640710394896

Names of 640710394896

• Cardinal: 640710394896 can be written as Six hundred forty billion, seven hundred ten million, three hundred ninety-four thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 6.40710394896 × 10¹¹

Factors of 640710394896

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 93343618

Divisors of 640710394896

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 104 132 143 156 176 208 264 286 312 429 528 572 624 858 1144 1716 2288 3432 6864 93343589 186687178 280030767 373374356 560061534 746748712 1026779479 1120123068 1213466657 1493497424 2053558958 2240246136 2426933314 3080338437 3640399971 4107117916 4480492272 4853866628 6160676874 7280799942 8214235832 9707733256 12321353748 13348133227 14561599884 16428471664 19415466512 24642707496 26696266454 29123199768 40044399681 49285414992 53392532908 58246399536 80088799362 106785065816 160177598724 213570131632 320355197448 640710394896
• Sum of all divisors σ(n): 1944533666880
• Sum of proper divisors (its aliquot sum) s(n): 1303823271984
• 640710394896 is an abundant number, because the sum of its proper divisors (1303823271984) is greater than itself. Its abundance is 663112877088

Bases of 640710394896

• Binary: 1001010100101101010100001100010000010000₂
• Hexadecimal: 0x952D50C410
• Base-36: 86C6FCPC

Squares and roots of 640710394896

• 640710394896 squared (640710394896²) is 410509810127788262850816
• 640710394896 cubed (640710394896³) is 263017902555657198114220166095835136
• The square root of 640710394896 is 800443.8736701031
• The cube root of 640710394896 is 8620.9261215355

Scales and comparisons

• 640,710,394,896 seconds is equal to 20,372 years, 31 weeks, 4 days, 13 hours, 41 minutes, 36 seconds.
• To count from 1 to 640,710,394,896 would take you about forty thousand, seven hundred forty-five 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 640710394896 cubic inches would be around 718.4 feet tall.

Recreational maths with 640710394896

• 640710394896 backwards is 698493017046
• The number of decimal digits it has is: 12
• The sum of 640710394896's digits is 57
• More coming soon!