12120891127890

Names of 12120891127890

• Cardinal: 12120891127890 can be written as Twelve trillion, one hundred twenty billion, eight hundred ninety-one million, one hundred twenty-seven thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.212089112789 × 10¹³

Factors of 12120891127890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 164232

Divisors of 12120891127890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 19 23 30 38 46 57 69 95 114 115 138 190 230 285 345 437 570 690 874 1311 2185 2622 4370 5839 6555 11678 13110 17517 29195 35034 58390 87585 110941 134297 158341 175170 221882 268594 316682 332823 402891 475023 554705 665646 671485 791705 805782 950046 1109410 1342970 1583410 1664115 2014455 2375115 2551643 3008479 3328230 3641843 4028910 4750230 5103286 6016958 7283686 7654929 9025437 10925529 12758215 15042395 15309858 18050874 18209215 21851058 25516430 30084790 36418430 38274645 45127185 54627645 69195017 76549290 90254370 109255290 138390034 207585051 345975085 415170102 691950170 924553099 1037925255 1849106198 2075850510 2773659297 4622765495 5547318594 9245530990 13868296485 17566508881 21264721277 27736592970 35133017762 42529442554 52699526643 63794163831 87832544405 105399053286 106323606385 127588327662 175665088810 212647212770 263497633215 318970819155 404029704263 526995266430 637941638310 808059408526 1212089112789 2020148521315 2424178225578 4040297042630 6060445563945 12120891127890
• Sum of all divisors σ(n): 31958229196800
• Sum of proper divisors (its aliquot sum) s(n): 19837338068910
• 12120891127890 is an abundant number, because the sum of its proper divisors (19837338068910) is greater than itself. Its abundance is 7716446941020

Bases of 12120891127890

• Binary: 10110000011000011101011010001111100001010010₂
• Hexadecimal: 0xB061D68F852
• Base-36: 4AO9DMIJ6

Squares and roots of 12120891127890

• 12120891127890 squared (12120891127890²) is 146916001734162516335852100
• 12120891127890 cubed (12120891127890³) is 1780752861964682298574626910413225069000
• The square root of 12120891127890 is 3481507.0196525529
• The cube root of 12120891127890 is 22970.9091110279

Scales and comparisons

• 12,120,891,127,890 seconds is equal to 385,406 years, 43 weeks, 6 days, 18 hours, 11 minutes, 30 seconds.
• To count from 1 to 12,120,891,127,890 would take you about nine hundred sixty-three thousand, five hundred seventeen 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 12120891127890 cubic inches would be around 1914.2 feet tall.

Recreational maths with 12120891127890

• 12120891127890 backwards is 09872119802121
• The number of decimal digits it has is: 14
• The sum of 12120891127890's digits is 51
• More coming soon!