81946437316100

Names of 81946437316100

• Cardinal: 81946437316100 can be written as Eighty-one trillion, nine hundred forty-six billion, four hundred thirty-seven million, three hundred sixteen thousand, one hundred.

Scientific notation

• Scientific notation: 8.19464373161 × 10¹³

Factors of 81946437316100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3597710

Divisors of 81946437316100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 32839 65678 131356 164195 229873 328390 459746 656780 820975 919492 1149365 1641950 2298730 3283900 3564857 4597460 5746825 7129714 11493650 14259428 17824285 22987300 24953999 35648570 49907998 71297140 89121425 99815996 124769995 178242850 249539990 356485700 499079980 623849975 1247699950 2495399900 117066339023 234132678046 468265356092 585331695115 819464373161 1170663390230 1638928746322 2341326780460 2926658475575 3277857492644 4097321865805 5853316951150 8194643731610 11706633902300 16389287463220 20486609329025 40973218658050 81946437316100
• Sum of all divisors σ(n): 203233410145920
• Sum of proper divisors (its aliquot sum) s(n): 121286972829820
• 81946437316100 is an abundant number, because the sum of its proper divisors (121286972829820) is greater than itself. Its abundance is 39340535513720

Bases of 81946437316100

• Binary: 10010101000011110100100010010010110111000000100₂
• Hexadecimal: 0x4A87A4496E04
• Base-36: T1PO8ZEV8

Squares and roots of 81946437316100

• 81946437316100 squared (81946437316100²) is 6715218588801506571319210000
• 81946437316100 cubed (81946437316100³) is 550288239151132159671851876348772281000000
• The square root of 81946437316100 is 9052427.1505547063
• The cube root of 81946437316100 is 43435.3533628001

Scales and comparisons

• 81,946,437,316,100 seconds is equal to 2,605,643 years, 11 weeks, 6 days, 14 hours, 28 minutes, 20 seconds.
• To count from 1 to 81,946,437,316,100 would take you about six million, five hundred fourteen thousand, one hundred eight 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 81946437316100 cubic inches would be around 3619.6 feet tall.

Recreational maths with 81946437316100

• 81946437316100 backwards is 00161373464918
• The number of decimal digits it has is: 14
• The sum of 81946437316100's digits is 53
• More coming soon!