12678729984

Names of 12678729984

• Cardinal: 12678729984 can be written as Twelve billion, six hundred seventy-eight million, seven hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.2678729984 × 10¹⁰

Factors of 12678729984

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1834312

Divisors of 12678729984

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1152 1728 2304 3456 6912 1834307 3668614 5502921 7337228 11005842 14674456 16508763 22011684 29348912 33017526 44023368 49526289 58697824 66035052 88046736 99052578 117395648 132070104 176093472 198105156 234791296 264140208 352186944 396210312 469582592 528280416 704373888 792420624 1056560832 1408747776 1584841248 2113121664 3169682496 4226243328 6339364992 12678729984
• Sum of all divisors σ(n): 37493255520
• Sum of proper divisors (its aliquot sum) s(n): 24814525536
• 12678729984 is an abundant number, because the sum of its proper divisors (24814525536) is greater than itself. Its abundance is 12135795552

Bases of 12678729984

• Binary: 1011110011101101100001000100000000₂
• Hexadecimal: 0x2F3B61100
• Base-36: 5TOL6O0

Squares and roots of 12678729984

• 12678729984 squared (12678729984²) is 160750194007180640256
• 12678729984 cubed (12678729984³) is 2038108304692658294918064635904
• The square root of 12678729984 is 112599.8667139531
• The cube root of 12678729984 is 2331.8033270543

Scales and comparisons

• 12,678,729,984 seconds is equal to 403 years, 7 weeks, 3 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 12,678,729,984 would take you about eight hundred six 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 12678729984 cubic inches would be around 194.3 feet tall.

Recreational maths with 12678729984

• 12678729984 backwards is 48992787621
• The number of decimal digits it has is: 11
• The sum of 12678729984's digits is 63
• More coming soon!