1621187421126

Names of 1621187421126

• Cardinal: 1621187421126 can be written as One trillion, six hundred twenty-one billion, one hundred eighty-seven million, four hundred twenty-one thousand, one hundred twenty-six.

Scientific notation

• Scientific notation: 1.621187421126 × 10¹²

Factors of 1621187421126

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 389199

Divisors of 1621187421126

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1093 1274 1911 2186 3279 3822 6558 7651 14209 15302 22953 28418 42627 45906 53557 85254 99463 107114 160671 198926 298389 321342 388081 596778 696241 776162 1164243 1392482 2088723 2328486 2716567 4177446 5045053 5433134 8149701 10090106 15135159 16299402 19015969 30270318 35315371 38031938 57047907 70630742 105946113 114095814 211892226 247207597 424172533 494415194 741622791 848345066 1272517599 1483245582 2545035198 2969207731 5514242929 5938415462 8907623193 11028485858 16542728787 17815246386 20784454117 33085457574 38599700503 41568908234 62353362351 77199401006 115799101509 124706724702 231598203018 270197903521 540395807042 810593710563 1621187421126
• Sum of all divisors σ(n): 4065602915808
• Sum of proper divisors (its aliquot sum) s(n): 2444415494682
• 1621187421126 is an abundant number, because the sum of its proper divisors (2444415494682) is greater than itself. Its abundance is 823228073556

Bases of 1621187421126

• Binary: 10111100101110110010011001110001111000110₂
• Hexadecimal: 0x179764CE3C6
• Base-36: KORH4S06

Squares and roots of 1621187421126

• 1621187421126 squared (1621187421126²) is 2628248654417170471107876
• 1621187421126 cubed (1621187421126³) is 4260883658132452184629295984587388376
• The square root of 1621187421126 is 1273258.5837629369
• The cube root of 1621187421126 is 11747.4717267383

Scales and comparisons

• 1,621,187,421,126 seconds is equal to 51,548 years, 38 weeks, 5 days, 7 hours, 12 minutes, 6 seconds.
• To count from 1 to 1,621,187,421,126 would take you about one hundred twenty-eight thousand, eight 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 1621187421126 cubic inches would be around 979 feet tall.

Recreational maths with 1621187421126

• 1621187421126 backwards is 6211247811261
• 1621187421126 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1621187421126's digits is 42
• More coming soon!