12378439949372621

Names of 12378439949372621

• Cardinal: 12378439949372621 can be written as Twelve quadrillion, three hundred seventy-eight trillion, four hundred thirty-nine billion, nine hundred forty-nine million, three hundred seventy-two thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 1.2378439949372621 × 10¹⁶

Factors of 12378439949372621

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 183006

Divisors of 12378439949372621

• Number of divisors d(n): 64
• Complete list of divisors:
  1 31 59 67 71 1829 2077 2201 3953 4189 4757 8147 122543 129859 147467 174631 252557 280663 480673 545849 578437 5413561 8700553 10303229 11700277 12398801 14900863 16921319 17931547 32205091 34127783 38755279 319400099 362708587 384362831 690316343 731529259 830719667 998357821 1057961273 1201413649 1422718757 2286561461 21399806633 22677407029 25752309677 44104281467 49012460353 70883405291 83940406663 95322156719 101013031747 1519386270943 2602152606553 2954986858289 3131403984157 5624007246421 5959768873073 6767873127049 174344224639051 184752835065263 209804066938519 399304514495891 12378439949372621
• Sum of all divisors σ(n): 13375729766891520
• Sum of proper divisors (its aliquot sum) s(n): 997289817518899
• 12378439949372621 is a deficient number, because the sum of its proper divisors (997289817518899) is less than itself. Its deficiency is 11381150131853722

Bases of 12378439949372621

• Binary: 101011111110100010000000100100000011100100110011001101₂
• Hexadecimal: 0x2BFA20240E4CCD
• Base-36: 3DVSGT40AFH

Squares and roots of 12378439949372621

• 12378439949372621 squared (12378439949372621²) is 153225775580224055945611504409641
• 12378439949372621 cubed (12378439949372621³) is 1896696061715849250210447085368799519532933839061
• The square root of 12378439949372621 is 111258437.6547352973
• The cube root of 12378439949372621 is 231324.6807017473

Scales and comparisons

• 12,378,439,949,372,621 seconds is equal to 393,596,101 years, 18 weeks, 5 days, 12 hours, 23 minutes, 41 seconds.
• To count from 1 to 12,378,439,949,372,621 would take you about one billion, one hundred eighty million, seven hundred eighty-eight thousand, three hundred 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 12378439949372621 cubic inches would be around 19277.1 feet tall.

Recreational maths with 12378439949372621

• 12378439949372621 backwards is 12627394993487321
• The number of decimal digits it has is: 17
• The sum of 12378439949372621's digits is 80
• More coming soon!