81421467741510

Names of 81421467741510

• Cardinal: 81421467741510 can be written as Eighty-one trillion, four hundred twenty-one billion, four hundred sixty-seven million, seven hundred forty-one thousand, five hundred ten.

Scientific notation

• Scientific notation: 8.142146774151 × 10¹³

Factors of 81421467741510

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1794

Divisors of 81421467741510

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 37 39 41 65 74 78 82 111 123 130 169 185 195 205 222 246 338 370 390 410 481 507 533 555 615 845 962 1014 1066 1110 1230 1369 1443 1517 1599 1690 1693 2197 2405 2535 2665 2738 2886 3034 3198 3386 4107 4394 4551 4810 5070 5079 5330 6253 6591 6845 6929 7215 7585 7995 8214 8465 9102 10158 10985 12506 13182 13690 13858 14430 15170 15990 16930 17797 18759 19721 20535 20787 21970 22009 22755 25395 28561 31265 32955 34645 35594 37518 39442 41070 41574 44018 45510 50790 53391 56129 57122 59163 62530 62641 65910 66027 69290 69413 81289 85683 88985 90077 93795 98605 103935 106782 110045 112258 118326 125282 132054 138826 142805 162578 168387 171366 177970 180154 187590 187923 197210 207870 208239 220090 231361 243867 256373 266955 270231 280645 285610 286117 295815 313205 330135 336774 347065 375846 406445 416478 428415 450385 462722 487734 512746 533910 540462 561290 572234 591630 626410 660270 694083 694130 729677 769119 812890 814333 841935 856830 858351 900770 902369 939615 1041195 1056757 1156805 1171001 1219335 1281865 1351155 1388166 1430585 1459354 1538238 1628666 1683870 1716702 1804738 1879230 2082390 2113514 2189031 2313610 2317717 2342002 2438670 2442999 2563730 2568281 2702310 2707107 2861170 3007693 3170271 3332849 3470415 3513003 3648385 3719521 3845595 4071665 4291755 4378062 4511845 4635434 4885998 5136562 5283785 5414214 5855005 6015386 6340542 6665698 6940830 6953151 7026006 7296770 7439042 7691190 7704843 8143330 8583510 9023079 9023690 9485801 9998547 10567570 10586329 10945155 11158563 11588585 11710010 11730797 12214995 12841405 13535535 13906302 15038465 15409686 15851355 16664245 17565015 18046158 18597605 18971602 19997094 21172658 21890310 22317126 23177170 23461594 24429990 25682810 27071070 28457403 30076930 30130321 31702710 31758987 33328490 33387653 34765755 35130030 35192391 37195210 38524215 39100009 43327037 45115395 47429005 48353773 49992735 52931645 55792815 56914806 58653985 60260642 63517974 66775306 69531510 70384782 77048430 78200018 86654074 90230790 90390963 94858010 95026397 96707546 99985470 100162959 105863290 111585630 117300027 117307970 123315413 129981111 137622277 142287015 145061319 150651605 152500361 158794935 166938265 175961955 180781926 190052794 195500045 200325918 216635185 234600054 241768865 246630826 259962222 275244554 284574030 285079191 290122638 301303210 305000722 317589870 333876530 351923910 369946239 391000090 391694173 412866831 433270370 434039489 451954815 457501083 475131985 483537730 500814795 570158382 586500135 616577065 649905555 688111385 725306595 739892478 762501805 783388346 825733662 868078978 903909630 915002166 950263970 1001629590 1173000270 1175082519 1233154130 1235343161 1299811110 1302118467 1376222770 1425395955 1450613190 1525003610 1603100369 1789089601 1849731195 1958470865 1982504693 2064334155 2170197445 2287505415 2350165038 2470686322 2604236934 2850791910 3206200738 3578179202 3699462390 3706029483 3916941730 3965009386 4128668310 4340394890 4575010830 4809301107 5092024249 5367268803 5642513357 5875412595 5947514079 6176715805 6510592335 7412058966 8015501845 8945448005 9618602214 9912523465 10184048498 10734537606 11285026714 11750825190 11895028158 12353431610 13021184670 15276072747 16031003690 16059461093 16927540071 17890896010 18530147415 19825046930 24046505535 25460121245 26836344015 28212566785 29737570395 30552145494 32118922186 33855080142 37060294830 48093011070 48178383279 50920242490 53672688030 56425133570 59475140790 66196315237 73352673641 76380363735 80297305465 84637700355 96356766558 132392630474 146705347282 152760727470 160594610930 169275400710 198588945711 208772994209 220058020923 240891916395 330981576185 366763368205 397177891422 417545988418 440116041846 481783832790 626318982627 661963152370 733526736410 992944728555 1043864971045 1100290104615 1252637965254 1985889457110 2087729942090 2200580209230 2714048924717 3131594913135 5428097849434 6263189826270 8142146774151 13570244623585 16284293548302 27140489247170 40710733870755 81421467741510
• Sum of all divisors σ(n): 223009639709472
• Sum of proper divisors (its aliquot sum) s(n): 141588171967962
• 81421467741510 is an abundant number, because the sum of its proper divisors (141588171967962) is greater than itself. Its abundance is 60166704226452

Bases of 81421467741510

• Binary: 10010100000110101101001101010010110110101000110₂
• Hexadecimal: 0x4A0D69A96D46
• Base-36: SV0I7NIO6

Squares and roots of 81421467741510

• 81421467741510 squared (81421467741510²) is 6629455409181753540177080100
• 81421467741510 cubed (81421467741510³) is 539779989742471123336023369095213364951000
• The square root of 81421467741510 is 9023384.4948284233
• The cube root of 81421467741510 is 43342.4019746045

Scales and comparisons

• 81,421,467,741,510 seconds is equal to 2,588,950 years, 42 weeks, 4 days, 20 hours, 38 minutes, 30 seconds.
• To count from 1 to 81,421,467,741,510 would take you about six million, four hundred seventy-two thousand, three hundred seventy-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 81421467741510 cubic inches would be around 3611.9 feet tall.

Recreational maths with 81421467741510

• 81421467741510 backwards is 01514776412418
• The number of decimal digits it has is: 14
• The sum of 81421467741510's digits is 51
• More coming soon!