21448350540

Names of 21448350540

• Cardinal: 21448350540 can be written as Twenty-one billion, four hundred forty-eight million, three hundred fifty thousand, five hundred forty.

Scientific notation

• Scientific notation: 2.144835054 × 10¹⁰

Factors of 21448350540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5180794

Divisors of 21448350540

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 115 138 180 207 230 276 345 414 460 690 828 1035 1380 2070 4140 5180761 10361522 15542283 20723044 25903805 31084566 46626849 51807610 62169132 77711415 93253698 103615220 119157503 155422830 186507396 233134245 238315006 310845660 357472509 466268490 476630012 595787515 714945018 932536980 1072417527 1191575030 1429890036 1787362545 2144835054 2383150060 3574725090 4289670108 5362087635 7149450180 10724175270 21448350540
• Sum of all divisors σ(n): 67888705248
• Sum of proper divisors (its aliquot sum) s(n): 46440354708
• 21448350540 is an abundant number, because the sum of its proper divisors (46440354708) is greater than itself. Its abundance is 24992004168

Bases of 21448350540

• Binary: 10011111110011010111101101101001100₂
• Hexadecimal: 0x4FE6BDB4C
• Base-36: 9UPSL70

Squares and roots of 21448350540

• 21448350540 squared (21448350540²) is 460031740886718291600
• 21448350540 cubed (21448350540³) is 9866922038064784348466737464000
• The square root of 21448350540 is 146452.5538869159
• The cube root of 21448350540 is 2778.4204464801

Scales and comparisons

• 21,448,350,540 seconds is equal to 681 years, 51 weeks, 3 days, 19 hours, 9 minutes.
• To count from 1 to 21,448,350,540 would take you about one thousand, three hundred sixty-three 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 21448350540 cubic inches would be around 231.5 feet tall.

Recreational maths with 21448350540

• 21448350540 backwards is 04505384412
• 21448350540 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21448350540's digits is 36
• More coming soon!