87072972

Names of 87072972

• Cardinal: 87072972 can be written as Eighty-seven million, seventy-two thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 8.7072972 × 10⁷

Factors of 87072972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 733

Divisors of 87072972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 89 114 133 178 228 266 267 356 399 532 534 613 623 798 1068 1226 1246 1596 1691 1839 1869 2452 2492 3382 3678 3738 4291 5073 6764 7356 7476 8582 10146 11647 11837 12873 17164 20292 23294 23674 25746 34941 35511 46588 47348 51492 54557 69882 71022 81529 109114 139764 142044 163058 163671 218228 244587 326116 327342 381899 489174 654684 763798 978348 1036583 1145697 1527596 2073166 2291394 3109749 4146332 4582788 6219498 7256081 12438996 14512162 21768243 29024324 43536486 87072972
• Sum of all divisors σ(n): 247564800
• Sum of proper divisors (its aliquot sum) s(n): 160491828
• 87072972 is an abundant number, because the sum of its proper divisors (160491828) is greater than itself. Its abundance is 73418856

Bases of 87072972

• Binary: 101001100001010000011001100₂
• Hexadecimal: 0x530A0CC
• Base-36: 1FU9XO

Squares and roots of 87072972

• 87072972 squared (87072972²) is 7581702452912784
• 87072972 cubed (87072972³) is 660161365394806159674048
• The square root of 87072972 is 9331.2899429821
• The cube root of 87072972 is 443.2286135283

Scales and comparisons

• 87,072,972 seconds is equal to 2 years, 39 weeks, 6 days, 18 hours, 56 minutes, 12 seconds.
• To count from 1 to 87,072,972 would take you about four 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 87072972 cubic inches would be around 36.9 feet tall.

Recreational maths with 87072972

• 87072972 backwards is 27927078
• 87072972 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 87072972's digits is 42
• More coming soon!