81483232320

Names of 81483232320

• Cardinal: 81483232320 can be written as Eighty-one billion, four hundred eighty-three million, two hundred thirty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 8.148323232 × 10¹⁰

Factors of 81483232320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4041844

Divisors of 81483232320

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 420 448 480 504 560 576 630 672 720 840 960 1008 1120 1260 1344 1440 1680 2016 2240 2520 2880 3360 4032 5040 6720 10080 20160 4041827 8083654 12125481 16167308 20209135 24250962 28292789 32334616 36376443 40418270 48501924 56585578 60627405 64669232 72752886 80836540 84878367 97003848 113171156 121254810 129338464 141463945 145505772 161673080 169756734 181882215 194007696 226342312 242509620 254635101 258676928 282927890 291011544 323346160 339513468 363764430 388015392 424391835 452684624 485019240 509270202 565855780 582023088 646692320 679026936 727528860 776030784 848783670 905369248 970038480 1018540404 1131711560 1164046176 1273175505 1293384640 1358053872 1455057720 1697567340 1810738496 1940076960 2037080808 2263423120 2328092352 2546351010 2716107744 2910115440 3395134680 3880153920 4074161616 4526846240 5092702020 5432215488 5820230880 6790269360 8148323232 9053692480 10185404040 11640461760 13580538720 16296646464 20370808080 27161077440 40741616160 81483232320
• Sum of all divisors σ(n): 320306785344
• Sum of proper divisors (its aliquot sum) s(n): 238823553024
• 81483232320 is an abundant number, because the sum of its proper divisors (238823553024) is greater than itself. Its abundance is 157340320704

Bases of 81483232320

• Binary: 1001011111000110001110111010001000000₂
• Hexadecimal: 0x12F8C77440
• Base-36: 11FL0GG0

Squares and roots of 81483232320

• 81483232320 squared (81483232320²) is 6639517149315092582400
• 81483232320 cubed (81483232320³) is 541009318370265817774007943168000
• The square root of 81483232320 is 285452.6796511115
• The cube root of 81483232320 is 4335.3358743283

Scales and comparisons

• 81,483,232,320 seconds is equal to 2,590 years, 47 weeks, 3 days, 23 hours, 12 minutes.
• To count from 1 to 81,483,232,320 would take you about five thousand, one hundred eighty-one 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 81483232320 cubic inches would be around 361.3 feet tall.

Recreational maths with 81483232320

• 81483232320 backwards is 02323238418
• 81483232320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81483232320's digits is 36
• More coming soon!