31191297896889

Names of 31191297896889

• Cardinal: 31191297896889 can be written as Thirty-one trillion, one hundred ninety-one billion, two hundred ninety-seven million, eight hundred ninety-six thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 3.1191297896889 × 10¹³

Factors of 31191297896889

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7572

Divisors of 31191297896889

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 13 19 39 57 117 169 171 247 361 507 741 1083 1521 2223 3211 3249 4693 7537 9633 14079 22611 28899 42237 61009 67833 97981 143203 183027 293943 429609 549081 881829 1273753 1288827 1861639 2720857 3821259 5584917 8162571 11463777 16754751 24201307 24487713 35371141 56806369 72603921 106113423 170419107 217811763 318340269 459824833 511257321 738482797 1079321011 1379474499 2215448391 3237963033 4138423497 6646345173 9600276361 9713889099 14031173143 20507099209 28800829083 42093519429 61521297627 86402487249 126280558287 182405250859 184563892881 266592289717 547215752577 799776869151 1641647257731 2399330607453 3465699766321 10397099298963 31191297896889
• Sum of all divisors σ(n): 51496068490893
• Sum of proper divisors (its aliquot sum) s(n): 20304770594004
• 31191297896889 is a deficient number, because the sum of its proper divisors (20304770594004) is less than itself. Its deficiency is 10886527302885

Bases of 31191297896889

• Binary: 111000101111001001010001110110011000110111001₂
• Hexadecimal: 0x1C5E4A3B31B9
• Base-36: B2131FKC9

Squares and roots of 31191297896889

• 31191297896889 squared (31191297896889²) is 972897064492472154475878321
• 31191297896889 cubed (31191297896889³) is 30345922161593528510075858201888368443369
• 31191297896889 is a perfect square number. Its square root is 5584917
• The cube root of 31191297896889 is 31478.2912142351

Scales and comparisons

• 31,191,297,896,889 seconds is equal to 991,786 years, 41 weeks, 1 day, 7 hours, 48 minutes, 9 seconds.
• To count from 1 to 31,191,297,896,889 would take you about two million, four hundred seventy-nine thousand, four hundred sixty-six 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 31191297896889 cubic inches would be around 2623.2 feet tall.

Recreational maths with 31191297896889

• 31191297896889 backwards is 98869879219113
• The number of decimal digits it has is: 14
• The sum of 31191297896889's digits is 81
• More coming soon!