138633181824

Names of 138633181824

• Cardinal: 138633181824 can be written as One hundred thirty-eight billion, six hundred thirty-three million, one hundred eighty-one thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.38633181824 × 10¹¹

Factors of 138633181824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9757445

Divisors of 138633181824

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 128 148 192 222 296 384 444 592 888 1184 1776 2368 3552 4736 7104 14208 9757403 19514806 29272209 39029612 58544418 78059224 117088836 156118448 234177672 312236896 361023911 468355344 624473792 722047822 936710688 1083071733 1248947584 1444095644 1873421376 2166143466 2888191288 3746842752 4332286932 5776382576 8664573864 11552765152 17329147728 23105530304 34658295456 46211060608 69316590912 138633181824
• Sum of all divisors σ(n): 378196979040
• Sum of proper divisors (its aliquot sum) s(n): 239563797216
• 138633181824 is an abundant number, because the sum of its proper divisors (239563797216) is greater than itself. Its abundance is 100930615392

Bases of 138633181824

• Binary: 10000001000111001011100111101010000000₂
• Hexadecimal: 0x20472E7A80
• Base-36: 1ROQM7PC

Squares and roots of 138633181824

• 138633181824 squared (138633181824²) is 19219159102646243966976
• 138633181824 cubed (138633181824³) is 2664413178381541419424446859444224
• The square root of 138633181824 is 372334.7711723953
• The cube root of 138633181824 is 5175.5407256125

Scales and comparisons

• 138,633,181,824 seconds is equal to 4,408 years, 5 weeks, 3 days, 17 hours, 10 minutes, 24 seconds.
• To count from 1 to 138,633,181,824 would take you about eight thousand, eight hundred sixteen 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 138633181824 cubic inches would be around 431.3 feet tall.

Recreational maths with 138633181824

• 138633181824 backwards is 428181336831
• 138633181824 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138633181824's digits is 48
• More coming soon!