138990883850

Names of 138990883850

• Cardinal: 138990883850 can be written as One hundred thirty-eight billion, nine hundred ninety million, eight hundred eighty-three thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 1.3899088385 × 10¹¹

Factors of 138990883850

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2116

Divisors of 138990883850

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 5 7 10 13 14 25 26 35 49 50 65 70 91 98 130 175 182 245 325 350 455 490 637 650 910 1225 1274 2089 2275 2450 3185 4178 4550 6370 10445 14623 15925 20890 27157 29246 31850 52225 54314 73115 102361 104450 135785 146230 190099 204722 271570 365575 380198 511805 678925 731150 950495 1023610 1330693 1357850 1900990 2559025 2661386 4363921 4752475 5118050 6653465 8727842 9504950 13306930 21819605 30547447 33267325 43639210 56730973 61094894 66534650 109098025 113461946 152737235 213832129 218196050 283654865 305474470 397116811 427664258 567309730 763686175 794233622 1069160645 1418274325 1527372350 1985584055 2138321290 2779817677 2836548650 3971168110 5345803225 5559635354 9927920275 10691606450 13899088385 19855840550 27798176770 69495441925 138990883850
• Sum of all divisors σ(n): 324019140354
• Sum of proper divisors (its aliquot sum) s(n): 185028256504
• 138990883850 is an abundant number, because the sum of its proper divisors (185028256504) is greater than itself. Its abundance is 46037372654

Bases of 138990883850

• Binary: 10000001011100100000001001010000001010₂
• Hexadecimal: 0x205C80940A
• Base-36: 1RUNL0CQ

Squares and roots of 138990883850

• 138990883850 squared (138990883850²) is 19318465793404190822500
• 138990883850 cubed (138990883850³) is 2685090635251239982713333466625000
• The square root of 138990883850 is 372814.8117363365
• The cube root of 138990883850 is 5179.9882213025

Scales and comparisons

• 138,990,883,850 seconds is equal to 4,419 years, 24 weeks, 6 days, 18 hours, 50 minutes, 50 seconds.
• To count from 1 to 138,990,883,850 would take you about eight thousand, eight hundred thirty-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 138990883850 cubic inches would be around 431.7 feet tall.

Recreational maths with 138990883850

• 138990883850 backwards is 058388099831
• The number of decimal digits it has is: 12
• The sum of 138990883850's digits is 62
• More coming soon!