81023437120

Names of 81023437120

• Cardinal: 81023437120 can be written as Eighty-one billion, twenty-three million, four hundred thirty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.102343712 × 10¹⁰

Factors of 81023437120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5150

Divisors of 81023437120

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 131 160 262 320 421 524 655 842 1048 1310 1684 2096 2105 2620 3368 4192 4210 4591 5240 6736 8384 8420 9182 10480 13472 16840 18364 20960 22955 26944 33680 36728 41920 45910 55151 67360 73456 91820 110302 134720 146912 183640 220604 275755 293824 367280 441208 551510 601421 734560 882416 1103020 1202842 1469120 1764832 1932811 2206040 2405684 3007105 3529664 3865622 4412080 4811368 6014210 7731244 8824160 9622736 9664055 12028420 15462488 17648320 19245472 19328110 24056840 30924976 38490944 38656220 48113680 61849952 77312440 96227360 123699904 154624880 192454720 253198241 309249760 506396482 618499520 1012792964 1265991205 2025585928 2531982410 4051171856 5063964820 8102343712 10127929640 16204687424 20255859280 40511718560 81023437120
• Sum of all divisors σ(n): 194914089216
• Sum of proper divisors (its aliquot sum) s(n): 113890652096
• 81023437120 is an abundant number, because the sum of its proper divisors (113890652096) is greater than itself. Its abundance is 32867214976

Bases of 81023437120

• Binary: 1001011011101010111111000100101000000₂
• Hexadecimal: 0x12DD5F8940
• Base-36: 117Z9G74

Squares and roots of 81023437120

• 81023437120 squared (81023437120²) is 6564797362738593894400
• 81023437120 cubed (81023437120³) is 531902446325392293400134320128000
• The square root of 81023437120 is 284646.1612599053
• The cube root of 81023437120 is 4327.1659814975

Scales and comparisons

• 81,023,437,120 seconds is equal to 2,576 years, 15 weeks, 2 days, 6 hours, 18 minutes, 40 seconds.
• To count from 1 to 81,023,437,120 would take you about five thousand, one hundred fifty-two 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 81023437120 cubic inches would be around 360.6 feet tall.

Recreational maths with 81023437120

• 81023437120 backwards is 02173432018
• The number of decimal digits it has is: 11
• The sum of 81023437120's digits is 31
• More coming soon!