21007131797400

Names of 21007131797400

• Cardinal: 21007131797400 can be written as Twenty-one trillion, seven billion, one hundred thirty-one million, seven hundred ninety-seven thousand, four hundred.

Scientific notation

• Scientific notation: 2.10071317974 × 10¹³

Factors of 21007131797400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5001698064

Divisors of 21007131797400

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 140 150 168 175 200 210 280 300 350 420 525 600 700 840 1050 1400 2100 4200 5001698047 10003396094 15005094141 20006792188 25008490235 30010188282 35011886329 40013584376 50016980470 60020376564 70023772658 75025470705 100033960940 105035658987 120040753128 125042451175 140047545316 150050941410 175059431645 200067921880 210071317974 250084902350 280095090632 300101882820 350118863290 375127353525 420142635948 500169804700 525178294935 600203765640 700237726580 750254707050 840285271896 875297158225 1000339609400 1050356589870 1400475453160 1500509414100 1750594316450 2100713179740 2625891474675 3001018828200 3501188632900 4201426359480 5251782949350 7002377265800 10503565898700 21007131797400
• Sum of all divisors σ(n): 74425266954240
• Sum of proper divisors (its aliquot sum) s(n): 53418135156840
• 21007131797400 is an abundant number, because the sum of its proper divisors (53418135156840) is greater than itself. Its abundance is 32411003359440

Bases of 21007131797400

• Binary: 100110001101100011010101000001110011110011000₂
• Hexadecimal: 0x131B1AA0E798
• Base-36: 7G2JJVTSO

Squares and roots of 21007131797400

• 21007131797400 squared (21007131797400²) is 441299586353334154646760000
• 21007131797400 cubed (21007131797400³) is 9270438572662593031587400960886424000000
• The square root of 21007131797400 is 4583353.7717920051
• The cube root of 21007131797400 is 27592.3645989371

Scales and comparisons

• 21,007,131,797,400 seconds is equal to 667,961 years, 42 weeks, 1 day, 12 hours, 10 minutes.
• To count from 1 to 21,007,131,797,400 would take you about one million, six hundred sixty-nine thousand, nine 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 21007131797400 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21007131797400

• 21007131797400 backwards is 00479713170012
• 21007131797400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21007131797400's digits is 42
• More coming soon!