138531848448

Names of 138531848448

• Cardinal: 138531848448 can be written as One hundred thirty-eight billion, five hundred thirty-one million, eight hundred forty-eight thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.38531848448 × 10¹¹

Factors of 138531848448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 25768585

Divisors of 138531848448

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 25768573 51537146 77305719 103074292 154611438 180380011 206148584 309222876 360760022 412297168 541140033 618445752 721520044 824594336 1082280066 1236891504 1443040088 1649188672 2164560132 2473783008 2886080176 3298377344 4329120264 4947566016 5772160352 6596754688 8658240528 9895132032 11544320704 17316481056 19790264064 23088641408 34632962112 46177282816 69265924224 138531848448
• Sum of all divisors σ(n): 421367722048
• Sum of proper divisors (its aliquot sum) s(n): 282835873600
• 138531848448 is an abundant number, because the sum of its proper divisors (282835873600) is greater than itself. Its abundance is 144304025152

Bases of 138531848448

• Binary: 10000001000001001001000100000100000000₂
• Hexadecimal: 0x2041244100
• Base-36: 1RN2AADC

Squares and roots of 138531848448

• 138531848448 squared (138531848448²) is 19191073034419640008704
• 138531848448 cubed (138531848448³) is 2658574821158721057320499928891392
• The square root of 138531848448 is 372198.6679825707
• The cube root of 138531848448 is 5174.2794045683

Scales and comparisons

• 138,531,848,448 seconds is equal to 4,404 years, 45 weeks, 6 days, 21 hours, 48 seconds.
• To count from 1 to 138,531,848,448 would take you about eight thousand, eight hundred 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 138531848448 cubic inches would be around 431.2 feet tall.

Recreational maths with 138531848448

• 138531848448 backwards is 844848135831
• The number of decimal digits it has is: 12
• The sum of 138531848448's digits is 57
• More coming soon!