3971481028991

Names of 3971481028991

• Cardinal: 3971481028991 can be written as Three trillion, nine hundred seventy-one billion, four hundred eighty-one million, twenty-eight thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 3.971481028991 × 10¹²

Factors of 3971481028991

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 142

Divisors of 3971481028991

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 23 41 71 161 287 497 943 1633 1681 2911 5041 6601 11431 11767 20377 35287 38663 66953 68921 115943 119351 206681 270641 357911 468671 482447 811601 835457 1446767 1585183 2505377 2745073 4753663 4893391 8231953 8473921 11096281 14674351 19215511 33275641 34253737 57623671 59317447 102720457 112547993 194900183 337510073 347430761 601648391 787835951 1364301281 2362570511 2432015327 4211538737 7990907503 13837912993 24667584031 55936352521 96865390951 172673088217 567354432713 3971481028991
• Sum of all divisors σ(n): 4923929751552
• Sum of proper divisors (its aliquot sum) s(n): 952448722561
• 3971481028991 is a deficient number, because the sum of its proper divisors (952448722561) is less than itself. Its deficiency is 3019032306430

Bases of 3971481028991

• Binary: 111001110010101110101101110100100101111111₂
• Hexadecimal: 0x39CAEB7497F
• Base-36: 1EOH19I7Z

Squares and roots of 3971481028991

• 3971481028991 squared (3971481028991²) is 15772661563635412182478081
• 3971481028991 cubed (3971481028991³) is 62640826176673561801234466190183046271
• The square root of 3971481028991 is 1992857.5034334493
• The cube root of 3971481028991 is 15836.1946337825

Scales and comparisons

• 3,971,481,028,991 seconds is equal to 126,280 years, 42 weeks, 1 day, 14 hours, 43 minutes, 11 seconds.
• To count from 1 to 3,971,481,028,991 would take you about three hundred fifteen thousand, seven hundred 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 3971481028991 cubic inches would be around 1319.7 feet tall.

Recreational maths with 3971481028991

• 3971481028991 backwards is 1998201841793
• The number of decimal digits it has is: 13
• The sum of 3971481028991's digits is 62
• More coming soon!