138402338175

Names of 138402338175

• Cardinal: 138402338175 can be written as One hundred thirty-eight billion, four hundred two million, three hundred thirty-eight thousand, one hundred seventy-five.

Scientific notation

• Scientific notation: 1.38402338175 × 10¹¹

Factors of 138402338175

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34610

Divisors of 138402338175

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 135 225 675 7591 22773 27011 37955 68319 81033 113865 135055 189775 204957 243099 341595 405165 569325 675275 729297 1024785 1215495 1707975 2025825 3646485 5123925 6077475 18232425 205040501 615121503 1025202505 1845364509 3075607515 5126012525 5536093527 9226822545 15378037575 27680467635 46134112725 138402338175
• Sum of all divisors σ(n): 254293128960
• Sum of proper divisors (its aliquot sum) s(n): 115890790785
• 138402338175 is a deficient number, because the sum of its proper divisors (115890790785) is less than itself. Its deficiency is 22511547390

Bases of 138402338175

• Binary: 10000000111001011011000001010101111111₂
• Hexadecimal: 0x20396C157F
• Base-36: 1RKX6FLR

Squares and roots of 138402338175

• 138402338175 squared (138402338175²) is 19155207212307062330625
• 138402338175 cubed (138402338175³) is 2651125466409921062623964909109375
• The square root of 138402338175 is 372024.6472681615
• The cube root of 138402338175 is 5172.6664631359

Scales and comparisons

• 138,402,338,175 seconds is equal to 4,400 years, 39 weeks, 5 days, 21 hours, 56 minutes, 15 seconds.
• To count from 1 to 138,402,338,175 would take you about eight thousand, eight hundred one 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 138402338175 cubic inches would be around 431.1 feet tall.

Recreational maths with 138402338175

• 138402338175 backwards is 571833204831
• 138402338175 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138402338175's digits is 45
• More coming soon!