21106947924

Names of 21106947924

• Cardinal: 21106947924 can be written as Twenty-one billion, one hundred six million, nine hundred forty-seven thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 2.1106947924 × 10¹⁰

Factors of 21106947924

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 180

Divisors of 21106947924

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 23 27 34 36 37 38 46 51 54 57 68 69 74 76 79 81 92 102 108 111 114 138 148 153 158 162 171 204 207 222 228 237 243 276 306 316 323 324 333 342 391 414 437 444 459 474 486 513 612 621 629 646 666 684 703 711 782 828 851 874 918 948 969 972 999 1026 1173 1242 1258 1292 1311 1332 1343 1377 1406 1422 1501 1539 1564 1702 1748 1817 1836 1863 1887 1938 1998 2052 2109 2133 2346 2484 2516 2553 2622 2686 2754 2812 2844 2907 2923 2997 3002 3078 3404 3519 3634 3726 3774 3876 3933 3996 4029 4131 4218 4266 4503 4617 4692 5106 5244 5372 5451 5508 5589 5661 5814 5846 5994 6004 6156 6327 6399 7038 7268 7429 7452 7548 7659 7866 8058 8262 8436 8532 8721 8769 8991 9006 9234 10212 10557 10902 11178 11322 11628 11692 11799 11951 11988 12087 12654 12798 13509 14076 14467 14858 15318 15732 16116 16169 16353 16524 16983 17442 17538 17982 18012 18468 18981 19197 21114 21804 22287 22356 22644 22977 23598 23902 24174 25308 25517 25596 26163 26307 27018 28934 29716 30636 30889 31671 32338 32706 33966 34523 34884 35076 35397 35853 35964 36261 37962 38394 40527 42228 43401 44574 45954 47196 47804 48348 48507 49059 49691 50949 51034 52326 52614 54036 55537 56943 57868 61778 63342 64676 65412 66861 67229 67932 68931 69046 70794 71706 72522 75924 76551 76788 78489 78921 81054 86802 89148 91908 92667 95013 97014 98118 99382 101898 102068 103569 104652 105228 106191 107559 108783 111074 113886 121581 123556 126684 130203 133722 134458 137862 138092 141588 143412 145044 145521 147177 149073 152847 153102 156978 157842 162108 166611 170829 173604 185334 190026 194028 196236 198764 200583 201687 203796 206793 207138 212382 215118 217566 222148 227772 229653 236763 243162 260406 267444 268916 274873 275724 278001 291042 294354 298146 305694 306204 310707 313956 315684 322677 326349 333222 341658 364743 370668 380052 390609 401166 403374 413586 414276 424764 430236 435132 436563 441531 447219 459306 473526 486324 499833 520812 549746 556002 582084 586891 588708 596292 601749 605061 611388 621414 645354 652698 666444 683316 688959 710289 729486 781218 802332 806748 824619 827172 834003 873126 883062 894438 918612 932121 944129 947052 968031 999666 1099492 1112004 1142893 1171827 1173782 1203498 1210122 1242828 1277351 1290708 1305396 1309689 1341657 1377918 1420578 1458972 1499499 1562436 1649238 1668006 1746252 1760673 1766124 1788876 1805247 1815183 1864242 1888258 1936062 1999332 2066877 2285786 2343654 2347564 2406996 2420244 2473857 2502009 2554702 2619378 2683314 2755836 2796363 2832387 2841156 2904093 2998998 3298476 3336012 3428679 3515481 3521346 3610494 3630366 3728484 3776516 3832053 3872124 3929067 4024971 4133754 4498497 4571572 4687308 4947714 5004018 5109404 5238756 5282019 5366628 5445549 5592726 5664774 5808186 5997996 6200631 6857358 7030962 7042692 7220988 7260732 7421571 7506027 7664106 7858134 8049942 8267508 8389089 8497161 8996994 9895428 10008036 10286037 10564038 10891098 11185452 11329548 11496159 11616372 12074913 12401262 13495491 13714716 14061924 14843142 15012054 15328212 15716268 15846057 16099884 16336647 16778178 16994322 17993988 20572074 21128076 21714967 21782196 22264713 22992318 24149826 24802524 25491483 26990982 29686284 30024108 30858111 31692114 32673294 33556356 33988644 34488477 41144148 43429934 44529426 45984636 47538171 48299652 50982966 53981964 61716222 63384228 65144901 65346588 66794139 68976954 76474449 86859868 89058852 92574333 95076342 101965932 103465431 123432444 130289802 133588278 137953908 142614513 152948898 185148666 190152684 195434703 206930862 229423347 260579604 267176556 277722999 285229026 305897796 310396293 370297332 390869406 413861724 458846694 555445998 570458052 586304109 620792586 781738812 917693388 1110891996 1172608218 1241585172 1758912327 2345216436 3517824654 5276736981 7035649308 10553473962 21106947924
• Sum of all divisors σ(n): 66924748800
• Sum of proper divisors (its aliquot sum) s(n): 45817800876
• 21106947924 is an abundant number, because the sum of its proper divisors (45817800876) is greater than itself. Its abundance is 24710852952

Bases of 21106947924

• Binary: 10011101010000100100111011101010100₂
• Hexadecimal: 0x4EA127754
• Base-36: 9P2J590

Squares and roots of 21106947924

• 21106947924 squared (21106947924²) is 445503250666447909776
• 21106947924 cubed (21106947924³) is 9403213911789434325700682505024
• The square root of 21106947924 is 145282.3042355813
• The cube root of 21106947924 is 2763.5997594559

Scales and comparisons

• 21,106,947,924 seconds is equal to 671 years, 7 weeks, 9 hours, 5 minutes, 24 seconds.
• To count from 1 to 21,106,947,924 would take you about one thousand, three hundred forty-two 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 21106947924 cubic inches would be around 230.3 feet tall.

Recreational maths with 21106947924

• 21106947924 backwards is 42974960112
• The number of decimal digits it has is: 11
• The sum of 21106947924's digits is 45
• More coming soon!