138423600448

Names of 138423600448

• Cardinal: 138423600448 can be written as One hundred thirty-eight billion, four hundred twenty-three million, six hundred thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.38423600448 × 10¹¹

Factors of 138423600448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1231261

Divisors of 138423600448

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 224 251 448 502 1004 1757 2008 3514 4016 7028 8032 14056 16064 28112 56224 112448 1231001 2462002 4924004 8617007 9848008 17234014 19696016 34468028 39392032 68936056 78784064 137872112 275744224 308981251 551488448 617962502 1235925004 2162868757 2471850008 4325737514 4943700016 8651475028 9887400032 17302950056 19774800064 34605900112 69211800224 138423600448
• Sum of all divisors σ(n): 315175904064
• Sum of proper divisors (its aliquot sum) s(n): 176752303616
• 138423600448 is an abundant number, because the sum of its proper divisors (176752303616) is greater than itself. Its abundance is 38328703168

Bases of 138423600448

• Binary: 10000000111010101100001000010101000000₂
• Hexadecimal: 0x203AB08540
• Base-36: 1RL9U5OG

Squares and roots of 138423600448

• 138423600448 squared (138423600448²) is 19161093160987545800704
• 138423600448 cubed (138423600448³) is 2652347503863445381020750733115392
• The square root of 138423600448 is 372053.2226012831
• The cube root of 138423600448 is 5172.9313358645

Scales and comparisons

• 138,423,600,448 seconds is equal to 4,401 years, 23 weeks, 7 minutes, 28 seconds.
• To count from 1 to 138,423,600,448 would take you about eight thousand, eight hundred two 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 138423600448 cubic inches would be around 431.1 feet tall.

Recreational maths with 138423600448

• 138423600448 backwards is 844006324831
• The number of decimal digits it has is: 12
• The sum of 138423600448's digits is 43
• More coming soon!