21133988005

Names of 21133988005

• Cardinal: 21133988005 can be written as Twenty-one billion, one hundred thirty-three million, nine hundred eighty-eight thousand and five.

Scientific notation

• Scientific notation: 2.1133988005 × 10¹⁰

Factors of 21133988005

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 242

Divisors of 21133988005

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 13 17 37 65 73 85 97 185 221 365 481 485 629 949 1105 1241 1261 1649 2405 2701 3145 3589 4745 5329 6205 6305 7081 8177 8245 13505 16133 17945 21437 26645 35113 35405 40885 45917 46657 61013 69277 80665 90593 92053 107185 120377 175565 197173 229585 233285 261997 305065 346385 452965 460265 516913 596921 601885 793169 985865 1177709 1309985 1564901 2563249 2584565 2984605 3351941 3405961 3965845 4453949 5888545 6719869 7824505 8787521 12816245 16759705 17029805 19125781 22269745 33599345 43575233 43937605 57901337 95628905 114237773 217876165 248635153 289506685 325138277 571188865 1243175765 1625691385 4226797601 21133988005
• Sum of all divisors σ(n): 30422607264
• Sum of proper divisors (its aliquot sum) s(n): 9288619259
• 21133988005 is a deficient number, because the sum of its proper divisors (9288619259) is less than itself. Its deficiency is 11845368746

Bases of 21133988005

• Binary: 10011101011101011110001000010100101₂
• Hexadecimal: 0x4EBAF10A5
• Base-36: 9PIMPID

Squares and roots of 21133988005

• 21133988005 squared (21133988005²) is 446645448995483880025
• 21133988005 cubed (21133988005³) is 9439399561558395619619209100125
• The square root of 21133988005 is 145375.3349265273
• The cube root of 21133988005 is 2764.7794037609

Scales and comparisons

• 21,133,988,005 seconds is equal to 671 years, 51 weeks, 5 days, 8 hours, 13 minutes, 25 seconds.
• To count from 1 to 21,133,988,005 would take you about one thousand, three hundred forty-three 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 21133988005 cubic inches would be around 230.4 feet tall.

Recreational maths with 21133988005

• 21133988005 backwards is 50088933112
• The number of decimal digits it has is: 11
• The sum of 21133988005's digits is 40
• More coming soon!