138211103975

Names of 138211103975

• Cardinal: 138211103975 can be written as One hundred thirty-eight billion, two hundred eleven million, one hundred three thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 1.38211103975 × 10¹¹

Factors of 138211103975

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 149

Divisors of 138211103975

• Number of divisors d(n): 60
• Complete list of divisors:
  1 5 7 25 35 49 137 175 245 343 685 959 1225 1715 2401 3425 4795 6713 8575 12005 16807 23975 33565 46991 60025 84035 117649 167825 234955 328937 420175 588245 823543 1174775 1644685 2302559 2941225 4117715 5764801 8223425 11512795 16117913 20588575 28824005 40353607 57563975 80589565 112825391 144120025 201768035 402947825 564126955 789777737 1008840175 2820634775 3948888685 5528444159 19744443425 27642220795 138211103975
• Sum of all divisors σ(n): 201404851824
• Sum of proper divisors (its aliquot sum) s(n): 63193747849
• 138211103975 is a deficient number, because the sum of its proper divisors (63193747849) is less than itself. Its deficiency is 75017356126

Bases of 138211103975

• Binary: 10000000101110000001100001010011100111₂
• Hexadecimal: 0x202E0614E7
• Base-36: 1RHRBMCN

Squares and roots of 138211103975

• 138211103975 squared (138211103975²) is 19102309261988260800625
• 138211103975 cubed (138211103975³) is 2640151251571265028744598619984375
• The square root of 138211103975 is 371767.5402385205
• The cube root of 138211103975 is 5170.2829613033

Scales and comparisons

• 138,211,103,975 seconds is equal to 4,394 years, 35 weeks, 4 days, 13 hours, 19 minutes, 35 seconds.
• To count from 1 to 138,211,103,975 would take you about eight thousand, seven hundred eighty-nine 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 138211103975 cubic inches would be around 430.9 feet tall.

Recreational maths with 138211103975

• 138211103975 backwards is 579301112831
• The number of decimal digits it has is: 12
• The sum of 138211103975's digits is 41
• More coming soon!