21362438832

Names of 21362438832

• Cardinal: 21362438832 can be written as Twenty-one billion, three hundred sixty-two million, four hundred thirty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1362438832 × 10¹⁰

Factors of 21362438832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 63578699

Divisors of 21362438832

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 63578687 127157374 190736061 254314748 381472122 445050809 508629496 762944244 890101618 1017258992 1335152427 1525888488 1780203236 2670304854 3051776976 3560406472 5340609708 7120812944 10681219416 21362438832
• Sum of all divisors σ(n): 63070058496
• Sum of proper divisors (its aliquot sum) s(n): 41707619664
• 21362438832 is an abundant number, because the sum of its proper divisors (41707619664) is greater than itself. Its abundance is 20345180832

Bases of 21362438832

• Binary: 10011111001010011001111001010110000₂
• Hexadecimal: 0x4F94CF2B0
• Base-36: 9TAN7AO

Squares and roots of 21362438832

• 21362438832 squared (21362438832²) is 456353792850941524224
• 21362438832 cubed (21362438832³) is 9748829985529437204844046266368
• The square root of 21362438832 is 146158.9505709451
• The cube root of 21362438832 is 2774.7058133391

Scales and comparisons

• 21,362,438,832 seconds is equal to 679 years, 13 weeks, 3 days, 10 hours, 47 minutes, 12 seconds.
• To count from 1 to 21,362,438,832 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 21362438832 cubic inches would be around 231.2 feet tall.

Recreational maths with 21362438832

• 21362438832 backwards is 23883426312
• 21362438832 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21362438832's digits is 42
• More coming soon!