31400838091

Names of 31400838091

• Cardinal: 31400838091 can be written as Thirty-one billion, four hundred million, eight hundred thirty-eight thousand and ninety-one.

Scientific notation

• Scientific notation: 3.1400838091 × 10¹⁰

Factors of 31400838091

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 147

Divisors of 31400838091

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 17 19 31 73 119 133 217 289 323 361 511 527 589 1241 1387 2023 2261 2263 2527 3689 4123 5491 6137 6859 8687 8959 9709 10013 11191 15841 21097 23579 26353 38437 38471 42959 42997 48013 62713 70091 78337 104329 116603 147679 165053 170221 184471 190247 212629 269297 300979 400843 448001 500707 654007 730303 730949 816221 816943 1191547 1331729 1488403 1982251 2805901 3136007 3234199 3504949 3614693 4578049 5116643 5718601 7616017 8512019 12426133 13875757 13888031 15521917 22639393 25302851 53312119 59584133 61449781 86982931 97216217 108653419 144704323 236096527 263872589 430148467 1012930261 1652675689 1847108123 4485834013 31400838091
• Sum of all divisors σ(n): 42106449920
• Sum of proper divisors (its aliquot sum) s(n): 10705611829
• 31400838091 is a deficient number, because the sum of its proper divisors (10705611829) is less than itself. Its deficiency is 20695226262

Bases of 31400838091

• Binary: 11101001111101000101100001111001011₂
• Hexadecimal: 0x74FA2C3CB
• Base-36: EFB8XQJ

Squares and roots of 31400838091

• 31400838091 squared (31400838091²) is 986012632817196524281
• 31400838091 cubed (31400838091³) is 30961623038773421259475631187571
• The square root of 31400838091 is 177202.8162614805
• The cube root of 31400838091 is 3154.8623349725

Scales and comparisons

• 31,400,838,091 seconds is equal to 998 years, 23 weeks, 2 days, 15 hours, 1 minute, 31 seconds.
• To count from 1 to 31,400,838,091 would take you about one thousand, nine hundred ninety-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 31400838091 cubic inches would be around 262.9 feet tall.

Recreational maths with 31400838091

• 31400838091 backwards is 19083800413
• The number of decimal digits it has is: 11
• The sum of 31400838091's digits is 37
• More coming soon!