21370125315

Names of 21370125315

• Cardinal: 21370125315 can be written as Twenty-one billion, three hundred seventy million, one hundred twenty-five thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 2.1370125315 × 10¹⁰

Factors of 21370125315

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2653

Divisors of 21370125315

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 11 15 17 21 33 35 51 55 77 85 105 119 165 187 231 255 357 385 521 561 595 935 1155 1309 1563 1785 2089 2605 2805 3647 3927 5731 6267 6545 7815 8857 10445 10941 14623 17193 18235 19635 22979 26571 28655 31335 35513 40117 43869 44285 54705 61999 68937 73115 85965 97427 106539 114895 120351 132855 160853 177565 185997 200585 219345 248591 292281 309995 344685 390643 482559 487135 532695 601755 681989 745773 804265 929985 1088369 1171929 1242955 1461405 1953215 2045967 2412795 2734501 3265107 3409945 3728865 5441845 5859645 7618583 8203503 10229835 11972059 13672505 16325535 18502273 22855749 35916177 38092915 41017515 55506819 59860295 83804413 92511365 114278745 129515911 179580885 203525003 251413239 277534095 388547733 419022065 610575009 647579555 1017625015 1257066195 1424675021 1942738665 3052875045 4274025063 7123375105 21370125315
• Sum of all divisors σ(n): 45245122560
• Sum of proper divisors (its aliquot sum) s(n): 23874997245
• 21370125315 is an abundant number, because the sum of its proper divisors (23874997245) is greater than itself. Its abundance is 2504871930

Bases of 21370125315

• Binary: 10011111001110000100011110000000011₂
• Hexadecimal: 0x4F9C23C03
• Base-36: 9TF7Y83

Squares and roots of 21370125315

• 21370125315 squared (21370125315²) is 456682255978803849225
• 21370125315 cubed (21370125315³) is 9759357039403946241742615630875
• The square root of 21370125315 is 146185.2431505999
• The cube root of 21370125315 is 2775.0385651649

Scales and comparisons

• 21,370,125,315 seconds is equal to 679 years, 26 weeks, 1 day, 9 hours, 55 minutes, 15 seconds.
• To count from 1 to 21,370,125,315 would take you about one thousand, three hundred fifty-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 21370125315 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370125315

• 21370125315 backwards is 51352107312
• The number of decimal digits it has is: 11
• The sum of 21370125315's digits is 30
• More coming soon!