81880918000378

Names of 81880918000378

• Cardinal: 81880918000378 can be written as Eighty-one trillion, eight hundred eighty billion, nine hundred eighteen million, three hundred seventy-eight.

Scientific notation

• Scientific notation: 8.1880918000378 × 10¹³

Factors of 81880918000378

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1361327

Divisors of 81880918000378

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 37 74 223 259 446 518 521 1042 1561 3122 3647 7294 8251 16502 19277 38554 57757 115514 116183 134939 232366 269878 813281 1360537 1626562 2721074 4298771 8597542 9523759 19047518 30091397 50339869 60182794 100679738 303399751 352379083 606799502 704758166 708839777 1417679554 2123798257 4247596514 4961878439 9923756878 11225790787 22451581574 26227071749 52454143498 78580535509 157161071018 158071270271 183589502243 316142540542 367179004486 1106498891897 2212997783794 5848637000027 11697274000054 40940459000189 81880918000378
• Sum of all divisors σ(n): 145085508384768
• Sum of proper divisors (its aliquot sum) s(n): 63204590384390
• 81880918000378 is a deficient number, because the sum of its proper divisors (63204590384390) is less than itself. Its deficiency is 18676327615988

Bases of 81880918000378

• Binary: 10010100111100001100011000010000000001011111010₂
• Hexadecimal: 0x4A78630802FA
• Base-36: T0VKOH3AY

Squares and roots of 81880918000378

• 81880918000378 squared (81880918000378²) is 6704484732584625974008142884
• 81880918000378 cubed (81880918000378³) is 548969364623547982667347867435262590010152
• The square root of 81880918000378 is 9048807.5457696633
• The cube root of 81880918000378 is 43423.7741999657

Scales and comparisons

• 81,880,918,000,378 seconds is equal to 2,603,559 years, 47 weeks, 5 days, 4 hours, 32 minutes, 58 seconds.
• To count from 1 to 81,880,918,000,378 would take you about six million, five hundred eight thousand, eight hundred ninety-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 81880918000378 cubic inches would be around 3618.6 feet tall.

Recreational maths with 81880918000378

• 81880918000378 backwards is 87300081908818
• The number of decimal digits it has is: 14
• The sum of 81880918000378's digits is 61
• More coming soon!