129979891488864

Names of 129979891488864

• Cardinal: 129979891488864 can be written as One hundred twenty-nine trillion, nine hundred seventy-nine billion, eight hundred ninety-one million, four hundred eighty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.29979891488864 × 10¹⁴

Factors of 129979891488864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 123435

Divisors of 129979891488864

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 89 96 178 267 356 534 712 1068 1424 2136 2848 4272 8544 123341 246682 370023 493364 740046 986728 1480092 1973456 2960184 3946912 5920368 10977349 11840736 21954698 32932047 43909396 65864094 87818792 131728188 175637584 263456376 351275168 526912752 1053825504 15213002281 30426004562 45639006843 60852009124 91278013686 121704018248 182556027372 243408036496 365112054744 486816072992 730224109488 1353957203009 1460448218976 2707914406018 4061871609027 5415828812036 8123743218054 10831657624072 16247486436108 21663315248144 32494972872216 43326630496288 64989945744432 129979891488864
• Sum of all divisors σ(n): 345033689129640
• Sum of proper divisors (its aliquot sum) s(n): 215053797640776
• 129979891488864 is an abundant number, because the sum of its proper divisors (215053797640776) is greater than itself. Its abundance is 85073906151912

Bases of 129979891488864

• Binary: 11101100011011101001101010000101001100001100000₂
• Hexadecimal: 0x76374D429860
• Base-36: 1A2NXRESTC

Squares and roots of 129979891488864

• 129979891488864 squared (129979891488864²) is 16894772191456860106636010496
• 129979891488864 cubed (129979891488864³) is 2195980656174639720467163480115442571116544
• The square root of 129979891488864 is 11400872.4003413003
• The cube root of 129979891488864 is 50655.3581169461

Scales and comparisons

• 129,979,891,488,864 seconds is equal to 4,132,958 years, 25 weeks, 5 days, 5 hours, 34 minutes, 24 seconds.
• To count from 1 to 129,979,891,488,864 would take you about ten million, three hundred thirty-two thousand, three hundred ninety-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 129979891488864 cubic inches would be around 4221.3 feet tall.

Recreational maths with 129979891488864

• 129979891488864 backwards is 468884198979921
• The number of decimal digits it has is: 15
• The sum of 129979891488864's digits is 93
• More coming soon!