21301801311

Names of 21301801311

• Cardinal: 21301801311 can be written as Twenty-one billion, three hundred one million, eight hundred one thousand, three hundred eleven.

Scientific notation

• Scientific notation: 2.1301801311 × 10¹⁰

Factors of 21301801311

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10075

Divisors of 21301801311

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 31 49 67 93 147 201 217 343 469 651 1029 1407 1519 2077 3283 4557 6231 9849 9967 10633 14539 22981 29901 31899 43617 68943 69769 101773 209307 305319 308977 488383 667789 712411 926931 1465149 2003367 2137233 2162839 3418681 4674523 6488517 10256043 14023569 15139873 20701459 32721661 45419619 62104377 98164983 105979111 144910213 229051627 317937333 434730639 687154881 1014371491 3043114473 7100600437 21301801311
• Sum of all divisors σ(n): 34704588800
• Sum of proper divisors (its aliquot sum) s(n): 13402787489
• 21301801311 is a deficient number, because the sum of its proper divisors (13402787489) is less than itself. Its deficiency is 7899013822

Bases of 21301801311

• Binary: 10011110101101011111011000101011111₂
• Hexadecimal: 0x4F5AFB15F
• Base-36: 9SAJJ33

Squares and roots of 21301801311

• 21301801311 squared (21301801311²) is 453766739093321318721
• 21301801311 cubed (21301801311³) is 9666048917706307018475246643231
• The square root of 21301801311 is 145951.3662525979
• The cube root of 21301801311 is 2772.0779809203

Scales and comparisons

• 21,301,801,311 seconds is equal to 677 years, 17 weeks, 1 day, 15 hours, 1 minute, 51 seconds.
• To count from 1 to 21,301,801,311 would take you about one thousand, three hundred fifty-four 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 21301801311 cubic inches would be around 231 feet tall.

Recreational maths with 21301801311

• 21301801311 backwards is 11310810312
• 21301801311 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21301801311's digits is 21
• More coming soon!