138453794880

Names of 138453794880

• Cardinal: 138453794880 can be written as One hundred thirty-eight billion, four hundred fifty-three million, seven hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3845379488 × 10¹¹

Factors of 138453794880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 863786

Divisors of 138453794880

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 167 192 240 320 334 480 501 668 835 960 1002 1336 1670 2004 2505 2672 3340 4008 5010 5344 6680 8016 10020 10688 13360 16032 20040 26720 32064 40080 53440 80160 160320 863609 1727218 2590827 3454436 4318045 5181654 6908872 8636090 10363308 12954135 13817744 17272180 20726616 25908270 27635488 34544360 41453232 51816540 55270976 69088720 82906464 103633080 138177440 144222703 165812928 207266160 276354880 288445406 414532320 432668109 576890812 721113515 829064640 865336218 1153781624 1442227030 1730672436 2163340545 2307563248 2884454060 3461344872 4326681090 4615126496 5768908120 6922689744 8653362180 9230252992 11537816240 13845379488 17306724360 23075632480 27690758976 34613448720 46151264960 69226897440 138453794880
• Sum of all divisors σ(n): 442223591040
• Sum of proper divisors (its aliquot sum) s(n): 303769796160
• 138453794880 is an abundant number, because the sum of its proper divisors (303769796160) is greater than itself. Its abundance is 165316001280

Bases of 138453794880

• Binary: 10000000111100011111010100000001000000₂
• Hexadecimal: 0x203C7D4040
• Base-36: 1RLRTBUO

Squares and roots of 138453794880

• 138453794880 squared (138453794880²) is 19169453316673114214400
• 138453794880 cubed (138453794880³) is 2654083557468395039451349942272000
• The square root of 138453794880 is 372093.7984970993
• The cube root of 138453794880 is 5173.3074335037

Scales and comparisons

• 138,453,794,880 seconds is equal to 4,402 years, 20 weeks, 6 days, 11 hours, 28 minutes.
• To count from 1 to 138,453,794,880 would take you about eight thousand, eight hundred four 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 138453794880 cubic inches would be around 431.1 feet tall.

Recreational maths with 138453794880

• 138453794880 backwards is 088497354831
• 138453794880 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138453794880's digits is 60
• More coming soon!