13293539840

Names of 13293539840

• Cardinal: 13293539840 can be written as Thirteen billion, two hundred ninety-three million, five hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.329353984 × 10¹⁰

Factors of 13293539840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 741841

Divisors of 13293539840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1120 1280 1792 2240 2560 3584 4480 8960 17920 741827 1483654 2967308 3709135 5192789 5934616 7418270 10385578 11869232 14836540 20771156 23738464 25963945 29673080 41542312 47476928 51927890 59346160 83084624 94953856 103855780 118692320 166169248 189907712 207711560 237384640 332338496 379815424 415423120 474769280 664676992 830846240 949538560 1329353984 1661692480 1899077120 2658707968 3323384960 6646769920 13293539840
• Sum of all divisors σ(n): 36426722112
• Sum of proper divisors (its aliquot sum) s(n): 23133182272
• 13293539840 is an abundant number, because the sum of its proper divisors (23133182272) is greater than itself. Its abundance is 9839642432

Bases of 13293539840

• Binary: 1100011000010110110101001000000000₂
• Hexadecimal: 0x3185B5200
• Base-36: 63UMOZK

Squares and roots of 13293539840

• 13293539840 squared (13293539840²) is 176718201477667225600
• 13293539840 cubed (13293539840³) is 2349210451796516133775867904000
• The square root of 13293539840 is 115297.6141990805
• The cube root of 13293539840 is 2368.9008320863

Scales and comparisons

• 13,293,539,840 seconds is equal to 422 years, 36 weeks, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 13,293,539,840 would take you about eight 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 13293539840 cubic inches would be around 197.4 feet tall.

Recreational maths with 13293539840

• 13293539840 backwards is 04893539231
• The number of decimal digits it has is: 11
• The sum of 13293539840's digits is 47
• More coming soon!