21040145710

Names of 21040145710

• Cardinal: 21040145710 can be written as Twenty-one billion, forty million, one hundred forty-five thousand, seven hundred ten.

Scientific notation

• Scientific notation: 2.104014571 × 10¹⁰

Factors of 21040145710

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6421

Divisors of 21040145710

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 17 19 34 38 85 95 170 190 323 646 1277 1615 2554 3230 5101 6385 10202 12770 21709 24263 25505 43418 48526 51010 86717 96919 108545 121315 173434 193838 217090 242630 412471 433585 484595 824942 867170 969190 1647623 2062355 3295246 4124710 6513977 8238115 13027954 16476230 32569885 65139770 110737609 123765563 221475218 247531126 553688045 618827815 1107376090 1237655630 2104014571 4208029142 10520072855 21040145710
• Sum of all divisors σ(n): 42251906880
• Sum of proper divisors (its aliquot sum) s(n): 21211761170
• 21040145710 is an abundant number, because the sum of its proper divisors (21211761170) is greater than itself. Its abundance is 171615460

Bases of 21040145710

• Binary: 10011100110000101110010010100101110₂
• Hexadecimal: 0x4E617252E
• Base-36: 9NYRCBY

Squares and roots of 21040145710

• 21040145710 squared (21040145710²) is 442687731498031404100
• 21040145710 cubed (21040145710³) is 9314214374747937320419891411000
• The square root of 21040145710 is 145052.2171840197
• The cube root of 21040145710 is 2760.6811361499

Scales and comparisons

• 21,040,145,710 seconds is equal to 669 years, 4 days, 4 hours, 55 minutes, 10 seconds.
• To count from 1 to 21,040,145,710 would take you about one thousand, three hundred thirty-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 21040145710 cubic inches would be around 230.1 feet tall.

Recreational maths with 21040145710

• 21040145710 backwards is 01754104012
• The number of decimal digits it has is: 11
• The sum of 21040145710's digits is 25
• More coming soon!