20379947040

Names of 20379947040

• Cardinal: 20379947040 can be written as Twenty billion, three hundred seventy-nine million, nine hundred forty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.037994704 × 10¹⁰

Factors of 20379947040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14152751

Divisors of 20379947040

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 14152741 28305482 42458223 56610964 70763705 84916446 113221928 127374669 141527410 169832892 212291115 226443856 254749338 283054820 339665784 424582230 452887712 509498676 566109640 636873345 679331568 849164460 1018997352 1132219280 1273746690 1358663136 1698328920 2037994704 2264438560 2547493380 3396657840 4075989408 5094986760 6793315680 10189973520 20379947040
• Sum of all divisors σ(n): 69546574188
• Sum of proper divisors (its aliquot sum) s(n): 49166627148
• 20379947040 is an abundant number, because the sum of its proper divisors (49166627148) is greater than itself. Its abundance is 28786680108

Bases of 20379947040

• Binary: 10010111110101111010101000000100000₂
• Hexadecimal: 0x4BEBD5020
• Base-36: 9D1OZS0

Squares and roots of 20379947040

• 20379947040 squared (20379947040²) is 415342241353204761600
• 20379947040 cubed (20379947040³) is 8464652882253210975683825664000
• The square root of 20379947040 is 142758.3519097919
• The cube root of 20379947040 is 2731.4988187213

Scales and comparisons

• 20,379,947,040 seconds is equal to 648 years, 1 week, 24 minutes.
• To count from 1 to 20,379,947,040 would take you about one thousand, two hundred ninety-six 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 20379947040 cubic inches would be around 227.6 feet tall.

Recreational maths with 20379947040

• 20379947040 backwards is 04074997302
• 20379947040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20379947040's digits is 45
• More coming soon!