165890289942

Names of 165890289942

• Cardinal: 165890289942 can be written as One hundred sixty-five billion, eight hundred ninety million, two hundred eighty-nine thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.65890289942 × 10¹¹

Factors of 165890289942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 111202

Divisors of 165890289942

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 234 6791 13582 20373 40746 61119 88283 104393 122238 176566 208786 264849 313179 529698 626358 794547 939537 1357109 1589094 1879074 2714218 4071327 8142654 12213981 24427962 708932863 1417865726 2126798589 4253597178 6380395767 9216127219 12760791534 18432254438 27648381657 55296763314 82945144971 165890289942
• Sum of all divisors σ(n): 387138050208
• Sum of proper divisors (its aliquot sum) s(n): 221247760266
• 165890289942 is an abundant number, because the sum of its proper divisors (221247760266) is greater than itself. Its abundance is 55357470324

Bases of 165890289942

• Binary: 10011010011111110101001111000100010110₂
• Hexadecimal: 0x269FD4F116
• Base-36: 247ISMXI

Squares and roots of 165890289942

• 165890289942 squared (165890289942²) is 27519588297040826363364
• 165890289942 cubed (165890289942³) is 4565232481680572706029731406484888
• The square root of 165890289942 is 407296.3171230499
• The cube root of 165890289942 is 5494.6536470219

Scales and comparisons

• 165,890,289,942 seconds is equal to 5,274 years, 41 weeks, 3 days, 12 hours, 5 minutes, 42 seconds.
• To count from 1 to 165,890,289,942 would take you about ten thousand, five hundred forty-nine 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 165890289942 cubic inches would be around 457.9 feet tall.

Recreational maths with 165890289942

• 165890289942 backwards is 249982098561
• The number of decimal digits it has is: 12
• The sum of 165890289942's digits is 63
• More coming soon!