12138040832

Names of 12138040832

• Cardinal: 12138040832 can be written as Twelve billion, one hundred thirty-eight million, forty thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.2138040832 × 10¹⁰

Factors of 12138040832

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 124314

Divisors of 12138040832

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 32 64 128 191 256 382 512 764 1528 3056 6112 12224 24448 48896 97792 124121 248242 496484 992968 1985936 3971872 7943744 15887488 23707111 31774976 47414222 63549952 94828444 189656888 379313776 758627552 1517255104 3034510208 6069020416 12138040832
• Sum of all divisors σ(n): 24379546752
• Sum of proper divisors (its aliquot sum) s(n): 12241505920
• 12138040832 is an abundant number, because the sum of its proper divisors (12241505920) is greater than itself. Its abundance is 103465088

Bases of 12138040832

• Binary: 1011010011011110111100111000000000₂
• Hexadecimal: 0x2D37BCE00
• Base-36: 5KQOC8W

Squares and roots of 12138040832

• 12138040832 squared (12138040832²) is 147332035239299252224
• 12138040832 cubed (12138040832³) is 1788322259596277214561978810368
• The square root of 12138040832 is 110172.7771820245
• The cube root of 12138040832 is 2298.1737760519

Scales and comparisons

• 12,138,040,832 seconds is equal to 385 years, 49 weeks, 3 days, 14 hours, 32 seconds.
• To count from 1 to 12,138,040,832 would take you about seven hundred seventy-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 12138040832 cubic inches would be around 191.5 feet tall.

Recreational maths with 12138040832

• 12138040832 backwards is 23804083121
• 12138040832 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12138040832's digits is 32
• More coming soon!