21309349319551671

Names of 21309349319551671

• Cardinal: 21309349319551671 can be written as Twenty-one quadrillion, three hundred nine trillion, three hundred forty-nine billion, three hundred nineteen million, five hundred fifty-one thousand, six hundred seventy-one.

Scientific notation

• Scientific notation: 2.1309349319551671 × 10¹⁶

Factors of 21309349319551671

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 118464

Divisors of 21309349319551671

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 37 111 259 777 9277 27831 49919 59221 64939 149757 177663 194817 343249 349433 414547 1029747 1048299 1243641 1847003 2191177 2402743 5541009 6573531 7208229 12929021 15338239 38787063 46014717 463098563 549393217 1389295689 1648179651 2956253099 3241689941 3845752519 8868759297 9725069823 11537257557 17134646831 20327549029 20693771693 51403940493 60982647087 62081315079 109381364663 119942527817 142292843203 328144093989 359827583451 426878529609 765669552641 2297008657923 27425159999423 82275479998269 191976119995961 575928359987883 1014730919978651 3044192759935953 7103116439850557 21309349319551671
• Sum of all divisors σ(n): 33353820697067520
• Sum of proper divisors (its aliquot sum) s(n): 12044471377515849
• 21309349319551671 is a deficient number, because the sum of its proper divisors (12044471377515849) is less than itself. Its deficiency is 9264877942035822

Bases of 21309349319551671

• Binary: 1001011101101001011110110000100100101100010101010110111₂
• Hexadecimal: 0x4BB4BD84962AB7
• Base-36: 5TTJ7XLRKQF

Squares and roots of 21309349319551671

• 21309349319551671 squared (21309349319551671²) is 454088368422677263857628438892241
• 21309349319551671 cubed (21309349319551671³) is 9676327664664106241037444676093010606246000484711
• The square root of 21309349319551671 is 145977221.9202423067
• The cube root of 21309349319551671 is 277240.5358515285

Scales and comparisons

• 21,309,349,319,551,671 seconds is equal to 677,571,394 years, 11 weeks, 1 day, 19 hours, 27 minutes, 51 seconds.
• To count from 1 to 21,309,349,319,551,671 would take you about two billion, thirty-two million, seven hundred fourteen thousand, one hundred eighty-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 21309349319551671 cubic inches would be around 23103.4 feet tall.

Recreational maths with 21309349319551671

• 21309349319551671 backwards is 17615591394390312
• The number of decimal digits it has is: 17
• The sum of 21309349319551671's digits is 69
• More coming soon!