21375198270

Names of 21375198270

• Cardinal: 21375198270 can be written as Twenty-one billion, three hundred seventy-five million, one hundred ninety-eight thousand, two hundred seventy.

Scientific notation

• Scientific notation: 2.137519827 × 10¹⁰

Factors of 21375198270

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15113

Divisors of 21375198270

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 67 79 90 134 135 158 201 237 270 335 395 402 474 603 670 711 790 1005 1185 1206 1422 1809 2010 2133 2370 3015 3555 3618 4266 5293 6030 7110 9045 10586 10665 14957 15879 18090 21330 26465 29914 31758 44871 47637 52930 74785 79395 89742 95274 134613 142911 149570 158790 224355 238185 269226 285822 403839 448710 476370 673065 714555 807678 1002119 1181603 1346130 1429110 2004238 2019195 2363206 3006357 3544809 4038390 5010595 5908015 6012714 7089618 9019071 10021190 10634427 11816030 15031785 17724045 18038142 21268854 27057213 30063570 31903281 35448090 45095355 53172135 54114426 63806562 79167401 90190710 106344270 135286065 158334802 159516405 237502203 270572130 319032810 395837005 475004406 712506609 791674010 1187511015 1425013218 2137519827 2375022030 3562533045 4275039654 7125066090 10687599135 21375198270
• Sum of all divisors σ(n): 58587494400
• Sum of proper divisors (its aliquot sum) s(n): 37212296130
• 21375198270 is an abundant number, because the sum of its proper divisors (37212296130) is greater than itself. Its abundance is 15837097860

Bases of 21375198270

• Binary: 10011111010000011111010010000111110₂
• Hexadecimal: 0x4FA0FA43E
• Base-36: 9TI8OJI

Squares and roots of 21375198270

• 21375198270 squared (21375198270²) is 456899101081810992900
• 21375198270 cubed (21375198270³) is 9766308875008481463903062283000
• The square root of 21375198270 is 146202.5932396549
• The cube root of 21375198270 is 2775.2581323061

Scales and comparisons

• 21,375,198,270 seconds is equal to 679 years, 34 weeks, 4 days, 3 hours, 4 minutes, 30 seconds.
• To count from 1 to 21,375,198,270 would take you about one thousand, three hundred fifty-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 21375198270 cubic inches would be around 231.3 feet tall.

Recreational maths with 21375198270

• 21375198270 backwards is 07289157312
• 21375198270 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21375198270's digits is 45
• More coming soon!