21349756289651364

Names of 21349756289651364

• Cardinal: 21349756289651364 can be written as Twenty-one quadrillion, three hundred forty-nine trillion, seven hundred fifty-six billion, two hundred eighty-nine million, six hundred fifty-one thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 2.1349756289651364 × 10¹⁶

Factors of 21349756289651364

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6785

Divisors of 21349756289651364

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1553 3106 4659 5227 6212 9318 10454 13977 15681 18636 20908 27954 31362 41931 47043 55908 62724 83862 94086 125793 141129 167724 188172 251586 282258 423387 503172 564516 846774 1693548 8117531 16235062 24352593 27321529 32470124 48705186 54643058 73057779 81964587 97410372 109286116 146115558 163929174 219173337 245893761 292231116 327858348 438346674 491787522 657520011 737681283 876693348 983575044 1315040022 1475362566 2213043849 2630080044 2950725132 4426087698 8852175396 42430334537 84860669074 127291003611 169721338148 254582007222 381873010833 509164014444 763746021666 1145619032499 1527492043332 2291238064998 3436857097497 4582476129996 6873714194994 13747428389988
• Sum of all divisors σ(n): 21371977377241542
• Sum of proper divisors (its aliquot sum) s(n): 22221087590178
• 21349756289651364 is a deficient number, because the sum of its proper divisors (22221087590178) is less than itself. Its deficiency is 21327535202061186

Bases of 21349756289651364

• Binary: 1001011110110010111110101111111101011111001001010100100₂
• Hexadecimal: 0x4BD97D7FAF92A4
• Base-36: 5U7UUN0HI90

Squares and roots of 21349756289651364

• 21349756289651364 squared (21349756289651364²) is 455812093627507976832280667060496
• 21349756289651364 cubed (21349756289651364³) is 9731477112823044840326238575609321283878536916544
• 21349756289651364 is a perfect square number. Its square root is 146115558
• The cube root of 21349756289651364 is 277415.6604974813

Scales and comparisons

• 21,349,756,289,651,364 seconds is equal to 678,856,210 years, 45 weeks, 4 days, 20 hours, 29 minutes, 24 seconds.
• To count from 1 to 21,349,756,289,651,364 would take you about two billion, thirty-six million, five hundred sixty-eight thousand, six hundred thirty-two 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 21349756289651364 cubic inches would be around 23118 feet tall.

Recreational maths with 21349756289651364

• 21349756289651364 backwards is 46315698265794312
• 21349756289651364 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21349756289651364's digits is 81
• More coming soon!