21125288705984000

Names of 21125288705984000

• Cardinal: 21125288705984000 can be written as Twenty-one quadrillion, one hundred twenty-five trillion, two hundred eighty-eight billion, seven hundred five million, nine hundred eighty-four thousand.

Scientific notation

• Scientific notation: 2.1125288705984 × 10¹⁶

Factors of 21125288705984000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6918

Divisors of 21125288705984000

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1280 1600 2000 2560 3200 4000 6400 6911 8000 12800 13822 16000 27644 32000 34555 55288 64000 69110 110576 138220 172775 221152 276440 345550 442304 552880 691100 863875 884608 1105760 1382200 1727750 1769216 2211520 2764400 3455500 3538432 4423040 5528800 6911000 8846080 11057600 13822000 17692160 22115200 27644000 44230400 47761921 55288000 88460800 95523842 110576000 191047684 221152000 238809605 382095368 442304000 477619210 764190736 955238420 1194048025 1528381472 1910476840 2388096050 3056762944 3820953680 4776192100 5970240125 6113525888 7641907360 9552384200 11940480250 12227051776 15283814720 19104768400 23880960500 24454103552 30567629440 38209536800 47761921000 61135258880 76419073600 95523842000 122270517760 152838147200 191047684000 305676294400 382095368000 611352588800 764190736000 1528381472000 3056762944000
• Sum of all divisors σ(n): 21129855275560804
• Sum of proper divisors (its aliquot sum) s(n): 4566569576804
• 21125288705984000 is a deficient number, because the sum of its proper divisors (4566569576804) is less than itself. Its deficiency is 21120722136407196

Bases of 21125288705984000

• Binary: 1001011000011010101011010010001000110010000011000000000₂
• Hexadecimal: 0x4B0D5691190600
• Base-36: 5S0AFNKR2M8

Squares and roots of 21125288705984000

• 21125288705984000 squared (21125288705984000²) is 446277822911175145197408256000000
• 21125288705984000 cubed (21125288705984000³) is 9427747852076575890860139968624798203904000000000
• The square root of 21125288705984000 is 145345411.7128710739
• 21125288705984000 is a perfect cube number. Its cube root is 276440

Scales and comparisons

• 21,125,288,705,984,000 seconds is equal to 671,718,836 years, 2 weeks, 1 day, 6 hours, 13 minutes, 20 seconds.
• To count from 1 to 21,125,288,705,984,000 would take you about two billion, fifteen million, one hundred fifty-six thousand, five hundred 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 21125288705984000 cubic inches would be around 23036.7 feet tall.

Recreational maths with 21125288705984000

• 21125288705984000 backwards is 00048950788252112
• The number of decimal digits it has is: 17
• The sum of 21125288705984000's digits is 62
• More coming soon!