31890018048

Names of 31890018048

• Cardinal: 31890018048 can be written as Thirty-one billion, eight hundred ninety million, eighteen thousand and forty-eight.

Scientific notation

• Scientific notation: 3.1890018048 × 10¹⁰

Factors of 31890018048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5931935

Divisors of 31890018048

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 5931923 11863846 17795769 23727692 35591538 41523461 47455384 71183076 83046922 94910768 124570383 142366152 166093844 189821536 249140766 284732304 332187688 379643072 498281532 569464608 664375376 759286144 996563064 1138929216 1328750752 1518572288 1993126128 2277858432 2657501504 3986252256 4555716864 5315003008 7972504512 10630006016 15945009024 31890018048
• Sum of all divisors σ(n): 96998821248
• Sum of proper divisors (its aliquot sum) s(n): 65108803200
• 31890018048 is an abundant number, because the sum of its proper divisors (65108803200) is greater than itself. Its abundance is 33218785152

Bases of 31890018048

• Binary: 11101101100110010110000111100000000₂
• Hexadecimal: 0x76CCB0F00
• Base-36: ENEHREO

Squares and roots of 31890018048

• 31890018048 squared (31890018048²) is 1016973251101765730304
• 31890018048 cubed (31890018048³) is 32431295331968545024062460526592
• The square root of 31890018048 is 178577.7647077037
• The cube root of 31890018048 is 3171.1607318089

Scales and comparisons

• 31,890,018,048 seconds is equal to 1,014 years, 1 day, 10 hours, 20 minutes, 48 seconds.
• To count from 1 to 31,890,018,048 would take you about two thousand and twenty-eight 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 31890018048 cubic inches would be around 264.3 feet tall.

Recreational maths with 31890018048

• 31890018048 backwards is 84081009813
• 31890018048 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31890018048's digits is 42
• More coming soon!