21333180015

Names of 21333180015

• Cardinal: 21333180015 can be written as Twenty-one billion, three hundred thirty-three million, one hundred eighty thousand and fifteen.

Scientific notation

• Scientific notation: 2.1333180015 × 10¹⁰

Factors of 21333180015

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2727

Divisors of 21333180015

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 63 105 163 315 489 815 1141 1467 2445 2549 3423 5705 7335 7647 10269 12745 17115 17843 22941 26569 38235 51345 53529 79707 89215 114705 132845 160587 185983 239121 267645 398535 415487 557949 802935 929915 1195605 1246461 1673847 2077435 2789745 2908409 3739383 6232305 8369235 8725227 14542045 18696915 26175681 43626135 67724381 130878405 203173143 338621905 474070667 609519429 1015865715 1422212001 2370353335 3047597145 4266636003 7111060005 21333180015
• Sum of all divisors σ(n): 42537549600
• Sum of proper divisors (its aliquot sum) s(n): 21204369585
• 21333180015 is a deficient number, because the sum of its proper divisors (21204369585) is less than itself. Its deficiency is 128810430

Bases of 21333180015

• Binary: 10011110111100011100111111001101111₂
• Hexadecimal: 0x4F78E7E6F
• Base-36: 9ST831R

Squares and roots of 21333180015

• 21333180015 squared (21333180015²) is 455104569552395400225
• 21333180015 cubed (21333180015³) is 9708827707910339047457896503375
• The square root of 21333180015 is 146058.8238176661
• The cube root of 21333180015 is 2773.4384533245

Scales and comparisons

• 21,333,180,015 seconds is equal to 678 years, 17 weeks, 19 hours, 20 minutes, 15 seconds.
• To count from 1 to 21,333,180,015 would take you about one thousand, three hundred fifty-six 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 21333180015 cubic inches would be around 231.1 feet tall.

Recreational maths with 21333180015

• 21333180015 backwards is 51008133312
• The number of decimal digits it has is: 11
• The sum of 21333180015's digits is 27
• More coming soon!