21107864885248

Names of 21107864885248

• Cardinal: 21107864885248 can be written as Twenty-one trillion, one hundred seven billion, eight hundred sixty-four million, eight hundred eighty-five thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1107864885248 × 10¹³

Factors of 21107864885248

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 22070222

Divisors of 21107864885248

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 467 512 934 1024 1868 2048 3736 7472 14944 29888 59776 119552 239104 478208 956416 22069753 44139506 88279012 176558024 353116048 706232096 1412464192 2824928384 5649856768 10306574651 11299713536 20613149302 22599427072 41226298604 45198854144 82452597208 164905194416 329810388832 659620777664 1319241555328 2638483110656 5276966221312 10553932442624 21107864885248
• Sum of all divisors σ(n): 42295800750840
• Sum of proper divisors (its aliquot sum) s(n): 21187935865592
• 21107864885248 is an abundant number, because the sum of its proper divisors (21187935865592) is greater than itself. Its abundance is 80070980344

Bases of 21107864885248

• Binary: 100110011001010001110110010011101100000000000₂
• Hexadecimal: 0x13328EC9D800
• Base-36: 7HCTHRHTS

Squares and roots of 21107864885248

• 21107864885248 squared (21107864885248²) is 445541960013885564208021504
• 21107864885248 cubed (21107864885248³) is 9404439492681663619238353559530076372992
• The square root of 21107864885248 is 4594329.6448174025
• The cube root of 21107864885248 is 27636.3977909297

Scales and comparisons

• 21,107,864,885,248 seconds is equal to 671,164 years, 42 weeks, 1 day, 17 hours, 27 minutes, 28 seconds.
• To count from 1 to 21,107,864,885,248 would take you about one million, six hundred seventy-seven thousand, nine hundred twelve 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 21107864885248 cubic inches would be around 2303 feet tall.

Recreational maths with 21107864885248

• 21107864885248 backwards is 84258846870112
• 21107864885248 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21107864885248's digits is 64
• More coming soon!