12990026679

Names of 12990026679

• Cardinal: 12990026679 can be written as Twelve billion, nine hundred ninety million, twenty-six thousand, six hundred seventy-nine.

Scientific notation

• Scientific notation: 1.2990026679 × 10¹⁰

Factors of 12990026679

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 235

Divisors of 12990026679

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 21 41 53 123 131 159 287 371 393 861 917 1113 1681 2173 2751 2809 5043 5371 6519 6943 8427 11767 15211 16113 19663 20829 35301 37597 45633 48601 58989 89093 112791 115169 145803 220211 267279 284663 345507 367979 623651 660633 806183 853989 1103937 1541477 1870953 1992641 2418549 2575853 4624431 4721929 5977923 7727559 11671183 14165787 15087139 33053503 35013549 45261417 81698281 99160509 105609973 245094843 316829919 618572699 1855718097 4330008893 12990026679
• Sum of all divisors σ(n): 20836776576
• Sum of proper divisors (its aliquot sum) s(n): 7846749897
• 12990026679 is a deficient number, because the sum of its proper divisors (7846749897) is less than itself. Its deficiency is 5143276782

Bases of 12990026679

• Binary: 1100000110010001000001001110110111₂
• Hexadecimal: 0x3064413B7
• Base-36: 5YTXCQF

Squares and roots of 12990026679

• 12990026679 squared (12990026679²) is 168740793121131769041
• 12990026679 cubed (12990026679³) is 2191947404479121358517056244839
• The square root of 12990026679 is 113973.7982125717
• The cube root of 12990026679 is 2350.7332360513

Scales and comparisons

• 12,990,026,679 seconds is equal to 413 years, 2 weeks, 1 day, 12 hours, 44 minutes, 39 seconds.
• To count from 1 to 12,990,026,679 would take you about eight hundred twenty-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 12990026679 cubic inches would be around 195.9 feet tall.

Recreational maths with 12990026679

• 12990026679 backwards is 97662009921
• The number of decimal digits it has is: 11
• The sum of 12990026679's digits is 51
• More coming soon!