21467690464

Names of 21467690464

• Cardinal: 21467690464 can be written as Twenty-one billion, four hundred sixty-seven million, six hundred ninety thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1467690464 × 10¹⁰

Factors of 21467690464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1967391

Divisors of 21467690464

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 44 62 88 124 176 248 341 352 496 682 992 1364 2728 5456 10912 1967347 3934694 7869388 15738776 21640817 31477552 43281634 60987757 62955104 86563268 121975514 173126536 243951028 346253072 487902056 670865327 692506144 975804112 1341730654 1951608224 2683461308 5366922616 10733845232 21467690464
• Sum of all divisors σ(n): 47594082816
• Sum of proper divisors (its aliquot sum) s(n): 26126392352
• 21467690464 is an abundant number, because the sum of its proper divisors (26126392352) is greater than itself. Its abundance is 4658701888

Bases of 21467690464

• Binary: 10011111111100100101111010111100000₂
• Hexadecimal: 0x4FF92F5E0
• Base-36: 9V1B3Z4

Squares and roots of 21467690464

• 21467690464 squared (21467690464²) is 460861733858116535296
• 21467690464 cubed (21467690464³) is 9893637049168394273774658617344
• The square root of 21467690464 is 146518.5669599591
• The cube root of 21467690464 is 2779.2552938579

Scales and comparisons

• 21,467,690,464 seconds is equal to 682 years, 31 weeks, 3 days, 15 hours, 21 minutes, 4 seconds.
• To count from 1 to 21,467,690,464 would take you about one thousand, three hundred sixty-five 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 21467690464 cubic inches would be around 231.6 feet tall.

Recreational maths with 21467690464

• 21467690464 backwards is 46409676412
• The number of decimal digits it has is: 11
• The sum of 21467690464's digits is 49
• More coming soon!