139420635640

Names of 139420635640

• Cardinal: 139420635640 can be written as One hundred thirty-nine billion, four hundred twenty million, six hundred thirty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3942063564 × 10¹¹

Factors of 139420635640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24374268

Divisors of 139420635640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 24374237 48748474 97496948 121871185 194993896 243742370 268116607 316865081 487484740 536233214 633730162 974969480 1072466428 1267460324 1340583035 1584325405 2144932856 2534920648 2681166070 3168650810 3485515891 5362332140 6337301620 6971031782 10724664280 12674603240 13942063564 17427579455 27884127128 34855158910 69710317820 139420635640
• Sum of all divisors σ(n): 368538478560
• Sum of proper divisors (its aliquot sum) s(n): 229117842920
• 139420635640 is an abundant number, because the sum of its proper divisors (229117842920) is greater than itself. Its abundance is 89697207280

Bases of 139420635640

• Binary: 10000001110110000111100001000111111000₂
• Hexadecimal: 0x20761E11F8
• Base-36: 1S1RG2YG

Squares and roots of 139420635640

• 139420635640 squared (139420635640²) is 19438113642261638209600
• 139420635640 cubed (139420635640³) is 2710074159646673166370143550144000
• The square root of 139420635640 is 373390.7278441713
• The cube root of 139420635640 is 5185.3214699013

Scales and comparisons

• 139,420,635,640 seconds is equal to 4,433 years, 7 weeks, 3 days, 18 hours, 20 minutes, 40 seconds.
• To count from 1 to 139,420,635,640 would take you about eight thousand, eight hundred sixty-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 139420635640 cubic inches would be around 432.1 feet tall.

Recreational maths with 139420635640

• 139420635640 backwards is 046536024931
• The number of decimal digits it has is: 12
• The sum of 139420635640's digits is 43
• More coming soon!