20135672640

Names of 20135672640

• Cardinal: 20135672640 can be written as Twenty billion, one hundred thirty-five million, six hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.013567264 × 10¹⁰

Factors of 20135672640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6991563

Divisors of 20135672640

• Number of divisors d(n): 84
• 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 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 6991553 13983106 20974659 27966212 34957765 41949318 55932424 62923977 69915530 83898636 104873295 111864848 125847954 139831060 167797272 209746590 223729696 251695908 279662120 314619885 335594544 419493180 447459392 503391816 559324240 629239770 671189088 838986360 1006783632 1118648480 1258479540 1342378176 1677972720 2013567264 2237296960 2516959080 3355945440 4027134528 5033918160 6711890880 10067836320 20135672640
• Sum of all divisors σ(n): 69258333924
• Sum of proper divisors (its aliquot sum) s(n): 49122661284
• 20135672640 is an abundant number, because the sum of its proper divisors (49122661284) is greater than itself. Its abundance is 28986988644

Bases of 20135672640

• Binary: 10010110000001011011111101101000000₂
• Hexadecimal: 0x4B02DFB40
• Base-36: 9909CG0

Squares and roots of 20135672640

• 20135672640 squared (20135672640²) is 405445312665244569600
• 20135672640 cubed (20135672640³) is 8163914089249810559003295744000
• The square root of 20135672640 is 141900.2207186445
• The cube root of 20135672640 is 2720.5416597163

Scales and comparisons

• 20,135,672,640 seconds is equal to 640 years, 13 weeks, 18 hours, 24 minutes.
• To count from 1 to 20,135,672,640 would take you about one thousand, two hundred eighty 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 20135672640 cubic inches would be around 226.7 feet tall.

Recreational maths with 20135672640

• 20135672640 backwards is 04627653102
• 20135672640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20135672640's digits is 36
• More coming soon!