21230482209920

Names of 21230482209920

• Cardinal: 21230482209920 can be written as Twenty-one trillion, two hundred thirty billion, four hundred eighty-two million, two hundred nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.123048220992 × 10¹³

Factors of 21230482209920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 173678881

Divisors of 21230482209920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 191 320 382 640 764 955 1528 1910 3056 3820 6112 7640 12224 15280 24448 30560 61120 122240 173678683 347357366 694714732 868393415 1389429464 1736786830 2778858928 3473573660 5557717856 6947147320 11115435712 13894294640 22230871424 27788589280 33172628453 55577178560 66345256906 111154357120 132690513812 165863142265 265381027624 331726284530 530762055248 663452569060 1061524110496 1326905138120 2123048220992 2653810276240 4246096441984 5307620552480 10615241104960 21230482209920
• Sum of all divisors σ(n): 51019850211840
• Sum of proper divisors (its aliquot sum) s(n): 29789368001920
• 21230482209920 is an abundant number, because the sum of its proper divisors (29789368001920) is greater than itself. Its abundance is 8558885792000

Bases of 21230482209920

• Binary: 100110100111100011011010110011011110010000000₂
• Hexadecimal: 0x134F1B59BC80
• Base-36: 7IX5CYB28

Squares and roots of 21230482209920

• 21230482209920 squared (21230482209920²) is 450733374865729606946406400
• 21230482209920 cubed (21230482209920³) is 9569286896504074888956715130074431488000
• The square root of 21230482209920 is 4607654.7407460989
• The cube root of 21230482209920 is 27689.8085381549

Scales and comparisons

• 21,230,482,209,920 seconds is equal to 675,063 years, 34 weeks, 3 days, 17 hours, 25 minutes, 20 seconds.
• To count from 1 to 21,230,482,209,920 would take you about one million, six hundred eighty-seven thousand, six hundred fifty-nine 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 21230482209920 cubic inches would be around 2307.5 feet tall.

Recreational maths with 21230482209920

• 21230482209920 backwards is 02990228403212
• The number of decimal digits it has is: 14
• The sum of 21230482209920's digits is 44
• More coming soon!