21642688744216012

Names of 21642688744216012

• Cardinal: 21642688744216012 can be written as Twenty-one quadrillion, six hundred forty-two trillion, six hundred eighty-eight billion, seven hundred forty-four million, two hundred sixteen thousand and twelve.

Scientific notation

• Scientific notation: 2.1642688744216012 × 10¹⁶

Factors of 21642688744216012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2934860

Divisors of 21642688744216012

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 11 22 44 1637 3274 6548 18007 36014 72028 106291 212582 425164 1169201 2338402 2826919 4676804 5653838 11307676 31096109 62192218 124384436 173998367 347996734 695993468 1913982037 3827964074 4627666403 7655928148 9255332806 18510665612 50904330433 101808660866 203617321732 300476047429 600952094858 1201904189716 3305236521719 6610473043438 13220946086876 491879289641273 983758579282546 1967517158565092 5410672186054003 10821344372108006 21642688744216012
• Sum of all divisors σ(n): 41343503904218880
• Sum of proper divisors (its aliquot sum) s(n): 19700815160002868
• 21642688744216012 is a deficient number, because the sum of its proper divisors (19700815160002868) is less than itself. Its deficiency is 1941873584213144

Bases of 21642688744216012

• Binary: 1001100111000111110100100100110100101010101010111001100₂
• Hexadecimal: 0x4CE3E9269555CC
• Base-36: 5X3OXY8N4CS

Squares and roots of 21642688744216012

• 21642688744216012 squared (21642688744216012²) is 468405976079014458497984517184144
• 21642688744216012 cubed (21642688744216012³) is 10137564746208800787252364727956614555601117313728
• The square root of 21642688744216012 is 147114542.9392213827
• The cube root of 21642688744216012 is 278678.6755808187

Scales and comparisons

• 21,642,688,744,216,012 seconds is equal to 688,170,556 years, 43 weeks, 2 days, 16 hours, 26 minutes, 52 seconds.
• To count from 1 to 21,642,688,744,216,012 would take you about two billion, sixty-four million, five hundred eleven thousand, six hundred seventy 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 21642688744216012 cubic inches would be around 23223.2 feet tall.

Recreational maths with 21642688744216012

• 21642688744216012 backwards is 21061244788624612
• The number of decimal digits it has is: 17
• The sum of 21642688744216012's digits is 64
• More coming soon!