21363905577

Names of 21363905577

• Cardinal: 21363905577 can be written as Twenty-one billion, three hundred sixty-three million, nine hundred five thousand, five hundred seventy-seven.

Scientific notation

• Scientific notation: 2.1363905577 × 10¹⁰

Factors of 21363905577

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 132

Divisors of 21363905577

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 49 57 103 133 147 309 343 399 721 931 1029 1957 2163 2793 5047 5871 6517 10609 13699 15141 19551 31827 35329 41097 74263 95893 105987 201571 222789 287679 519841 604713 671251 1092727 1410997 1559523 2013753 3278181 3638887 4232991 7649089 9876979 10916661 20761813 22947267 29630937 53543623 62285439 69138853 145332691 160630869 207416559 374805361 435998073 1017328837 1124416083 3051986511 7121301859 21363905577
• Sum of all divisors σ(n): 35310080000
• Sum of proper divisors (its aliquot sum) s(n): 13946174423
• 21363905577 is a deficient number, because the sum of its proper divisors (13946174423) is less than itself. Its deficiency is 7417731154

Bases of 21363905577

• Binary: 10011111001011000110101010000101001₂
• Hexadecimal: 0x4F9635429
• Base-36: 9TBIN1L

Squares and roots of 21363905577

• 21363905577 squared (21363905577²) is 456416461502971702929
• 21363905577 cubed (21363905577³) is 9750838187337942966278050335033
• The square root of 21363905577 is 146163.9681214217
• The cube root of 21363905577 is 2774.7693156507

Scales and comparisons

• 21,363,905,577 seconds is equal to 679 years, 15 weeks, 6 days, 10 hours, 12 minutes, 57 seconds.
• To count from 1 to 21,363,905,577 would take you about one thousand, three hundred fifty-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 21363905577 cubic inches would be around 231.2 feet tall.

Recreational maths with 21363905577

• 21363905577 backwards is 77550936312
• The number of decimal digits it has is: 11
• The sum of 21363905577's digits is 48
• More coming soon!