31495979008

Names of 31495979008

• Cardinal: 31495979008 can be written as Thirty-one billion, four hundred ninety-five million, nine hundred seventy-nine thousand and eight.

Scientific notation

• Scientific notation: 3.1495979008 × 10¹⁰

Factors of 31495979008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 813

Divisors of 31495979008

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 107 128 208 214 256 416 428 512 691 832 856 1024 1382 1391 1664 1712 2048 2764 2782 3328 3424 4096 5528 5564 6656 6848 8192 8983 11056 11128 13312 13696 16384 17966 22112 22256 26624 27392 32768 35932 44224 44512 53248 54784 71864 73937 88448 89024 106496 109568 143728 147874 176896 178048 212992 219136 287456 295748 353792 356096 425984 438272 574912 591496 707584 712192 876544 961181 1149824 1182992 1415168 1424384 1753088 1922362 2299648 2365984 2830336 2848768 3506176 3844724 4599296 4731968 5660672 5697536 7689448 9198592 9463936 11321344 11395072 15378896 18397184 18927872 22642688 22790144 30757792 36794368 37855744 45580288 61515584 73588736 75711488 123031168 147177472 151422976 246062336 294354944 302845952 492124672 605691904 984249344 1211383808 1968498688 2422767616 3936997376 7873994752 15747989504 31495979008
• Sum of all divisors σ(n): 68569532640
• Sum of proper divisors (its aliquot sum) s(n): 37073553632
• 31495979008 is an abundant number, because the sum of its proper divisors (37073553632) is greater than itself. Its abundance is 5577574624

Bases of 31495979008

• Binary: 11101010101010011101000000000000000₂
• Hexadecimal: 0x7554E8000
• Base-36: EGVW4XS

Squares and roots of 31495979008

• 31495979008 squared (31495979008²) is 991996693672376664064
• 31495979008 cubed (31495979008³) is 31243907039910581840828811968512
• The square root of 31495979008 is 177471.0652698067
• The cube root of 31495979008 is 3158.0454119913

Scales and comparisons

• 31,495,979,008 seconds is equal to 1,001 years, 24 weeks, 4 days, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 31,495,979,008 would take you about two thousand and 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 31495979008 cubic inches would be around 263.2 feet tall.

Recreational maths with 31495979008

• 31495979008 backwards is 80097959413
• The number of decimal digits it has is: 11
• The sum of 31495979008's digits is 55
• More coming soon!