18979712149442

Names of 18979712149442

• Cardinal: 18979712149442 can be written as Eighteen trillion, nine hundred seventy-nine billion, seven hundred twelve million, one hundred forty-nine thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.8979712149442 × 10¹³

Factors of 18979712149442

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4665

Divisors of 18979712149442

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 11 22 61 121 122 242 671 1342 3721 4591 7381 7442 9182 14762 40931 50501 81862 101002 280051 450241 555511 560102 900482 1111022 3080561 6161122 17083111 21077281 33886171 34166222 42154562 67772342 187914221 231850091 375828442 463700182 1285714141 2067056431 2550351001 2571428282 4134112862 5100702002 14142855551 28285711102 78428562601 155571411061 156857125202 311142822122 862714188611 1725428377222 9489856074721 18979712149442
• Sum of all divisors σ(n): 31821337498041
• Sum of proper divisors (its aliquot sum) s(n): 12841625348599
• 18979712149442 is a deficient number, because the sum of its proper divisors (12841625348599) is less than itself. Its deficiency is 6138086800843

Bases of 18979712149442

• Binary: 100010100001100001111000000000010011111000010₂
• Hexadecimal: 0x11430F0027C2
• Base-36: 6Q75QKLHE

Squares and roots of 18979712149442

• 18979712149442 squared (18979712149442²) is 360229473275676263740911364
• 18979712149442 cubed (18979712149442³) is 6837051710517445036302152512216444058888
• The square root of 18979712149442 is 4356571.1459176237
• The cube root of 18979712149442 is 26674.5155374231

Scales and comparisons

• 18,979,712,149,442 seconds is equal to 603,496 years, 7 weeks, 1 day, 7 hours, 44 minutes, 2 seconds.
• To count from 1 to 18,979,712,149,442 would take you about one million, five hundred eight thousand, seven hundred forty 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 18979712149442 cubic inches would be around 2222.9 feet tall.

Recreational maths with 18979712149442

• 18979712149442 backwards is 24494121797981
• The number of decimal digits it has is: 14
• The sum of 18979712149442's digits is 68
• More coming soon!