21420383342656

Names of 21420383342656

• Cardinal: 21420383342656 can be written as Twenty-one trillion, four hundred twenty billion, three hundred eighty-three million, three hundred forty-two thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 2.1420383342656 × 10¹³

Factors of 21420383342656

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 34050

Divisors of 21420383342656

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 136 272 289 544 578 1088 1156 2312 4624 9248 18496 34031 68062 136124 272248 544496 578527 1088992 1157054 2177984 2314108 4628216 9256432 9834959 18512864 19669918 37025728 39339836 78679672 157359344 314718688 629437376 1158108961 2316217922 4632435844 9264871688 18529743376 19687852337 37059486752 39375704674 74118973504 78751409348 157502818696 315005637392 334693489729 630011274784 669386979458 1260022549568 1338773958916 2677547917832 5355095835664 10710191671328 21420383342656
• Sum of all divisors σ(n): 45154837154077
• Sum of proper divisors (its aliquot sum) s(n): 23734453811421
• 21420383342656 is an abundant number, because the sum of its proper divisors (23734453811421) is greater than itself. Its abundance is 2314070468765

Bases of 21420383342656

• Binary: 100110111101101010010010101110001000001000000₂
• Hexadecimal: 0x137B52571040
• Base-36: 7LCDZ6MV4

Squares and roots of 21420383342656

• 21420383342656 squared (21420383342656²) is 458832822546334631909134336
• 21420383342656 cubed (21420383342656³) is 9828374949135342704094518307027023036416
• 21420383342656 is a perfect square number. Its square root is 4628216
• The cube root of 21420383342656 is 27772.1229714579

Scales and comparisons

• 21,420,383,342,656 seconds is equal to 681,101 years, 48 weeks, 3 days, 12 hours, 4 minutes, 16 seconds.
• To count from 1 to 21,420,383,342,656 would take you about one million, seven hundred two thousand, seven hundred fifty-four 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 21420383342656 cubic inches would be around 2314.3 feet tall.

Recreational maths with 21420383342656

• 21420383342656 backwards is 65624338302412
• The number of decimal digits it has is: 14
• The sum of 21420383342656's digits is 49
• More coming soon!