72163664465920

Names of 72163664465920

• Cardinal: 72163664465920 can be written as Seventy-two trillion, one hundred sixty-three billion, six hundred sixty-four million, four hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.216366446592 × 10¹³

Factors of 72163664465920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1214197

Divisors of 72163664465920

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 2909 4096 5120 5818 10240 11636 14545 20480 23272 29090 46544 58180 93088 116360 186176 232720 372352 465440 744704 930880 1211281 1489408 1861760 2422562 2978816 3723520 4845124 5957632 6056405 7447040 9690248 11915264 12112810 14894080 19380496 24225620 29788160 38760992 48451240 59576320 77521984 96902480 155043968 193804960 310087936 387609920 620175872 775219840 1240351744 1550439680 2480703488 3100879360 3523616429 4961406976 6201758720 7047232858 12403517440 14094465716 17618082145 24807034880 28188931432 35236164290 56377862864 70472328580 112755725728 140944657160 225511451456 281889314320 451022902912 563778628640 902045805824 1127557257280 1804091611648 2255114514560 3608183223296 4510229029120 7216366446592 9020458058240 14432732893184 18040916116480 36081832232960 72163664465920
• Sum of all divisors σ(n): 173231325650520
• Sum of proper divisors (its aliquot sum) s(n): 101067661184600
• 72163664465920 is an abundant number, because the sum of its proper divisors (101067661184600) is greater than itself. Its abundance is 28903996718680

Bases of 72163664465920

• Binary: 10000011010000111101001100101100001000000000000₂
• Hexadecimal: 0x41A1E9961000
• Base-36: PKVJ2M1OG

Squares and roots of 72163664465920

• 72163664465920 squared (72163664465920²) is 5207594469149884878841446400
• 72163664465920 cubed (72163664465920³) is 375799099946313073101709210033416306688000
• The square root of 72163664465920 is 8494919.9211010813
• The cube root of 72163664465920 is 41633.1744409473

Scales and comparisons

• 72,163,664,465,920 seconds is equal to 2,294,581 years, 16 weeks, 1 day, 23 hours, 38 minutes, 40 seconds.
• To count from 1 to 72,163,664,465,920 would take you about five million, seven hundred thirty-six thousand, four hundred fifty-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 72163664465920 cubic inches would be around 3469.4 feet tall.

Recreational maths with 72163664465920

• 72163664465920 backwards is 02956446636127
• The number of decimal digits it has is: 14
• The sum of 72163664465920's digits is 61
• More coming soon!