21977978022

Names of 21977978022

• Cardinal: 21977978022 can be written as Twenty-one billion, nine hundred seventy-seven million, nine hundred seventy-eight thousand and twenty-two.

Scientific notation

• Scientific notation: 2.1977978022 × 10¹⁰

Factors of 21977978022

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 73

Divisors of 21977978022

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 27 33 37 39 42 54 63 66 74 77 78 81 91 99 111 117 121 126 143 154 162 182 189 198 222 231 234 242 243 259 273 286 297 333 351 363 378 407 429 462 481 486 518 546 567 594 666 693 702 726 729 777 814 819 847 858 891 962 999 1001 1053 1089 1134 1221 1287 1369 1386 1443 1458 1554 1573 1638 1694 1701 1782 1998 2002 2079 2106 2178 2331 2442 2457 2541 2574 2673 2738 2849 2886 2997 3003 3146 3159 3267 3367 3402 3663 3861 4107 4158 4329 4477 4662 4719 4914 5082 5103 5291 5346 5698 5994 6006 6237 6318 6534 6734 6993 7326 7371 7623 7722 8019 8214 8547 8658 8954 8991 9009 9438 9477 9583 9801 10101 10206 10582 10989 11011 11583 12321 12474 12987 13431 13986 14157 14742 15059 15246 15873 16038 17094 17797 17982 18018 18711 18954 19166 19602 20202 20979 21978 22022 22113 22869 23166 24642 25641 25974 26862 26973 27027 28314 28749 29403 30118 30303 31339 31746 32967 33033 34749 35594 36963 37037 37422 38961 40293 41958 42471 44226 45177 45738 47619 51282 53391 53946 54054 56133 57498 58201 58806 60606 62678 62937 65934 66066 66339 68607 69498 73926 74074 76923 77922 80586 81081 84942 86247 88209 90354 90909 94017 95238 98901 99099 104247 105413 106782 110889 111111 112266 116402 116883 120879 124579 125874 127413 132678 135531 137214 142857 153846 160173 162162 165649 172494 174603 176418 181818 188034 188811 195767 197802 198198 205821 208494 210826 221778 222222 230769 233766 241758 243243 249158 254826 258741 271062 272727 282051 285714 296703 297297 316239 320346 331298 332667 333333 349206 350649 362637 373737 377622 382239 391534 406593 407407 411642 428571 461538 480519 486486 496947 517482 523809 545454 564102 587301 593406 594594 617463 632478 665334 666666 692307 701298 725274 729729 747474 764478 776223 813186 814814 818181 846153 857142 891891 948717 961038 993894 998001 999999 1047618 1087911 1121211 1146717 1159543 1174602 1219779 1222221 1234926 1285713 1370369 1384614 1441557 1459458 1490841 1552446 1571427 1636362 1692306 1761903 1783782 1897434 1996002 1999998 2076921 2153437 2175822 2242422 2293434 2319086 2328669 2439558 2444442 2454543 2538459 2571426 2675673 2740738 2846151 2883114 2981682 2999997 3142854 3263733 3363633 3478629 3523806 3659337 3666663 3857139 4111107 4153842 4306874 4324671 4472523 4657338 4714281 4909086 5076918 5285709 5351346 5692302 5999994 6460311 6527466 6727266 6957258 6986007 7318674 7333326 7615377 7714278 8027019 8222214 8538453 8649342 8945046 8999991 9428562 10090899 10435887 10571418 10978011 10999989 12333321 12920622 12974013 13417569 13972014 14142843 15074059 15230754 15857127 16054038 17076906 17999982 19380933 20181798 20871774 21956022 21999978 22846131 24666642 25615359 25948026 26835138 26999973 28285686 30148118 30272697 31307661 31714254 32999967 36999963 38761866 40252707 42428529 45222177 45692262 47571381 51230718 53999946 58142799 60545394 62615322 65999934 73999926 76846077 80505414 84857058 90444354 90818091 93922983 95142762 98999901 110999889 116285598 120758121 135666531 142714143 153692154 174428397 181636182 187845966 197999802 221999778 241516242 271333062 281768949 285428286 296999703 332999667 348856794 406999593 523285191 563537898 593999406 665999334 813999186 845306847 998999001 1046570382 1220998779 1569855573 1690613694 1997998002 2441997558 3139711146 3662996337 7325992674 10988989011 21977978022
• Sum of all divisors σ(n): 68723485488
• Sum of proper divisors (its aliquot sum) s(n): 46745507466
• 21977978022 is an abundant number, because the sum of its proper divisors (46745507466) is greater than itself. Its abundance is 24767529444

Bases of 21977978022

• Binary: 10100011101111111010101010010100110₂
• Hexadecimal: 0x51DFD54A6
• Base-36: A3H4CDI

Squares and roots of 21977978022

• 21977978022 squared (21977978022²) is 483031517935515032484
• 21977978022 cubed (21977978022³) is 10616056085120048197183968066648
• The square root of 21977978022 is 148249.7150823569
• The cube root of 21977978022 is 2801.1040723321

Scales and comparisons

• 21,977,978,022 seconds is equal to 698 years, 43 weeks, 1 day, 17 hours, 53 minutes, 42 seconds.
• To count from 1 to 21,977,978,022 would take you about one thousand, three hundred ninety-seven 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 21977978022 cubic inches would be around 233.4 feet tall.

Recreational maths with 21977978022

• 21977978022 backwards is 22087977912
• 21977978022 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21977978022's digits is 54
• More coming soon!