21059720010

Names of 21059720010

• Cardinal: 21059720010 can be written as Twenty-one billion, fifty-nine million, seven hundred twenty thousand and ten.

Scientific notation

• Scientific notation: 2.105972001 × 10¹⁰

Factors of 21059720010

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6811

Divisors of 21059720010

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 2767 4027 5534 8054 8301 12081 13835 16602 19369 20135 24162 24903 27670 28189 36243 38738 40270 41505 49806 56378 58107 60405 72486 74709 83010 84567 96845 108729 116214 120810 124515 140945 149418 169134 174321 181215 193690 217458 249030 253701 281890 290535 348642 362430 373545 422835 507402 522963 543645 581070 747090 761103 845670 871605 1045926 1087290 1268505 1522206 1743210 2537010 2614815 3805515 5229630 7611030 11142709 22285418 33428127 55713545 66856254 77998963 100284381 111427090 155997926 167140635 200568762 233996889 300853143 334281270 389994815 467993778 501421905 601706286 701990667 779989630 1002843810 1169984445 1403981334 1504265715 2105972001 2339968890 3008531430 3509953335 4211944002 7019906670 10529860005 21059720010
• Sum of all divisors σ(n): 64221143040
• Sum of proper divisors (its aliquot sum) s(n): 43161423030
• 21059720010 is an abundant number, because the sum of its proper divisors (43161423030) is greater than itself. Its abundance is 22101703020

Bases of 21059720010

• Binary: 10011100111010000011101001101001010₂
• Hexadecimal: 0x4E741D34A
• Base-36: 9OAEVYI

Squares and roots of 21059720010

• 21059720010 squared (21059720010²) is 443511806899594400100
• 21059720010 cubed (21059720010³) is 9340234474434644248669916001000
• The square root of 21059720010 is 145119.6747860193
• The cube root of 21059720010 is 2761.5369865529

Scales and comparisons

• 21,059,720,010 seconds is equal to 669 years, 32 weeks, 6 days, 18 hours, 13 minutes, 30 seconds.
• To count from 1 to 21,059,720,010 would take you about one thousand, three hundred thirty-nine 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 21059720010 cubic inches would be around 230.1 feet tall.

Recreational maths with 21059720010

• 21059720010 backwards is 01002795012
• 21059720010 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21059720010's digits is 27
• More coming soon!