640073513612928

Names of 640073513612928

• Cardinal: 640073513612928 can be written as Six hundred forty trillion, seventy-three billion, five hundred thirteen million, six hundred twelve thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 6.40073513612928 × 10¹⁴

Factors of 640073513612928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 354398

Divisors of 640073513612928

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1289 2578 3701 3867 5156 7402 7734 10312 11103 14804 15468 20624 22206 29608 30936 41248 44412 59216 61872 82496 88824 118432 123744 164992 177648 236864 247488 349403 355296 473728 494976 698806 710592 1048209 1397612 1421184 2096418 2795224 4192836 4770589 5590448 8385672 9541178 11180896 14311767 16771344 19082356 22361792 28623534 33542688 38164712 44723584 57247068 67085376 76329424 114494136 134170752 152658848 228988272 305317696 450380467 457976544 610635392 900760934 915953088 1293140503 1351141401 1801521868 1831906176 2586281006 2702282802 3603043736 3879421509 5172562012 5404565604 7206087472 7758843018 10345124024 10809131208 14412174944 15517686036 20690248048 21618262416 28824349888 31035372072 41380496096 43236524832 57648699776 62070744144 82760992192 86473049664 124141488288 165521984384 172946099328 248282976576 496565953152 1666858108367 3333716216734 5000574325101 6667432433468 10001148650202 13334864866936 20002297300404 26669729733872 40004594600808 53339459467744 80009189201616 106678918935488 160018378403232 213357837870976 320036756806464 640073513612928
• Sum of all divisors σ(n): 1701978889406400
• Sum of proper divisors (its aliquot sum) s(n): 1061905375793472
• 640073513612928 is an abundant number, because the sum of its proper divisors (1061905375793472) is greater than itself. Its abundance is 421831862180544

Bases of 640073513612928

• Binary: 10010001100010010010111010011010001011011010000000₂
• Hexadecimal: 0x24624BA68B680
• Base-36: 6AVXPNSOLC

Squares and roots of 640073513612928

• 640073513612928 squared (640073513612928²) is 409694102828799125727808733184
• 640073513612928 cubed (640073513612928³) is 262234343904125681034577408175256906605002752
• The square root of 640073513612928 is 25299674.1799756781
• The cube root of 640073513612928 is 86180.6870640703

Scales and comparisons

• 640,073,513,612,928 seconds is equal to 20,352,357 years, 44 weeks, 3 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 640,073,513,612,928 would take you about fifty million, eight hundred eighty thousand, eight hundred ninety-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 640073513612928 cubic inches would be around 7181.7 feet tall.

Recreational maths with 640073513612928

• 640073513612928 backwards is 829216315370046
• The number of decimal digits it has is: 15
• The sum of 640073513612928's digits is 57
• More coming soon!