31029993621

Names of 31029993621

• Cardinal: 31029993621 can be written as Thirty-one billion, twenty-nine million, nine hundred ninety-three thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 3.1029993621 × 10¹⁰

Factors of 31029993621

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 430

Divisors of 31029993621

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 11 19 27 33 57 81 99 171 209 243 297 361 397 513 627 729 891 1083 1191 1539 1881 2187 2673 3249 3573 3971 4367 4617 5643 6561 7543 8019 9747 10719 11913 13101 13851 16929 19683 22629 24057 29241 32157 35739 39303 41553 50787 67887 72171 82973 87723 96471 107217 117909 124659 143317 152361 203661 216513 248919 263169 289413 321651 353727 373977 429951 457083 610983 746757 789507 868239 964953 1061181 1289853 1371249 1576487 1832949 2240271 2368521 2604717 2894859 3183543 3869559 4113747 4729461 5498847 6720813 7105563 7814151 8684577 9550629 11608677 14188383 16496541 20162439 26053731 28651887 34826031 42565149 49489623 60487317 78161193 85955661 104478093 127695447 148468869 181461951 313434279 383086341 544385853 940302837 1149259023 1633157559 2820908511 3447777069 10343331207 31029993621
• Sum of all divisors σ(n): 53723523744
• Sum of proper divisors (its aliquot sum) s(n): 22693530123
• 31029993621 is a deficient number, because the sum of its proper divisors (22693530123) is less than itself. Its deficiency is 8336463498

Bases of 31029993621

• Binary: 11100111001100010000010000010010101₂
• Hexadecimal: 0x739882095
• Base-36: E96GGB9

Squares and roots of 31029993621

• 31029993621 squared (31029993621²) is 962860504119300691641
• 31029993621 cubed (31029993621³) is 29877555300734744684601118022061
• The square root of 31029993621 is 176153.3241837919
• The cube root of 31029993621 is 3142.3934589451

Scales and comparisons

• 31,029,993,621 seconds is equal to 986 years, 34 weeks, 1 day, 10 hours, 40 minutes, 21 seconds.
• To count from 1 to 31,029,993,621 would take you about one thousand, nine hundred seventy-three 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 31029993621 cubic inches would be around 261.9 feet tall.

Recreational maths with 31029993621

• 31029993621 backwards is 12639992013
• The number of decimal digits it has is: 11
• The sum of 31029993621's digits is 45
• More coming soon!