21371690340

Names of 21371690340

• Cardinal: 21371690340 can be written as Twenty-one billion, three hundred seventy-one million, six hundred ninety thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.137169034 × 10¹⁰

Factors of 21371690340

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 345

Divisors of 21371690340

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 26 28 30 33 35 36 39 41 42 44 45 52 55 60 63 65 66 70 77 78 82 84 90 91 99 105 110 117 121 123 126 130 132 140 143 154 156 164 165 180 182 195 198 205 210 220 231 234 242 246 252 260 263 273 286 287 308 315 330 363 364 369 385 390 396 410 420 429 451 455 462 468 484 492 495 526 533 546 572 574 585 605 615 630 660 693 715 726 738 770 780 789 819 820 847 858 861 902 910 924 990 1001 1052 1066 1089 1092 1148 1155 1170 1210 1230 1260 1287 1315 1353 1365 1386 1430 1435 1452 1476 1540 1573 1578 1599 1638 1694 1716 1722 1804 1815 1820 1841 1845 1980 2002 2132 2145 2178 2255 2310 2340 2367 2420 2460 2541 2574 2583 2630 2665 2706 2730 2772 2860 2870 2893 3003 3146 3156 3157 3198 3276 3388 3419 3444 3465 3630 3682 3690 3731 3945 4004 4059 4095 4235 4290 4305 4356 4510 4620 4719 4734 4797 4961 5005 5082 5148 5166 5260 5330 5412 5445 5460 5523 5740 5786 5863 6006 6292 6314 6396 6435 6765 6838 6930 7260 7364 7380 7462 7623 7865 7890 7995 8118 8190 8470 8580 8610 8679 9009 9020 9205 9438 9468 9471 9594 9922 10010 10164 10257 10332 10660 10783 10890 11011 11046 11193 11572 11726 11835 12012 12628 12705 12870 12915 13530 13676 13860 14157 14465 14883 14924 15015 15246 15730 15780 15785 15990 16236 16380 16569 16940 17095 17220 17358 17589 18018 18410 18655 18876 18942 19188 19844 20020 20251 20295 20514 21566 21780 22022 22092 22386 23452 23595 23670 23933 23985 24805 25410 25740 25830 26037 27060 27615 28314 28413 28930 29315 29766 30030 30492 30771 31460 31570 31823 31980 32349 33033 33138 33579 34190 34716 34727 35178 36036 36820 37310 37609 37884 38115 40502 40590 41028 41041 43132 43395 44044 44649 44772 45045 47190 47340 47355 47866 47970 49610 50820 51285 51660 52074 52767 53915 55055 55230 55965 56628 56826 57860 58630 59532 60060 60753 61542 63140 63646 64493 64698 66066 66276 67158 68380 69454 70356 70785 71799 74415 74620 75218 75481 76230 81004 81180 82082 82845 86790 87945 89298 90090 94380 94710 95469 95732 95940 97047 99099 99220 101255 102570 104148 104181 105534 107830 110110 110460 111930 112827 113652 117260 118613 119665 121506 123084 123123 127292 128986 129396 130185 132132 134316 138908 140179 141570 142065 143598 148830 150436 150962 152460 153855 159115 161745 164164 165165 165690 167895 173580 173635 175890 178596 180180 182259 188045 189420 190938 193479 194094 198198 202510 205140 205205 208362 211068 215397 215660 220220 222761 223245 223860 225654 226443 237226 239330 243012 246246 257972 260370 263263 263835 280358 283140 284130 286407 287196 297660 301924 303765 307710 312543 318230 322465 323490 330330 331380 335790 338481 347270 351780 355839 358995 364518 369369 376090 377405 381876 386958 388188 396396 405020 410410 413699 416724 420537 430794 445522 446490 451308 451451 452886 474452 477345 478660 485235 492492 495495 520740 520905 526526 527670 560716 564135 568260 572814 580437 593065 607530 615420 615615 625086 636460 644930 646980 660660 668283 671580 676962 679329 694540 700895 711678 717990 729036 738738 752180 754810 773916 789789 820820 827398 830291 841074 861588 891044 892980 902902 905772 911295 954690 967395 970470 981253 990990 1041810 1053052 1055340 1067517 1076985 1113805 1128270 1132215 1145628 1160874 1186130 1215060 1231230 1241097 1250172 1261611 1289860 1304743 1316315 1336566 1353924 1354353 1358658 1401790 1423356 1432035 1435980 1477476 1509620 1541969 1562715 1579578 1654796 1660582 1682148 1692405 1779195 1805804 1822590 1846845 1909380 1934790 1940940 1962506 1981980 2004849 2068495 2083620 2102685 2135034 2153970 2227610 2256540 2257255 2264430 2321748 2369367 2372260 2462460 2482194 2490873 2523222 2609486 2632630 2673132 2708706 2717316 2803580 2864070 2895893 2902185 2943759 3083938 3125430 3159156 3321164 3341415 3384810 3396645 3558390 3645180 3693690 3723291 3869580 3914229 3925012 3948945 4009698 4063059 4136990 4151455 4205370 4270068 4307940 4455220 4514510 4528860 4625907 4738734 4906265 4964388 4981746 5046444 5218972 5265260 5337585 5417412 5728140 5791786 5804370 5887518 6167876 6205485 6250860 6308055 6523715 6682830 6769620 6771765 6793290 7116780 7387380 7446582 7472619 7709845 7828458 7897890 8019396 8126118 8273980 8302910 8410740 8687679 8831277 9029020 9133201 9251814 9477468 9812530 9963492 10024245 10675170 10793783 11583572 11608740 11742687 11775036 11846835 12410970 12454365 12616110 13047430 13365660 13543530 13586580 13877721 14479465 14718795 14893164 14945238 15419690 15656916 15795780 16252236 16605820 16961659 17375358 17662554 18266402 18503628 18616455 19571145 19625060 20048490 20315295 21350340 21587566 23129535 23485374 23693670 24821940 24908730 25232220 26063037 26094860 27087060 27399603 27755442 28958930 29437590 29890476 30839380 32381349 33923318 34750716 35325108 36532804 37232910 37363095 39142290 40096980 40630590 43175132 43438395 44156385 45666005 46259070 46970748 47387340 49817460 50884977 52126074 53968915 54799206 55510884 57917860 58713435 58875180 64762698 67846636 69388605 74465820 74726190 78284580 81261180 82198809 84808295 86876790 88312770 91332010 92518140 97144047 101769954 104252148 107937830 109598412 117426870 118731613 129525396 130315185 136998015 138777210 149452380 152654931 161906745 164397618 169616590 173753580 176625540 182664020 194288094 203539908 215875660 234853740 237463226 254424885 260630370 273996030 277554420 305309862 323813490 328795236 339233180 356194839 388576188 410994045 474926452 485720235 508849770 521260740 547992060 593658065 610619724 647626980 712389678 763274655 821988090 971440470 1017699540 1068584517 1187316130 1424779356 1526549310 1643976180 1780974195 1942880940 2137169034 2374632260 3053098620 3561948390 4274338068 5342922585 7123896780 10685845170 21371690340
• Sum of all divisors σ(n): 90181099008
• Sum of proper divisors (its aliquot sum) s(n): 68809408668
• 21371690340 is an abundant number, because the sum of its proper divisors (68809408668) is greater than itself. Its abundance is 47437718328

Bases of 21371690340

• Binary: 10011111001110110100001110101100100₂
• Hexadecimal: 0x4F9DA1D64
• Base-36: 9TG5HT0

Squares and roots of 21371690340

• 21371690340 squared (21371690340²) is 456749147988849315600
• 21371690340 cubed (21371690340³) is 9761501353876521345924131304000
• The square root of 21371690340 is 146190.5959355799
• The cube root of 21371690340 is 2775.1063061297

Scales and comparisons

• 21,371,690,340 seconds is equal to 679 years, 28 weeks, 5 days, 12 hours, 39 minutes.
• To count from 1 to 21,371,690,340 would take you about one thousand, three hundred fifty-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 21371690340 cubic inches would be around 231.3 feet tall.

Recreational maths with 21371690340

• 21371690340 backwards is 04309617312
• 21371690340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21371690340's digits is 36
• More coming soon!