12397447872

Names of 12397447872

• Cardinal: 12397447872 can be written as Twelve billion, three hundred ninety-seven million, four hundred forty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2397447872 × 10¹⁰

Factors of 12397447872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 797166

Divisors of 12397447872

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 864 972 1296 1728 1944 2592 3888 5184 7776 15552 797161 1594322 2391483 3188644 4782966 6377288 7174449 9565932 12754576 14348898 19131864 21523347 25509152 28697796 38263728 43046694 51018304 57395592 64570041 76527456 86093388 114791184 129140082 153054912 172186776 193710123 229582368 258280164 344373552 387420246 459164736 516560328 688747104 774840492 1033120656 1377494208 1549680984 2066241312 3099361968 4132482624 6198723936 12397447872
• Sum of all divisors σ(n): 36851204936
• Sum of proper divisors (its aliquot sum) s(n): 24453757064
• 12397447872 is an abundant number, because the sum of its proper divisors (24453757064) is greater than itself. Its abundance is 12056309192

Bases of 12397447872

• Binary: 1011100010111100100000101011000000₂
• Hexadecimal: 0x2E2F20AC0
• Base-36: 5P14C00

Squares and roots of 12397447872

• 12397447872 squared (12397447872²) is 153696713738957328384
• 12397447872 cubed (12397447872³) is 1905446996676429694273025998848
• The square root of 12397447872 is 111343.8272738997
• The cube root of 12397447872 is 2314.4302498795

Scales and comparisons

• 12,397,447,872 seconds is equal to 394 years, 10 weeks, 2 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 12,397,447,872 would take you about seven hundred eighty-eight 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 12397447872 cubic inches would be around 192.9 feet tall.

Recreational maths with 12397447872

• 12397447872 backwards is 27874479321
• 12397447872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12397447872's digits is 54
• More coming soon!