1643629438890

Names of 1643629438890

• Cardinal: 1643629438890 can be written as One trillion, six hundred forty-three billion, six hundred twenty-nine million, four hundred thirty-eight thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.64362943889 × 10¹²

Factors of 1643629438890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2094

Divisors of 1643629438890

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 335 402 603 670 1005 1206 2010 2017 3015 4034 4489 6030 6051 8978 10085 12102 13467 18153 20170 22445 26934 30255 36306 40401 44890 60510 67335 80802 90765 134670 135139 181530 202005 270278 404010 405417 675695 810834 1216251 1351390 2027085 2432502 4054170 4068289 6081255 8136578 9054313 12162510 12204867 18108626 20341445 24409734 27162939 36614601 40682890 45271565 54325878 61024335 73229202 81488817 90543130 122048670 135814695 162977634 183073005 271629390 272575363 366146010 407444085 545150726 814888170 817726089 1362876815 1635452178 2453178267 2725753630 4088630445 4906356534 8177260890 12265891335 18262549321 24531782670 36525098642 54787647963 91312746605 109575295926 164362943889 182625493210 273938239815 328725887778 547876479630 821814719445 1643629438890
• Sum of all divisors σ(n): 4340323025766
• Sum of proper divisors (its aliquot sum) s(n): 2696693586876
• 1643629438890 is an abundant number, because the sum of its proper divisors (2696693586876) is greater than itself. Its abundance is 1053064147986

Bases of 1643629438890

• Binary: 10111111010101111111100101110011110101010₂
• Hexadecimal: 0x17EAFF2E7AA
• Base-36: KZ2MJ3QI

Squares and roots of 1643629438890

• 1643629438890 squared (1643629438890²) is 2701517732385856244432100
• 1643629438890 cubed (1643629438890³) is 4440294074632750080008135209704369000
• The square root of 1643629438890 is 1282041.1221524839
• The cube root of 1643629438890 is 11801.4300643759

Scales and comparisons

• 1,643,629,438,890 seconds is equal to 52,262 years, 17 weeks, 1 day, 21 hours, 1 minute, 30 seconds.
• To count from 1 to 1,643,629,438,890 would take you about one hundred thirty thousand, six hundred fifty-five 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 1643629438890 cubic inches would be around 983.5 feet tall.

Recreational maths with 1643629438890

• 1643629438890 backwards is 0988349263461
• The number of decimal digits it has is: 13
• The sum of 1643629438890's digits is 63
• More coming soon!