138971496250

Names of 138971496250

• Cardinal: 138971496250 can be written as One hundred thirty-eight billion, nine hundred seventy-one million, four hundred ninety-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3897149625 × 10¹¹

Factors of 138971496250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 308

Divisors of 138971496250

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 5 10 25 50 61 113 122 125 127 226 250 254 305 565 610 625 635 1130 1250 1270 1525 2825 3050 3175 5650 6350 6893 7625 7747 13786 14125 14351 15250 15494 15875 16129 28250 28702 31750 32258 34465 38125 38735 68930 70625 71755 76250 77470 79375 80645 141250 143510 158750 161290 172325 193675 344650 358775 387350 403225 717550 806450 861625 875411 968375 983869 1723250 1750822 1793875 1822577 1936750 1967738 2016125 3587750 3645154 4032250 4308125 4377055 4841875 4919345 8616250 8754110 8969375 9112885 9683750 9838690 10080625 17938750 18225770 20161250 21885275 24596725 43770550 45564425 49193450 91128850 109426375 111177197 122983625 218852750 222354394 227822125 245967250 455644250 547131875 555885985 614918125 1094263750 1111771970 1139110625 1229836250 2278221250 2779429925 5558859850 13897149625 27794299250 69485748125 138971496250
• Sum of all divisors σ(n): 269221187268
• Sum of proper divisors (its aliquot sum) s(n): 130249691018
• 138971496250 is a deficient number, because the sum of its proper divisors (130249691018) is less than itself. Its deficiency is 8721805232

Bases of 138971496250

• Binary: 10000001011011010110001011111100111010₂
• Hexadecimal: 0x205B58BF3A
• Base-36: 1RUC1GSA

Squares and roots of 138971496250

• 138971496250 squared (138971496250²) is 19313076769963764062500
• 138971496250 cubed (138971496250³) is 2683967175912981350047603515625000
• The square root of 138971496250 is 372788.8091802115
• The cube root of 138971496250 is 5179.7473608791

Scales and comparisons

• 138,971,496,250 seconds is equal to 4,418 years, 44 weeks, 6 days, 9 hours, 24 minutes, 10 seconds.
• To count from 1 to 138,971,496,250 would take you about eight thousand, eight hundred thirty-seven 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 138971496250 cubic inches would be around 431.6 feet tall.

Recreational maths with 138971496250

• 138971496250 backwards is 052694179831
• The number of decimal digits it has is: 12
• The sum of 138971496250's digits is 55
• More coming soon!