7042945891352121

Names of 7042945891352121

• Cardinal: 7042945891352121 can be written as Seven quadrillion, forty-two trillion, nine hundred forty-five billion, eight hundred ninety-one million, three hundred fifty-two thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 7.042945891352121 × 10¹⁵

Factors of 7042945891352121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 256755

Divisors of 7042945891352121

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 109 327 981 11881 35643 106929 256643 769929 2309787 27974087 83922261 251766783 3049175483 9147526449 27442579347 65865629449 197596888347 592790665041 7179353609941 21538060829823 64614182489469 782549543483569 2347648630450707 7042945891352121
• Sum of all divisors σ(n): 10267371921835119
• Sum of proper divisors (its aliquot sum) s(n): 3224426030482998
• 7042945891352121 is a deficient number, because the sum of its proper divisors (3224426030482998) is less than itself. Its deficiency is 3818519860869123

Bases of 7042945891352121

• Binary: 11001000001011000010110100000000001101011111000111001₂
• Hexadecimal: 0x190585A006BE39
• Base-36: 1XCIKOC8J09

Squares and roots of 7042945891352121

• 7042945891352121 squared (7042945891352121²) is 49603086828513722181293611198641
• 7042945891352121 cubed (7042945891352121³) is 349351856577263229811000476424219503403007667561
• 7042945891352121 is a perfect square number. Its square root is 83922261
• The cube root of 7042945891352121 is 191683.5235135133

Scales and comparisons

• 7,042,945,891,352,121 seconds is equal to 223,943,894 years, 4 weeks, 2 days, 4 hours, 55 minutes, 21 seconds.
• To count from 1 to 7,042,945,891,352,121 would take you about six hundred seventy-one million, eight hundred thirty-one thousand, six hundred eighty-two 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 7042945891352121 cubic inches would be around 15973.6 feet tall.

Recreational maths with 7042945891352121

• 7042945891352121 backwards is 1212531985492407
• The number of decimal digits it has is: 16
• The sum of 7042945891352121's digits is 63
• More coming soon!