31809435904

Names of 31809435904

• Cardinal: 31809435904 can be written as Thirty-one billion, eight hundred nine million, four hundred thirty-five thousand, nine hundred four.

Scientific notation

• Scientific notation: 3.1809435904 × 10¹⁰

Factors of 31809435904

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 230

Divisors of 31809435904

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 8 16 32 64 71 128 142 157 256 284 314 568 628 1136 1256 2272 2512 4544 5024 5041 9088 10048 10082 11147 18176 20096 20164 22294 24649 40192 40328 44588 49298 80656 89176 98596 161312 178352 197192 322624 356704 394384 645248 713408 788768 791437 1290496 1426816 1577536 1582874 1750079 2853632 3155072 3165748 3500158 6310144 6331496 7000316 12662992 14000632 25325984 28001264 50651968 56002528 101303936 112005056 124255609 202607872 224010112 248511218 448020224 497022436 994044872 1988089744 3976179488 7952358976 15904717952 31809435904
• Sum of all divisors σ(n): 64814315601
• Sum of proper divisors (its aliquot sum) s(n): 33004879697
• 31809435904 is an abundant number, because the sum of its proper divisors (33004879697) is greater than itself. Its abundance is 1195443793

Bases of 31809435904

• Binary: 11101100111111111010111100100000000₂
• Hexadecimal: 0x767FD7900
• Base-36: EM2ILTS

Squares and roots of 31809435904

• 31809435904 squared (31809435904²) is 1011840212530684297216
• 31809435904 cubed (31809435904³) is 32186066385584539785551637643264
• 31809435904 is a perfect square number. Its square root is 178352
• The cube root of 31809435904 is 3168.4874347763

Scales and comparisons

• 31,809,435,904 seconds is equal to 1,011 years, 22 weeks, 6 days, 18 hours, 25 minutes, 4 seconds.
• To count from 1 to 31,809,435,904 would take you about two thousand and twenty-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 31809435904 cubic inches would be around 264 feet tall.

Recreational maths with 31809435904

• 31809435904 backwards is 40953490813
• The number of decimal digits it has is: 11
• The sum of 31809435904's digits is 46
• More coming soon!