820710072

Names of 820710072

• Cardinal: 820710072 can be written as Eight hundred twenty million, seven hundred ten thousand and seventy-two.

Scientific notation

• Scientific notation: 8.20710072 × 10⁸

Factors of 820710072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 125286

Divisors of 820710072

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 117 126 156 168 182 234 252 273 312 364 468 504 546 728 819 936 1092 1638 2184 3276 6552 125261 250522 375783 501044 751566 876827 1002088 1127349 1503132 1628393 1753654 2254698 2630481 3006264 3256786 3507308 4509396 4885179 5260962 6513572 7014616 7891443 9018792 9770358 10521924 11398751 13027144 14655537 15782886 19540716 21043848 22797502 29311074 31565772 34196253 39081432 45595004 58622148 63131544 68392506 91190008 102588759 117244296 136785012 205177518 273570024 410355036 820710072
• Sum of all divisors σ(n): 2735722080
• Sum of proper divisors (its aliquot sum) s(n): 1915012008
• 820710072 is an abundant number, because the sum of its proper divisors (1915012008) is greater than itself. Its abundance is 1094301936

Bases of 820710072

• Binary: 110000111010110000101010111000₂
• Hexadecimal: 0x30EB0AB8
• Base-36: DKMNY0

Squares and roots of 820710072

• 820710072 squared (820710072²) is 673565022282245184
• 820710072 cubed (820710072³) is 552801597933943049282293248
• The square root of 820710072 is 28648.0378385675
• The cube root of 820710072 is 936.2602552645

Scales and comparisons

• 820,710,072 seconds is equal to 26 years, 4 weeks, 6 days, 23 hours, 1 minute, 12 seconds.
• To count from 1 to 820,710,072 would take you about thirty-nine 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 820710072 cubic inches would be around 78 feet tall.

Recreational maths with 820710072

• 820710072 backwards is 270017028
• The number of decimal digits it has is: 9
• The sum of 820710072's digits is 27
• More coming soon!