138796660880

Names of 138796660880

• Cardinal: 138796660880 can be written as One hundred thirty-eight billion, seven hundred ninety-six million, six hundred sixty thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3879666088 × 10¹¹

Factors of 138796660880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20170

Divisors of 138796660880

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 211 421 422 842 844 1055 1684 1688 2105 2110 3368 3376 4210 4220 6736 8420 8440 16840 16880 19531 33680 39062 78124 88831 97655 156248 177662 195310 312496 355324 390620 444155 710648 781240 888310 1421296 1562480 1776620 3553240 4121041 7106480 8222551 8242082 16445102 16484164 20605205 32890204 32968328 41112755 41210410 65780408 65936656 82225510 82420820 131560816 164451020 164841640 328902040 329683280 657804080 1734958261 3469916522 6939833044 8674791305 13879666088 17349582610 27759332176 34699165220 69398330440 138796660880
• Sum of all divisors σ(n): 325018417728
• Sum of proper divisors (its aliquot sum) s(n): 186221756848
• 138796660880 is an abundant number, because the sum of its proper divisors (186221756848) is greater than itself. Its abundance is 47425095968

Bases of 138796660880

• Binary: 10000001010000111011001111100010010000₂
• Hexadecimal: 0x2050ECF890
• Base-36: 1RRFY4Y8

Squares and roots of 138796660880

• 138796660880 squared (138796660880²) is 19264513071437722374400
• 138796660880 cubed (138796660880³) is 2673850087794668766439185193472000
• The square root of 138796660880 is 372554.2388431515
• The cube root of 138796660880 is 5177.5742939647

Scales and comparisons

• 138,796,660,880 seconds is equal to 4,413 years, 15 weeks, 5 days, 20 hours, 1 minute, 20 seconds.
• To count from 1 to 138,796,660,880 would take you about eight thousand, eight hundred twenty-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 138796660880 cubic inches would be around 431.5 feet tall.

Recreational maths with 138796660880

• 138796660880 backwards is 088066697831
• The number of decimal digits it has is: 12
• The sum of 138796660880's digits is 62
• More coming soon!