70813289920

Names of 70813289920

• Cardinal: 70813289920 can be written as Seventy billion, eight hundred thirteen million, two hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.081328992 × 10¹⁰

Factors of 70813289920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1742587

Divisors of 70813289920

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 127 160 254 320 508 635 1016 1270 2032 2540 4064 5080 8128 10160 20320 40640 1742453 3484906 6969812 8712265 13939624 17424530 27879248 34849060 55758496 69698120 111516992 139396240 221291531 278792480 442583062 557584960 885166124 1106457655 1770332248 2212915310 3540664496 4425830620 7081328992 8851661240 14162657984 17703322480 35406644960 70813289920
• Sum of all divisors σ(n): 169951993344
• Sum of proper divisors (its aliquot sum) s(n): 99138703424
• 70813289920 is an abundant number, because the sum of its proper divisors (99138703424) is greater than itself. Its abundance is 28325413504

Bases of 70813289920

• Binary: 1000001111100110011010000110111000000₂
• Hexadecimal: 0x107CCD0DC0
• Base-36: WJ4EK74

Squares and roots of 70813289920

• 70813289920 squared (70813289920²) is 5014522029293973606400
• 70813289920 cubed (70813289920³) is 355094802270620885898831167488000
• The square root of 70813289920 is 266107.6660301237
• The cube root of 70813289920 is 4137.1848334031

Scales and comparisons

• 70,813,289,920 seconds is equal to 2,251 years, 33 weeks, 3 days, 6 hours, 18 minutes, 40 seconds.
• To count from 1 to 70,813,289,920 would take you about four thousand, five hundred three 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 70813289920 cubic inches would be around 344.8 feet tall.

Recreational maths with 70813289920

• 70813289920 backwards is 02998231807
• The number of decimal digits it has is: 11
• The sum of 70813289920's digits is 49
• More coming soon!