21474161280

Names of 21474161280

• Cardinal: 21474161280 can be written as Twenty-one billion, four hundred seventy-four million, one hundred sixty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.147416128 × 10¹⁰

Factors of 21474161280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 94

Divisors of 21474161280

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 29 30 31 32 33 36 39 40 44 45 48 52 55 58 60 62 64 65 66 72 78 80 87 88 90 93 96 99 104 110 116 117 120 124 128 130 132 143 144 145 155 156 160 165 174 176 180 186 192 195 198 208 220 232 234 240 248 260 261 264 279 286 288 290 310 312 319 320 330 341 348 352 360 372 377 384 390 396 403 416 429 435 440 464 465 468 480 495 496 520 522 528 558 572 576 580 585 620 624 638 640 660 682 696 704 715 720 744 754 780 792 806 832 841 858 870 880 899 928 930 936 957 960 990 992 1023 1040 1044 1056 1116 1131 1144 1152 1160 1170 1209 1240 1248 1276 1287 1305 1320 1364 1392 1395 1408 1430 1440 1488 1508 1560 1584 1595 1612 1664 1682 1705 1716 1740 1760 1798 1856 1860 1872 1885 1914 1920 1980 1984 2015 2046 2080 2088 2112 2145 2232 2262 2288 2320 2340 2418 2480 2496 2523 2552 2574 2610 2640 2697 2728 2784 2790 2860 2871 2880 2976 3016 3069 3120 3168 3190 3224 3364 3393 3410 3432 3480 3520 3596 3627 3712 3720 3744 3770 3828 3960 3968 4030 4092 4147 4160 4176 4205 4224 4290 4433 4464 4495 4524 4576 4640 4680 4785 4836 4960 4992 5046 5104 5115 5148 5220 5280 5394 5456 5568 5580 5655 5720 5742 5760 5952 6032 6045 6138 6240 6336 6380 6435 6448 6728 6786 6820 6864 6960 7040 7192 7254 7440 7488 7540 7569 7656 7920 8060 8091 8184 8294 8320 8352 8410 8580 8866 8928 8990 9048 9152 9251 9280 9360 9570 9672 9889 9920 10092 10208 10230 10296 10440 10560 10788 10912 10933 11136 11160 11310 11440 11484 11687 11904 12064 12090 12276 12441 12480 12615 12672 12760 12870 12896 13299 13456 13485 13572 13640 13728 13920 14355 14384 14508 14880 14976 15080 15138 15312 15345 15840 16120 16182 16368 16588 16704 16820 16965 17160 17732 17856 17980 18096 18135 18304 18502 18560 18720 19140 19344 19778 19840 20184 20416 20460 20592 20735 20880 21120 21576 21824 21866 22165 22320 22620 22880 22968 23374 24128 24180 24552 24882 24960 25230 25520 25740 25792 26071 26598 26912 26970 27144 27280 27456 27753 27840 28710 28768 29016 29667 29760 30160 30276 30624 30690 31680 32240 32364 32736 32799 33176 33408 33640 33930 34320 35061 35464 35712 35960 36192 36270 37004 37323 37440 37845 38280 38688 39556 39897 40368 40455 40832 40920 41184 41470 41760 43152 43648 43732 44330 44640 45240 45760 45936 46255 46748 48256 48360 49104 49445 49764 50460 51040 51480 51584 52142 53196 53824 53940 54288 54560 54665 54912 55506 55680 57420 57536 58032 58435 59334 59520 60320 60552 61248 61380 62205 63360 64480 64728 65472 65598 66352 66495 67280 67860 68640 70122 70928 71920 72384 72540 74008 74646 74880 75690 76560 77376 78213 79112 79794 80736 80910 81840 82368 82940 83259 83520 86304 87464 88660 89001 89280 90480 91520 91872 92510 93496 96720 98208 98397 98890 99528 100920 102080 102960 104284 105183 106392 107648 107880 108576 109120 109330 111012 114840 115072 116064 116870 118668 120263 120640 121104 122496 122760 124410 128557 128960 129456 130355 130944 131196 132704 132990 134560 135720 137280 138765 140244 141856 143840 144768 145080 148016 148335 149292 151380 153120 154752 156426 158224 159588 161472 161820 163680 163995 164736 165880 166518 167040 172608 174928 175305 177320 178002 178560 180960 183744 185020 186615 186992 193440 196416 196794 197780 199056 199485 201840 204160 205920 208568 210366 212784 215760 217152 218240 218660 222024 229680 232128 233740 234639 237336 240526 241280 242208 245520 248820 257114 257920 258912 260710 262392 265408 265980 269120 271440 274560 277530 280488 283712 286781 287680 290160 296032 296670 298584 302760 306240 312852 316448 319176 322944 323640 327360 327990 331760 333036 338923 345216 349856 350610 354640 356004 360789 361920 367488 370040 373230 373984 385671 386880 391065 392832 393588 395560 398112 398970 403680 411840 416295 417136 420732 425568 431520 434304 437320 444048 445005 459360 464256 467480 469278 474672 481052 484416 491040 491985 497640 514228 517824 521420 524784 525915 530816 531960 538240 542880 555060 560976 567424 573562 575360 580320 592064 593340 597168 601315 605520 612480 625704 632896 638352 642785 647280 654720 655980 663520 666072 677846 699712 701220 709280 712008 721578 723840 740080 746460 747968 771342 773760 782130 787176 791120 796224 797940 807360 823680 832590 834272 841464 851136 860343 863040 874640 888096 890010 918720 934960 938556 949344 962104 968832 982080 983970 995280 1016769 1028456 1035648 1042840 1049568 1051830 1063920 1082367 1085760 1110120 1121952 1147124 1157013 1160640 1173195 1184128 1186680 1194336 1202630 1211040 1251408 1265792 1276704 1285570 1294560 1311960 1327040 1332144 1355692 1399424 1402440 1418560 1424016 1433905 1443156 1480160 1492920 1495936 1542684 1564260 1574352 1582240 1592448 1595880 1614720 1665180 1668544 1682928 1694615 1702272 1720686 1726080 1749280 1776192 1780020 1803945 1837440 1869920 1877112 1898688 1924208 1928355 1964160 1967940 1990560 2033538 2056912 2085680 2099136 2103660 2127840 2164734 2171520 2220240 2243904 2294248 2314026 2321280 2346390 2373360 2388672 2405260 2422080 2502816 2553408 2571140 2581029 2589120 2623920 2654080 2664288 2711384 2804880 2837120 2848032 2867810 2886312 2960320 2985840 3050307 3085368 3128520 3148704 3164480 3191760 3330360 3337088 3365856 3389230 3441372 3498560 3552384 3560040 3607890 3728153 3739840 3754224 3797376 3848416 3856710 3935880 3981120 4067076 4113824 4171360 4198272 4207320 4255680 4301715 4329468 4440480 4487808 4588496 4628052 4692780 4746720 4777344 4810520 4844160 5005632 5083845 5106816 5142280 5162058 5178240 5247840 5328576 5411835 5422768 5609760 5696064 5735620 5772624 5785065 5920640 5971680 6100614 6170736 6257040 6297408 6328960 6383520 6660720 6731712 6778460 6882744 6997120 7120080 7215780 7456306 7479680 7508448 7696832 7713420 7871760 7962240 8134152 8227648 8342720 8414640 8511360 8603430 8658936 8880960 9176992 9256104 9385560 9493440 9621040 10011264 10167690 10284560 10324116 10495680 10657152 10823670 10845536 11184459 11219520 11392128 11471240 11545248 11570130 11943360 12201228 12341472 12514080 12594816 12767040 12905145 13321440 13463424 13556920 13765488 14240160 14431560 14912612 15016896 15251535 15393664 15426840 15743520 16268304 16455296 16685440 16829280 17206860 17317872 17761920 18353984 18512208 18640765 18771120 18986880 19242080 20335380 20569120 20648232 20991360 21647340 21691072 22368918 22439040 22942480 23090496 23140260 23886720 24402456 24682944 25028160 25534080 25810290 26642880 27113840 27530976 28480320 28863120 29825224 30033792 30503070 30853680 31487040 32536608 33553377 33658560 34413720 34635744 36707968 37024416 37281530 37542240 38484160 40670760 41138240 41296464 43294680 43382144 44737836 45884960 46180992 46280520 48804912 49365888 50056320 51620580 53285760 54227680 55061952 55922295 56960640 57726240 59650448 61006140 61707360 62974080 65073216 67106754 67317120 68827440 69271488 74048832 74563060 75084480 76968320 81341520 82276480 82592928 86589360 89475672 91769920 92561040 97609824 103241160 108455360 110123904 111844590 115452480 119300896 122012280 123414720 130146432 134213508 137654880 138542976 148097664 149126120 150168960 162683040 165185856 167766885 173178720 178951344 183539840 185122080 195219648 206482320 216910720 223689180 230904960 238601792 244024560 246829440 268427016 275309760 298252240 325366080 330371712 335533770 346357440 357902688 370244160 390439296 412964640 447378360 477203584 488049120 536854032 550619520 596504480 650732160 671067540 692714880 715805376 740488320 825929280 894756720 976098240 1073708064 1193008960 1342135080 1431610752 1651858560 1789513440 1952196480 2147416128 2386017920 2684270160 3579026880 4294832256 5368540320 7158053760 10737080640 21474161280
• Sum of all divisors σ(n): 93134845440
• Sum of proper divisors (its aliquot sum) s(n): 71660684160
• 21474161280 is an abundant number, because the sum of its proper divisors (71660684160) is greater than itself. Its abundance is 50186522880

Bases of 21474161280

• Binary: 10011111111111101011011001010000000₂
• Hexadecimal: 0x4FFF5B280
• Base-36: 9V55SW0

Squares and roots of 21474161280

• 21474161280 squared (21474161280²) is 461139602679451238400
• 21474161280 cubed (21474161280³) is 9902586200533656035297329152000
• The square root of 21474161280 is 146540.6471938759
• The cube root of 21474161280 is 2779.5345079175

Scales and comparisons

• 21,474,161,280 seconds is equal to 682 years, 42 weeks, 1 day, 12 hours, 48 minutes.
• To count from 1 to 21,474,161,280 would take you about one thousand, three hundred sixty-five 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 21474161280 cubic inches would be around 231.6 feet tall.

Recreational maths with 21474161280

• 21474161280 backwards is 08216147412
• 21474161280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21474161280's digits is 36
• More coming soon!