814389939840

Names of 814389939840

• Cardinal: 814389939840 can be written as Eight hundred fourteen billion, three hundred eighty-nine million, nine hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.1438993984 × 10¹¹

Factors of 814389939840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 45302

Divisors of 814389939840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 13229 26458 32063 39687 52916 64126 66145 79374 96189 105832 128252 132290 158748 160315 192378 198435 211664 256504 264580 317496 320630 384756 396870 423328 480945 513008 529160 634992 641260 769512 793740 846656 961890 1026016 1058320 1269984 1282520 1539024 1587480 1693312 1923780 2052032 2116640 2539968 2565040 3078048 3174960 3847560 4104064 4233280 5079936 5130080 6156096 6349920 7695120 8466560 10260160 12312192 12699840 15390240 20520320 25399680 30780480 61560960 424161427 848322854 1272484281 1696645708 2120807135 2544968562 3393291416 4241614270 5089937124 6362421405 6786582832 8483228540 10179874248 12724842810 13573165664 16966457080 20359748496 25449685620 27146331328 33932914160 40719496992 50899371240 54292662656 67865828320 81438993984 101798742480 135731656640 162877987968 203597484960 271463313280 407194969920 814389939840
• Sum of all divisors σ(n): 2596145126400
• Sum of proper divisors (its aliquot sum) s(n): 1781755186560
• 814389939840 is an abundant number, because the sum of its proper divisors (1781755186560) is greater than itself. Its abundance is 967365246720

Bases of 814389939840

• Binary: 1011110110011101011011000100111010000000₂
• Hexadecimal: 0xBD9D6C4E80
• Base-36: AE4IQR9C

Squares and roots of 814389939840

• 814389939840 squared (814389939840²) is 663230974112598819225600
• 814389939840 cubed (814389939840³) is 540128633107583949775191419387904000
• The square root of 814389939840 is 902435.5599376611
• The cube root of 814389939840 is 9338.5073884893

Scales and comparisons

• 814,389,939,840 seconds is equal to 25,895 years, 4 weeks, 1 day, 11 hours, 44 minutes.
• To count from 1 to 814,389,939,840 would take you about fifty-one thousand, seven hundred ninety 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 814389939840 cubic inches would be around 778.2 feet tall.

Recreational maths with 814389939840

• 814389939840 backwards is 048939983418
• The number of decimal digits it has is: 12
• The sum of 814389939840's digits is 66
• More coming soon!