21382115352

Names of 21382115352

• Cardinal: 21382115352 can be written as Twenty-one billion, three hundred eighty-two million, one hundred fifteen thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1382115352 × 10¹⁰

Factors of 21382115352

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 236

Divisors of 21382115352

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 52 78 79 104 139 156 158 237 278 312 316 417 474 556 632 834 948 1027 1112 1668 1807 1896 2054 3081 3336 3614 4108 5421 6162 6241 7228 8216 10842 10981 12324 12482 14456 18723 21684 21962 24648 24964 32943 37446 43368 43924 49928 65886 74892 81133 87848 131772 142753 149784 162266 243399 263544 285506 324532 428259 486798 493039 571012 649064 856518 867499 973596 986078 1142024 1479117 1713036 1734998 1947192 1972156 2602497 2958234 3426072 3469996 3944312 5204994 5916468 6409507 6939992 10409988 11277487 11832936 12819014 19228521 20819976 22554974 25638028 33832461 38457042 45109948 51276056 67664922 68532421 76914084 90219896 135329844 137064842 153828168 205597263 270659688 274129684 411194526 548259368 822389052 890921473 1644778104 1781842946 2672764419 3563685892 5345528838 7127371784 10691057676 21382115352
• Sum of all divisors σ(n): 58724736000
• Sum of proper divisors (its aliquot sum) s(n): 37342620648
• 21382115352 is an abundant number, because the sum of its proper divisors (37342620648) is greater than itself. Its abundance is 15960505296

Bases of 21382115352

• Binary: 10011111010011110010011000000011000₂
• Hexadecimal: 0x4FA793018
• Base-36: 9TMCXSO

Squares and roots of 21382115352

• 21382115352 squared (21382115352²) is 457194856926234083904
• 21382115352 cubed (21382115352³) is 9775793169137873336989374494208
• The square root of 21382115352 is 146226.2471377829
• The cube root of 21382115352 is 2775.5574608005

Scales and comparisons

• 21,382,115,352 seconds is equal to 679 years, 46 weeks, 4 hours, 29 minutes, 12 seconds.
• To count from 1 to 21,382,115,352 would take you about one thousand, three 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 21382115352 cubic inches would be around 231.3 feet tall.

Recreational maths with 21382115352

• 21382115352 backwards is 25351128312
• The number of decimal digits it has is: 11
• The sum of 21382115352's digits is 33
• More coming soon!