231157472

Names of 231157472

• Cardinal: 231157472 can be written as Two hundred thirty-one million, one hundred fifty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.31157472 × 10⁸

Factors of 231157472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 672

Divisors of 231157472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 163 182 208 224 326 364 416 487 652 728 974 1141 1304 1456 1948 2119 2282 2608 2912 3409 3896 4238 4564 5216 6331 6818 7792 8476 9128 12662 13636 14833 15584 16952 18256 25324 27272 29666 33904 36512 44317 50648 54544 59332 67808 79381 88634 101296 109088 118664 158762 177268 202592 237328 317524 354536 474656 555667 635048 709072 1031953 1111334 1270096 1418144 2063906 2222668 2540192 4127812 4445336 7223671 8255624 8890672 14447342 16511248 17781344 28894684 33022496 57789368 115578736 231157472
• Sum of all divisors σ(n): 564705792
• Sum of proper divisors (its aliquot sum) s(n): 333548320
• 231157472 is an abundant number, because the sum of its proper divisors (333548320) is greater than itself. Its abundance is 102390848

Bases of 231157472

• Binary: 1101110001110010111011100000₂
• Hexadecimal: 0xDC72EE0
• Base-36: 3TMI8W

Squares and roots of 231157472

• 231157472 squared (231157472²) is 53433776861430784
• 231157472 cubed (231157472³) is 12351616778700434332418048
• The square root of 231157472 is 15203.8637194629
• The cube root of 231157472 is 613.7186373335

Scales and comparisons

• 231,157,472 seconds is equal to 7 years, 18 weeks, 1 day, 10 hours, 24 minutes, 32 seconds.
• To count from 1 to 231,157,472 would take you about eleven 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 231157472 cubic inches would be around 51.1 feet tall.

Recreational maths with 231157472

• 231157472 backwards is 274751132
• 231157472 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 231157472's digits is 32
• More coming soon!