20638379427015

Names of 20638379427015

• Cardinal: 20638379427015 can be written as Twenty trillion, six hundred thirty-eight billion, three hundred seventy-nine million, four hundred twenty-seven thousand and fifteen.

Scientific notation

• Scientific notation: 2.0638379427015 × 10¹³

Factors of 20638379427015

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6161

Divisors of 20638379427015

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 15 21 31 35 93 105 155 217 465 651 1085 1093 1801 3221 3255 3279 5403 5465 7651 9005 9663 12607 16105 16395 22547 22953 27015 33883 37821 38255 48315 55831 63035 67641 99851 101649 112735 114765 167493 169415 189105 237181 279155 299553 338205 390817 499255 508245 698957 711543 837465 1172451 1185905 1497765 1954085 1968493 2096871 3494785 3520553 3557715 5801021 5862255 5905479 9842465 10484355 10561659 13779451 17403063 17602765 24643871 29005105 29527395 40607147 41338353 52808295 61023283 68897255 73931613 87015315 109137143 121821441 123219355 179831651 183069849 203035735 206691765 305116415 327411429 369658065 427162981 539494953 545685715 609107205 763960001 899158255 915349245 1258821557 1281488943 1637057145 2135814905 2291880003 2697474765 3776464671 3819800005 6294107785 6340515953 6407444715 11459400015 18882323355 19021547859 31702579765 44383611671 95107739295 133150835013 196555994543 221918058355 589667983629 665754175065 982779972715 1375891961801 2948339918145 4127675885403 6879459809005 20638379427015
• Sum of all divisors σ(n): 39025533763584
• Sum of proper divisors (its aliquot sum) s(n): 18387154336569
• 20638379427015 is a deficient number, because the sum of its proper divisors (18387154336569) is less than itself. Its deficiency is 2251225090446

Bases of 20638379427015

• Binary: 100101100010100111111010001100100010011000111₂
• Hexadecimal: 0x12C53F4644C7
• Base-36: 7BD528RT3

Squares and roots of 20638379427015

• 20638379427015 squared (20638379427015²) is 425942705373435999711810225
• 20638379427015 cubed (20638379427015³) is 8790767167666233029334003616563918228375
• The square root of 20638379427015 is 4542948.3187699813
• The cube root of 20638379427015 is 27429.9614657359

Scales and comparisons

• 20,638,379,427,015 seconds is equal to 656,236 years, 32 weeks, 4 days, 6 hours, 10 minutes, 15 seconds.
• To count from 1 to 20,638,379,427,015 would take you about one million, six hundred forty thousand, five hundred ninety-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 20638379427015 cubic inches would be around 2285.8 feet tall.

Recreational maths with 20638379427015

• 20638379427015 backwards is 51072497383602
• The number of decimal digits it has is: 14
• The sum of 20638379427015's digits is 57
• More coming soon!