21820427082756

Names of 21820427082756

• Cardinal: 21820427082756 can be written as Twenty-one trillion, eight hundred twenty billion, four hundred twenty-seven million, eighty-two thousand, seven hundred fifty-six.

Scientific notation

• Scientific notation: 2.1820427082756 × 10¹³

Factors of 21820427082756

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2011

Divisors of 21820427082756

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 139 162 278 324 417 556 834 1251 1668 1867 2502 3734 3753 5004 5601 7468 7506 11202 11259 15012 16803 19321 22404 22518 33606 38642 45036 50409 57963 67212 77284 100818 115926 151227 173889 201636 231852 259513 302454 347778 519026 521667 604908 695556 778539 1038052 1043334 1557078 1565001 2086668 2335617 3114156 3130002 3485689 4671234 6260004 6971378 7006851 9342468 10457067 13942756 14013702 20914134 21020553 28027404 31371201 36072307 41828268 42041106 62742402 72144614 84082212 94113603 108216921 125484804 144289228 188227206 216433842 282340809 324650763 376454412 432867684 484510771 564681618 649301526 969021542 973952289 1129363236 1298603052 1453532313 1938043084 1947904578 2907064626 2921856867 3895809156 4360596939 5814129252 5843713734 8721193878 11687427468 13081790817 17442387756 26163581634 39245372451 52327163268 67346997169 78490744902 134693994338 156981489804 202040991507 269387988676 404081983014 606122974521 808163966028 1212245949042 1818368923563 2424491898084 3636737847126 5455106770689 7273475694252 10910213541378 21820427082756
• Sum of all divisors σ(n): 57487030720119
• Sum of proper divisors (its aliquot sum) s(n): 35666603637363
• 21820427082756 is an abundant number, because the sum of its proper divisors (35666603637363) is greater than itself. Its abundance is 13846176554607

Bases of 21820427082756

• Binary: 100111101100001110110110011100001110000000100₂
• Hexadecimal: 0x13D876CE1C04
• Base-36: 7QG5YWC90

Squares and roots of 21820427082756

• 21820427082756 squared (21820427082756²) is 476131038073871520472555536
• 21820427082756 cubed (21820427082756³) is 10389382598127834306691715124960677937216
• 21820427082756 is a perfect square number. Its square root is 4671234
• The cube root of 21820427082756 is 27943.9469965897

Scales and comparisons

• 21,820,427,082,756 seconds is equal to 693,822 years, 4 weeks, 3 days, 9 hours, 12 minutes, 36 seconds.
• To count from 1 to 21,820,427,082,756 would take you about one million, seven hundred thirty-four thousand, five hundred fifty-five 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 21820427082756 cubic inches would be around 2328.7 feet tall.

Recreational maths with 21820427082756

• 21820427082756 backwards is 65728072402812
• 21820427082756 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21820427082756's digits is 54
• More coming soon!