21120904683456

Names of 21120904683456

• Cardinal: 21120904683456 can be written as Twenty-one trillion, one hundred twenty billion, nine hundred four million, six hundred eighty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1120904683456 × 10¹³

Factors of 21120904683456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 738286811

Divisors of 21120904683456

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 149 192 298 447 596 894 1192 1788 2384 3576 4768 7152 9536 14304 28608 738286657 1476573314 2214859971 2953146628 4429719942 5906293256 8859439884 11812586512 17718879768 23625173024 35437759536 47250346048 70875519072 110004711893 141751038144 220009423786 330014135679 440018847572 660028271358 880037695144 1320056542716 1760075390288 2640113085432 3520150780576 5280226170864 7040301561152 10560452341728 21120904683456
• Sum of all divisors σ(n): 56257443339600
• Sum of proper divisors (its aliquot sum) s(n): 35136538656144
• 21120904683456 is an abundant number, because the sum of its proper divisors (35136538656144) is greater than itself. Its abundance is 14015633972688

Bases of 21120904683456

• Binary: 100110011010110011000000001010101111111000000₂
• Hexadecimal: 0x133598055FC0
• Base-36: 7HIT5BMIO

Squares and roots of 21120904683456

• 21120904683456 squared (21120904683456²) is 446092614647633595560103936
• 21120904683456 cubed (21120904683456³) is 9421879593966337035612848149404539682816
• The square root of 21120904683456 is 4595748.5444110191
• The cube root of 21120904683456 is 27642.0875953167

Scales and comparisons

• 21,120,904,683,456 seconds is equal to 671,579 years, 22 weeks, 5 days, 7 hours, 37 minutes, 36 seconds.
• To count from 1 to 21,120,904,683,456 would take you about one million, six hundred seventy-eight thousand, nine hundred forty-eight 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 21120904683456 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21120904683456

• 21120904683456 backwards is 65438640902112
• The number of decimal digits it has is: 14
• The sum of 21120904683456's digits is 51
• More coming soon!