18636422955990

Names of 18636422955990

• Cardinal: 18636422955990 can be written as Eighteen trillion, six hundred thirty-six billion, four hundred twenty-two million, nine hundred fifty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.863642295599 × 10¹³

Factors of 18636422955990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 149654693

Divisors of 18636422955990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 593 1186 1779 2965 3558 4151 5930 8302 8895 12453 17790 20755 24906 41510 62265 124530 149654083 299308166 448962249 748270415 897924498 1047578581 1496540830 2095157162 2244811245 3142735743 4489622490 5237892905 6285471486 10475785810 15713678715 31427357430 88744871219 177489742438 266234613657 443724356095 532469227314 621214098533 887448712190 1242428197066 1331173068285 1863642295599 2662346136570 3106070492665 3727284591198 6212140985330 9318211477995 18636422955990
• Sum of all divisors σ(n): 51203246916096
• Sum of proper divisors (its aliquot sum) s(n): 32566823960106
• 18636422955990 is an abundant number, because the sum of its proper divisors (32566823960106) is greater than itself. Its abundance is 13930401004116

Bases of 18636422955990

• Binary: 100001111001100100001010111101100001111010110₂
• Hexadecimal: 0x10F3215EC3D6
• Base-36: 6LTGD1SK6

Squares and roots of 18636422955990

• 18636422955990 squared (18636422955990²) is 347316260594551049476880100
• 18636422955990 cubed (18636422955990³) is 6472732731932896224378874576404806799000
• The square root of 18636422955990 is 4316992.3506985741
• The cube root of 18636422955990 is 26512.7139447991

Scales and comparisons

• 18,636,422,955,990 seconds is equal to 592,580 years, 31 weeks, 2 days, 18 hours, 26 minutes, 30 seconds.
• To count from 1 to 18,636,422,955,990 would take you about one million, four hundred eighty-one thousand, four hundred fifty-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 18636422955990 cubic inches would be around 2209.4 feet tall.

Recreational maths with 18636422955990

• 18636422955990 backwards is 09955922463681
• The number of decimal digits it has is: 14
• The sum of 18636422955990's digits is 69
• More coming soon!