31450220640

Names of 31450220640

• Cardinal: 31450220640 can be written as Thirty-one billion, four hundred fifty million, two hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.145022064 × 10¹⁰

Factors of 31450220640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 507970

Divisors of 31450220640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 43 45 48 60 72 80 86 90 96 120 129 144 160 172 180 215 240 258 288 344 360 387 430 480 516 645 688 720 774 860 1032 1290 1376 1440 1548 1720 1935 2064 2580 3096 3440 3870 4128 5160 6192 6880 7740 10320 12384 15480 20640 30960 61920 507917 1015834 1523751 2031668 2539585 3047502 4063336 4571253 5079170 6095004 7618755 8126672 9142506 10158340 12190008 15237510 16253344 18285012 20316680 21840431 22856265 24380016 30475020 36570024 40633360 43680862 45712530 48760032 60950040 65521293 73140048 81266720 87361724 91425060 109202155 121900080 131042586 146280096 174723448 182850120 196563879 218404310 243800160 262085172 327606465 349446896 365700240 393127758 436808620 524170344 655212930 698893792 731400480 786255516 873617240 982819395 1048340688 1310425860 1572511032 1747234480 1965638790 2096681376 2620851720 3145022064 3494468960 3931277580 5241703440 6290044128 7862555160 10483406880 15725110320 31450220640
• Sum of all divisors σ(n): 109819998288
• Sum of proper divisors (its aliquot sum) s(n): 78369777648
• 31450220640 is an abundant number, because the sum of its proper divisors (78369777648) is greater than itself. Its abundance is 46919557008

Bases of 31450220640

• Binary: 11101010010100101000100100001100000₂
• Hexadecimal: 0x752944860
• Base-36: EG4NDK0

Squares and roots of 31450220640

• 31450220640 squared (31450220640²) is 989116378304682009600
• 31450220640 cubed (31450220640³) is 31107928336319958346958598144000
• The square root of 31450220640 is 177342.1005852809
• The cube root of 31450220640 is 3156.5153008821

Scales and comparisons

• 31,450,220,640 seconds is equal to 1,000 years, 1 week, 4 hours, 24 minutes.
• To count from 1 to 31,450,220,640 would take you about two thousand 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 31450220640 cubic inches would be around 263 feet tall.

Recreational maths with 31450220640

• 31450220640 backwards is 04602205413
• The number of decimal digits it has is: 11
• The sum of 31450220640's digits is 27
• More coming soon!