21120668352

Names of 21120668352

• Cardinal: 21120668352 can be written as Twenty-one billion, one hundred twenty million, six hundred sixty-eight thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1120668352 × 10¹⁰

Factors of 21120668352

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 169

Divisors of 21120668352

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 32 34 36 42 48 49 51 54 56 63 64 67 68 72 73 81 84 96 98 102 108 112 119 126 134 136 144 146 147 153 162 168 189 192 196 201 204 216 219 224 238 252 268 272 288 292 294 306 324 336 357 378 392 402 408 432 438 441 448 459 469 476 504 511 536 544 567 576 584 588 603 612 648 657 672 714 756 784 804 816 833 864 876 882 918 938 952 1008 1022 1071 1072 1088 1134 1139 1168 1176 1206 1224 1241 1296 1314 1323 1344 1377 1407 1428 1512 1533 1568 1608 1632 1666 1728 1752 1764 1809 1836 1876 1904 1971 2016 2044 2142 2144 2268 2278 2336 2352 2412 2448 2482 2499 2592 2628 2646 2754 2814 2856 3024 3066 3136 3213 3216 3264 3283 3332 3417 3504 3528 3577 3618 3672 3723 3752 3808 3942 3969 4032 4088 4221 4284 4288 4536 4556 4599 4672 4704 4824 4891 4896 4964 4998 5184 5256 5292 5427 5508 5628 5712 5913 6048 6132 6426 6432 6566 6664 6834 7008 7056 7154 7236 7344 7446 7497 7504 7616 7884 7938 7973 8176 8442 8568 8687 9072 9112 9198 9408 9639 9648 9782 9792 9849 9928 9996 10251 10512 10584 10731 10854 11016 11169 11256 11424 11826 12096 12264 12663 12852 12864 13132 13328 13668 13797 14016 14112 14308 14472 14673 14688 14892 14994 15008 15768 15876 15946 16352 16884 17136 17374 18144 18224 18396 19278 19296 19564 19698 19856 19992 20502 21024 21168 21462 21708 22032 22338 22491 22512 22848 23652 23919 24528 25326 25704 26061 26264 26656 27336 27594 28224 28616 28944 29346 29376 29547 29784 29988 30016 30753 31536 31752 31892 32193 32704 33507 33768 34237 34272 34748 36288 36448 36792 37989 38556 38592 39128 39396 39712 39984 41004 41391 42048 42336 42924 43416 44019 44064 44676 44982 45024 47304 47838 49056 50652 51408 52122 52528 53312 54672 55188 55811 57232 57888 58692 59094 59568 59976 60809 61506 63072 63504 63784 64386 67014 67473 67536 68474 68544 69496 71757 72896 73584 75978 77112 78183 78256 78792 79424 79968 82008 82782 83147 84672 85848 86832 88038 88128 88641 89352 89964 90048 92259 94608 95676 96579 98112 100521 101304 102711 102816 104244 105056 109344 110376 111622 114464 115776 117384 118188 119136 119952 121618 123012 126144 127008 127568 128772 132057 134028 134946 135072 136948 138992 143514 147168 151956 154224 156366 156512 157584 159936 164016 165564 166294 167433 171696 173664 176076 177282 178704 179928 182427 184518 189216 191352 193158 201042 202608 205422 205632 208488 210112 215271 218688 220752 223244 228928 234549 234768 236376 238272 239659 239904 243236 246024 249441 254016 255136 257544 264114 265923 268056 269892 270144 273896 277984 287028 289737 294336 303912 308133 308448 312732 313024 315168 328032 331128 332588 334866 343392 347328 352152 354564 357408 359856 364854 369036 378432 382704 386316 396171 402084 405216 410844 416976 430542 441504 446488 469098 469536 472752 479318 479808 486472 492048 498882 502299 510272 515088 528228 531846 536112 539784 547281 547792 555968 574056 579474 582029 607824 616266 616896 625464 630336 645813 656064 662256 665176 669732 686784 703647 704304 709128 714816 718977 719712 729708 738072 748323 765408 772632 792342 804168 810432 821688 833952 861084 883008 892976 924399 938196 939072 945504 958636 972944 984096 997764 1004598 1030176 1056456 1063692 1072224 1079568 1094562 1095584 1148112 1158948 1164058 1215648 1232532 1250928 1291626 1324512 1330352 1339464 1407294 1408608 1418256 1437954 1439424 1459416 1476144 1496646 1506897 1530816 1545264 1584684 1608336 1641843 1643376 1667904 1722168 1746087 1785952 1848798 1876392 1891008 1917272 1945888 1968192 1995528 2009196 2060352 2112912 2127384 2144448 2156931 2159136 2189124 2191168 2244969 2296224 2317896 2328116 2431296 2465064 2501856 2583252 2649024 2660704 2678928 2773197 2814588 2817216 2836512 2875908 2918832 2952288 2993292 3013794 3090528 3169368 3216672 3283686 3286752 3444336 3492174 3571904 3697596 3752784 3834544 3891776 3991056 4018392 4074203 4225824 4254768 4313862 4318272 4378248 4489938 4520691 4592448 4635792 4656232 4925529 4930128 5003712 5166504 5238261 5321408 5357856 5546394 5629176 5673024 5751816 5837664 5904576 5986584 6027588 6181056 6338736 6433344 6470793 6567372 6573504 6734907 6888672 6984348 7395192 7505568 7669088 7982112 8036784 8148406 8451648 8509536 8627724 8756496 8979876 9041382 9271584 9312464 9851058 9860256 10333008 10476522 10715712 11092788 11258352 11503632 11675328 11973168 12055176 12222609 12677472 12941586 13134744 13469814 13777344 13968696 14790384 15011136 15338176 15714783 15964224 16073568 16296812 17019072 17255448 17512992 17959752 18082764 18543168 18624928 19412379 19702116 19720512 20666016 20953044 22185576 22516704 23007264 23946336 24110352 24445218 25354944 25883172 26269488 26939628 27937392 29580768 31429566 32147136 32593624 34510896 35025984 35919504 36165528 36667827 37249856 38824758 39404232 41332032 41906088 44371152 45033408 46014528 47144349 47892672 48220704 48890436 51766344 52538976 53879256 55874784 59161536 62859132 65187248 69021792 71839008 72331056 73335654 77649516 78808464 83812176 88742304 94288698 96441408 97780872 103532688 105077952 107758512 110003481 111749568 125718264 130374496 138043584 143678016 144662112 146671308 155299032 157616928 167624352 177484608 188577396 195561744 207065376 215517024 220006962 251436528 260748992 289324224 293342616 310598064 315233856 330010443 335248704 377154792 391123488 414130752 431034048 440013924 502873056 586685232 621196128 660020886 754309584 782246976 880027848 1005746112 1173370464 1242392256 1320041772 1508619168 1760055696 2346740928 2640083544 3017238336 3520111392 5280167088 7040222784 10560334176 21120668352
• Sum of all divisors σ(n): 79337239344
• Sum of proper divisors (its aliquot sum) s(n): 58216570992
• 21120668352 is an abundant number, because the sum of its proper divisors (58216570992) is greater than itself. Its abundance is 37095902640

Bases of 21120668352

• Binary: 10011101010111000111101001011000000₂
• Hexadecimal: 0x4EAE3D2C0
• Base-36: 9PAP800

Squares and roots of 21120668352

• 21120668352 squared (21120668352²) is 446082631635174395904
• 21120668352 cubed (21120668352³) is 9421563320353901873570331230208
• The square root of 21120668352 is 145329.5164514077
• The cube root of 21120668352 is 2764.1984494949

Scales and comparisons

• 21,120,668,352 seconds is equal to 671 years, 29 weeks, 5 days, 4 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,120,668,352 would take you about one thousand, three hundred forty-three 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 21120668352 cubic inches would be around 230.3 feet tall.

Recreational maths with 21120668352

• 21120668352 backwards is 25386602112
• 21120668352 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21120668352's digits is 36
• More coming soon!