21948037664

Names of 21948037664

• Cardinal: 21948037664 can be written as Twenty-one billion, nine hundred forty-eight million, thirty-seven thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1948037664 × 10¹⁰

Factors of 21948037664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3809

Divisors of 21948037664

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 343 392 631 686 784 1262 1372 1568 2524 2744 3169 4417 5048 5488 6338 8834 10096 10976 12676 17668 20192 22183 25352 30919 35336 44366 50704 61838 70672 88732 101408 123676 141344 155281 177464 216433 247352 310562 354928 432866 494704 621124 709856 865732 989408 1086967 1242248 1731464 1999639 2173934 2484496 3462928 3999278 4347868 4968992 6925856 7998556 8695736 13997473 15997112 17391472 27994946 31994224 34782944 55989892 63988448 97982311 111979784 195964622 223959568 391929244 447919136 685876177 783858488 1371752354 1567716976 2743504708 3135433952 5487009416 10974018832 21948037664
• Sum of all divisors σ(n): 50486688000
• Sum of proper divisors (its aliquot sum) s(n): 28538650336
• 21948037664 is an abundant number, because the sum of its proper divisors (28538650336) is greater than itself. Its abundance is 6590612672

Bases of 21948037664

• Binary: 10100011100001101000111101000100000₂
• Hexadecimal: 0x51C347A20
• Base-36: A2ZAM8W

Squares and roots of 21948037664

• 21948037664 squared (21948037664²) is 481716357300362576896
• 21948037664 cubed (21948037664³) is 10572728753393239198569504210944
• The square root of 21948037664 is 148148.7011890419
• The cube root of 21948037664 is 2799.8315231963

Scales and comparisons

• 21,948,037,664 seconds is equal to 697 years, 45 weeks, 5 days, 5 hours, 7 minutes, 44 seconds.
• To count from 1 to 21,948,037,664 would take you about one thousand, three hundred ninety-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 21948037664 cubic inches would be around 233.3 feet tall.

Recreational maths with 21948037664

• 21948037664 backwards is 46673084912
• The number of decimal digits it has is: 11
• The sum of 21948037664's digits is 50
• More coming soon!