21057433488

Names of 21057433488

• Cardinal: 21057433488 can be written as Twenty-one billion, fifty-seven million, four hundred thirty-three thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1057433488 × 10¹⁰

Factors of 21057433488

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 560

Divisors of 21057433488

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 31 36 37 39 42 48 52 54 56 62 63 72 74 78 84 91 93 104 108 111 112 117 124 126 144 148 156 168 182 186 189 208 216 217 222 234 248 252 259 273 279 296 312 333 336 351 364 372 378 403 432 434 444 467 468 481 496 504 518 546 558 592 624 651 666 702 728 744 756 777 806 819 837 868 888 934 936 962 999 1008 1036 1092 1116 1147 1209 1302 1332 1401 1404 1443 1456 1488 1512 1554 1612 1638 1674 1736 1776 1868 1872 1924 1953 1998 2072 2184 2232 2294 2331 2418 2457 2604 2664 2802 2808 2821 2886 3024 3108 3224 3269 3276 3348 3367 3441 3472 3627 3736 3848 3906 3996 4144 4203 4329 4368 4464 4588 4662 4836 4914 5208 5328 5604 5616 5642 5772 5859 6071 6216 6448 6538 6552 6696 6734 6882 6993 7254 7472 7696 7812 7992 8029 8406 8463 8658 9176 9324 9672 9807 9828 10101 10323 10416 10881 11208 11284 11544 11718 12142 12432 12609 12987 13076 13104 13392 13468 13764 13986 14477 14508 14911 15624 15984 16058 16812 16926 17279 17316 18213 18352 18648 19344 19614 19656 20202 20646 21762 22416 22568 23088 23436 24087 24284 25218 25389 25974 26152 26936 27528 27972 28954 29016 29421 29822 30303 30969 31248 32116 33624 33852 34558 34632 36426 37296 39228 39312 40404 41292 42497 43431 43524 44733 45136 46872 48174 48568 50436 50778 51837 51948 52304 53872 54639 55056 55944 57908 58032 58842 59644 60606 61938 64232 67248 67704 69116 69264 72261 72852 76167 78456 80808 82584 84994 86862 87048 88263 89466 90909 93744 96348 97136 100872 101339 101556 103674 103896 104377 109278 111888 115816 117684 119288 120953 121212 123876 127491 128464 130293 134199 135408 138232 144522 145704 152334 155511 156912 161616 163917 165168 169988 173724 174096 176526 178932 181818 188201 192696 201744 202678 203112 207348 207792 208754 216783 218556 224627 231632 235368 238576 241906 242424 247752 254982 260586 268398 276464 289044 291408 304017 304668 311022 313131 327834 339976 347448 353052 357864 362859 363636 376402 382473 385392 390879 402597 405356 406224 414696 417508 433566 437112 449254 466533 470736 483812 484848 495504 509964 521172 535649 536796 564603 578088 608034 609336 622044 626262 655668 673881 679952 694896 706104 715728 725718 727272 752804 764946 781758 805194 810712 829392 835016 867132 874224 898508 912051 933066 939393 967624 1019928 1042344 1071298 1073592 1088577 1129206 1147419 1156176 1216068 1218672 1244088 1252524 1311336 1317407 1347762 1412208 1451436 1454544 1505608 1529892 1563516 1572389 1606947 1610388 1621424 1670032 1693809 1734264 1797016 1824102 1866132 1878786 1935248 2021643 2039856 2084688 2142596 2147184 2177154 2258412 2294838 2432136 2488176 2505048 2622672 2634814 2695524 2736153 2818179 2902872 3011216 3059784 3127032 3144778 3213894 3220776 3265731 3387618 3468528 3594032 3648204 3732264 3749543 3757572 3952221 4043286 4285192 4354308 4516824 4589676 4717167 4820841 4864272 5010096 5081427 5269628 5391048 5472306 5636358 5805744 6064929 6119568 6254064 6289556 6427788 6441552 6531462 6775236 6963437 7296408 7464528 7499086 7515144 7904442 8086572 8570384 8708616 9033648 9179352 9434334 9641682 10162854 10539256 10782096 10944612 11248629 11272716 11856663 12129858 12579112 12855576 13062924 13550472 13926874 14151501 14462523 14592816 14998172 15030288 15808884 16173144 17417232 18358704 18868668 19283364 20325708 20890311 21078512 21889224 22497258 22545432 23713326 24259716 25158224 25711152 26125848 27100944 27853748 28303002 28925046 29996344 31617768 32346288 33745887 35569989 37737336 38566728 40651416 41780622 42454503 43778448 44994516 45090864 47426652 48519432 48744059 52251696 55707496 56606004 57850092 59992688 62670933 63235536 67491774 71139978 75474672 77133456 81302832 83561244 84909006 89989032 94853304 97038864 97488118 101237661 111414992 113212008 115700184 125341866 134983548 142279956 146232177 167122488 169818012 179978064 188012799 189706608 194976236 202475322 226424016 231400368 250683732 269967096 284559912 292464354 334244976 339636024 376025598 389952472 404950644 438696531 501367464 539934192 569119824 584928708 679272048 752051196 779904944 809901288 877393062 1002734928 1169857416 1316089593 1504102392 1619802576 1754786124 2339714832 2632179186 3008204784 3509572248 5264358372 7019144496 10528716744 21057433488
• Sum of all divisors σ(n): 79034941440
• Sum of proper divisors (its aliquot sum) s(n): 57977507952
• 21057433488 is an abundant number, because the sum of its proper divisors (57977507952) is greater than itself. Its abundance is 36920074464

Bases of 21057433488

• Binary: 10011100111000111101110111110010000₂
• Hexadecimal: 0x4E71EEF90
• Base-36: 9O91VO0

Squares and roots of 21057433488

• 21057433488 squared (21057433488²) is 443415505101543846144
• 21057433488 cubed (21057433488³) is 9337192506223684226292985270272
• The square root of 21057433488 is 145111.7965156521
• The cube root of 21057433488 is 2761.4370399311

Scales and comparisons

• 21,057,433,488 seconds is equal to 669 years, 29 weeks, 1 day, 7 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,057,433,488 would take you about one thousand, three hundred thirty-nine 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 21057433488 cubic inches would be around 230.1 feet tall.

Recreational maths with 21057433488

• 21057433488 backwards is 88433475012
• The number of decimal digits it has is: 11
• The sum of 21057433488's digits is 45
• More coming soon!