81429048992448

Names of 81429048992448

• Cardinal: 81429048992448 can be written as Eighty-one trillion, four hundred twenty-nine billion, forty-eight million, nine hundred ninety-two thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 8.1429048992448 × 10¹³

Factors of 81429048992448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5909

Divisors of 81429048992448

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 144 148 192 216 222 288 296 333 432 444 576 592 666 864 888 999 1184 1332 1369 1728 1776 1998 2368 2664 2738 3552 3996 4107 5328 5476 5867 7104 7992 8214 10656 10952 11734 12321 15984 16428 17601 21312 21904 23468 24642 31968 32856 35202 36963 43808 46936 49284 52803 63936 65712 70404 73926 87616 93872 98568 105606 131424 140808 147852 158409 187744 197136 211212 217079 262848 281616 295704 316818 375488 394272 422424 434158 563232 591408 633636 651237 788544 844848 868316 1126464 1182816 1267272 1302474 1689696 1736632 1953711 2365632 2534544 2604948 3379392 3473264 3907422 5069088 5209896 5861133 6946528 7814844 8031923 10138176 10419792 11722266 13893056 15629688 16063846 20839584 23444532 24095769 31259376 32127692 34421689 41679168 46889064 48191538 62518752 64255384 68843378 72287307 93778128 96383076 103265067 125037504 128510768 137686756 144574614 187556256 192766152 206530134 216861921 257021536 275373512 289149228 309795201 375112512 385532304 413060268 433723842 514043072 550747024 578298456 619590402 771064608 826120536 867447684 929385603 1101494048 1156596912 1239180804 1273602493 1542129216 1652241072 1734895368 1858771206 2202988096 2313193824 2478361608 2547204986 3304482144 3469790736 3717542412 3820807479 4626387648 4956723216 5094409972 6608964288 6939581472 7435084824 7641614958 9913446432 10188819944 11462422437 13879162944 14870169648 15283229916 19826892864 20377639888 22924844874 29740339296 30566459832 34387267311 40755279776 45849689748 47123292241 59480678592 61132919664 68774534622 81510559552 91699379496 94246584482 122265839328 137549069244 141369876723 183398758992 188493168964 244531678656 275098138488 282739753446 366797517984 376986337928 424109630169 550196276976 565479506892 733595035968 753972675856 848219260338 1100392553952 1130959013784 1272328890507 1507945351712 1696438520676 2200785107904 2261918027568 2544657781014 3015890703424 3392877041352 4523836055136 5089315562028 6785754082704 9047672110272 10178631124056 13571508165408 20357262248112 27143016330816 40714524496224 81429048992448
• Sum of all divisors σ(n): 246073029310920
• Sum of proper divisors (its aliquot sum) s(n): 164643980318472
• 81429048992448 is an abundant number, because the sum of its proper divisors (164643980318472) is greater than itself. Its abundance is 83214931326024

Bases of 81429048992448

• Binary: 10010100000111100101101100010100010001011000000₂
• Hexadecimal: 0x4A0F2D8A22C0
• Base-36: SV3ZLC1C0

Squares and roots of 81429048992448

• 81429048992448 squared (81429048992448²) is 6630690019814496643961032704
• 81429048992448 cubed (81429048992448³) is 539930782477210647101799407489424777019392
• The square root of 81429048992448 is 9023804.5741498637
• The cube root of 81429048992448 is 43343.7471539403

Scales and comparisons

• 81,429,048,992,448 seconds is equal to 2,589,191 years, 45 weeks, 5 days, 19 hours, 40 minutes, 48 seconds.
• To count from 1 to 81,429,048,992,448 would take you about six million, four hundred seventy-two thousand, nine hundred seventy-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 81429048992448 cubic inches would be around 3612 feet tall.

Recreational maths with 81429048992448

• 81429048992448 backwards is 84429984092418
• 81429048992448 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81429048992448's digits is 72
• More coming soon!