421868629728

Names of 421868629728

• Cardinal: 421868629728 can be written as Four hundred twenty-one billion, eight hundred sixty-eight million, six hundred twenty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.21868629728 × 10¹¹

Factors of 421868629728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 48

Divisors of 421868629728

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 23 24 26 27 28 32 36 39 42 46 48 49 52 54 56 63 69 72 78 81 84 91 92 96 98 104 108 112 117 126 138 144 147 156 161 162 168 182 184 189 196 207 208 216 224 234 243 252 273 276 288 294 299 312 322 324 336 343 351 364 368 378 392 414 416 432 441 468 483 486 504 529 546 552 567 588 598 621 624 637 644 648 672 686 702 728 736 756 784 819 828 864 882 897 936 966 972 1008 1029 1053 1058 1092 1104 1127 1134 1176 1196 1242 1248 1274 1288 1296 1323 1372 1404 1449 1456 1512 1568 1587 1638 1656 1701 1764 1794 1863 1872 1911 1932 1944 2016 2058 2093 2106 2116 2184 2208 2254 2268 2352 2392 2457 2484 2548 2576 2592 2646 2691 2744 2808 2898 2912 3024 3087 3159 3174 3276 3312 3381 3402 3528 3588 3703 3726 3744 3822 3864 3888 3969 4116 4186 4212 4232 4347 4368 4459 4508 4536 4704 4761 4784 4914 4968 5096 5152 5292 5382 5488 5589 5616 5733 5796 6048 6174 6279 6318 6348 6552 6624 6762 6804 6877 7056 7176 7371 7406 7452 7644 7728 7776 7889 7938 8073 8232 8372 8424 8464 8694 8736 8918 9016 9072 9261 9522 9568 9828 9936 10143 10192 10584 10764 10976 11109 11178 11232 11466 11592 11907 12167 12348 12558 12636 12696 13041 13104 13377 13524 13608 13754 14112 14283 14352 14651 14742 14812 14904 15288 15456 15778 15876 16146 16464 16744 16848 16928 17199 17388 17836 18032 18144 18522 18837 19044 19656 19872 20286 20384 20631 21168 21528 22113 22218 22356 22932 23184 23667 23814 24219 24334 24696 25116 25272 25392 25921 26082 26208 26754 27048 27216 27508 27783 28566 28704 29302 29484 29624 29808 30429 30576 31556 31752 32292 32928 33327 33488 33696 34398 34776 35672 36064 36501 37044 37674 38088 39123 39312 40131 40572 41262 42336 42849 43056 43953 44226 44436 44712 45864 46368 47334 47628 48139 48438 48668 49392 50232 50544 50784 51597 51842 52164 53508 54096 54432 55016 55566 56511 57132 58604 58968 59248 59616 60858 61152 61893 63112 63504 64584 66654 66976 68796 69552 71001 71344 72657 73002 74088 75348 76176 77763 78246 78624 80262 81144 82524 83349 85169 85698 86112 87906 88452 88872 89424 91287 91728 94668 95256 96278 96876 97336 98784 99981 100464 101088 102557 103194 103684 104328 107016 108192 109503 110032 111132 113022 114264 117208 117936 118496 120393 121716 123786 126224 127008 128547 129168 131859 133308 137592 139104 142002 142688 144417 145314 146004 148176 150696 152352 154791 155526 156492 158171 160524 162288 165048 166698 169533 170338 171396 175812 176904 177744 178848 181447 182574 183456 185679 189336 190512 192556 193752 194672 199962 200928 205114 206388 207368 208656 213003 214032 219006 220064 222264 226044 228528 233289 234416 235872 240786 243432 247572 252448 255507 257094 258336 263718 266616 273861 275184 284004 288834 290628 292008 296352 299943 301392 307671 309582 311052 312984 316342 321048 324576 328509 330096 333396 336973 339066 340676 342792 351624 353808 355488 361179 362894 365148 371358 378672 381024 385112 387504 389344 395577 399924 410228 412776 414736 417312 426006 428064 433251 438012 444528 452088 457056 466578 468832 474513 481572 486864 495144 508599 511014 514188 527436 533232 544341 547722 550368 557037 568008 577668 581256 584016 596183 599886 602784 615342 619164 622104 625968 632684 639009 642096 657018 660192 666792 673946 678132 681352 685584 699867 703248 707616 722358 725788 730296 742716 757344 766521 770224 775008 791154 799848 820456 825552 829472 852012 866502 876024 889056 899829 904176 923013 933156 949026 963144 973728 985527 990288 1010919 1017198 1022028 1028376 1054872 1066464 1083537 1088682 1095444 1107197 1114074 1136016 1155336 1162512 1168032 1186731 1192366 1199772 1230684 1238328 1244208 1251936 1265368 1278018 1284192 1299753 1314036 1333584 1347892 1356264 1362704 1371168 1399734 1406496 1423539 1444716 1451576 1460592 1485432 1533042 1540448 1582308 1599696 1633023 1640912 1651104 1671111 1704024 1733004 1752048 1788549 1799658 1808352 1846026 1866312 1898052 1917027 1926288 1971054 1980576 2021838 2034396 2044056 2056752 2099601 2109744 2167074 2177364 2190888 2214394 2228148 2272032 2299563 2310672 2325024 2358811 2373462 2384732 2399544 2461368 2476656 2488416 2530736 2556036 2599506 2628072 2667168 2695784 2712528 2725408 2769039 2799468 2847078 2889432 2903152 2921184 2956581 2970864 3032757 3066084 3164616 3199392 3266046 3281824 3321591 3342222 3408048 3466008 3504096 3560193 3577098 3599316 3692052 3732624 3796104 3834054 3852576 3899259 3942108 4043676 4068792 4088112 4113504 4173281 4199202 4219488 4270617 4334148 4354728 4381776 4428788 4456296 4599126 4621344 4717622 4746924 4769464 4799088 4899069 4922736 4953312 5061472 5112072 5199012 5256144 5365647 5391568 5425056 5538078 5598936 5694156 5778864 5806304 5913162 5941728 6065514 6132168 6298803 6329232 6532092 6643182 6684444 6816096 6898689 6932016 7076433 7120386 7154196 7198632 7384104 7465248 7592208 7668108 7750379 7798518 7884216 8087352 8137584 8176224 8307117 8346562 8398404 8541234 8668296 8709456 8763552 8857576 8912592 9098271 9198252 9435244 9493848 9538928 9598176 9798138 9845472 9964773 10224144 10398024 10512288 10731294 10783136 11076156 11197872 11388312 11557728 11697777 11826324 12131028 12264336 12519843 12597606 12658464 12811851 13064184 13286364 13368888 13797378 13864032 14152866 14240772 14308392 14397264 14697207 14768208 15184416 15336216 15500758 15597036 15768432 16096941 16174704 16275168 16614234 16693124 16796808 17082468 17336592 17418912 17715152 17825184 18196542 18396504 18870488 18987696 19077856 19596276 19929546 20448288 20696067 20796048 21229299 21462588 22152312 22395744 22776624 23251137 23395554 23652648 24262056 24528672 24921351 25039686 25195212 25623702 26128368 26572728 26737776 27294813 27594756 28305732 28481544 28616784 28794528 29394414 29536416 29894319 30672432 31001516 31194072 31536864 32193882 32349408 33228468 33386248 33593616 34164936 34673184 35430304 36393084 36793008 37559529 37740976 37975392 38435553 39192552 39859092 41392134 41592096 42458598 42925176 44091621 44304624 45553248 46502274 46791108 47305296 48290823 48524112 49842702 50079372 50390424 51247404 52256736 53145456 53475552 54252653 54589626 55189512 56611464 56963088 57233568 58788828 59788638 61344864 62003032 62388144 63687897 64387764 66456936 66772496 67187232 68329872 69753411 72786168 73586016 75119058 75481952 76871106 78385104 79718184 81884439 82784268 84917196 85850352 88183242 88609248 89682957 93004548 93582216 94610592 96581646 97048224 99685404 100158744 100780848 102494808 106290912 108505306 109179252 110379024 112678587 113222928 113926176 117577656 119577276 124006064 124776288 127375794 128775528 132913872 133544992 136659744 139506822 144872469 145572336 150238116 153742212 156770208 159436368 162757959 163768878 165568536 169834392 171700704 176366484 179365914 186009096 187164432 191063691 193163292 199370808 200317488 201561696 204989616 209260233 217010612 218358504 220758048 225357174 226445856 235155312 239154552 248012128 254751588 257551056 265827744 269048871 279013644 289744938 291144672 300476232 307484424 318872736 325515918 327537756 331137072 338035761 339668784 352732968 358731828 372018192 374328864 382127382 386326584 398741616 400634976 409979232 418520466 434021224 436717008 450714348 470310624 478309104 488273877 509503176 515102112 538097742 558027288 573191073 579489876 600952464 614968848 627780699 651031836 655075512 662274144 676071522 679337568 705465936 717463656 744036384 764254764 772653168 797483232 837040932 868042448 873434016 901428696 956618208 976547754 1014107283 1019006352 1076195484 1116054576 1146382146 1158979752 1201904928 1229937696 1255561398 1302063672 1310151024 1352143044 1410931872 1434927312 1464821631 1528509528 1545306336 1674081864 1736084896 1802857392 1883342097 1953095508 2028214566 2038012704 2152390968 2232109152 2292764292 2317959504 2511122796 2604127344 2620302048 2704286088 2869854624 2929643262 3057019056 3348163728 3605714784 3766684194 3906191016 4056429132 4304781936 4394464893 4585528584 4635919008 5022245592 5208254688 5408572176 5859286524 6114038112 6696327456 7533368388 7812382032 8112858264 8609563872 8788929786 9171057168 10044491184 10817144352 11718573048 13183394679 15066736776 15624764064 16225716528 17577859572 18342114336 20088982368 23437146096 26366789358 30133473552 32451433056 35155719144 46874292192 52733578716 60266947104 70311438288 105467157432 140622876576 210934314864 421868629728
• Sum of all divisors σ(n): 1633492224000
• Sum of proper divisors (its aliquot sum) s(n): 1211623594272
• 421868629728 is an abundant number, because the sum of its proper divisors (1211623594272) is greater than itself. Its abundance is 789754964544

Bases of 421868629728

• Binary: 110001000111001010101000110111011100000₂
• Hexadecimal: 0x6239546EE0
• Base-36: 5DSXOU00

Squares and roots of 421868629728

• 421868629728 squared (421868629728²) is 177973140748580365353984
• 421868629728 cubed (421868629728³) is 75081285015992078893170835745636352
• The square root of 421868629728 is 649514.1489821451
• The cube root of 421868629728 is 7499.9622500499

Scales and comparisons

• 421,868,629,728 seconds is equal to 13,414 years, 6 weeks, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 421,868,629,728 would take you about twenty-six thousand, eight hundred twenty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 421868629728 cubic inches would be around 625 feet tall.

Recreational maths with 421868629728

• 421868629728 backwards is 827926868124
• 421868629728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 421868629728's digits is 63
• More coming soon!