42216440

Names of 42216440

• Cardinal: 42216440 can be written as Forty-two million, two hundred sixteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 4.221644 × 10⁷

Factors of 42216440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 212

Divisors of 42216440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 49 56 68 70 85 98 119 136 140 170 181 196 238 245 280 340 343 362 392 476 490 595 680 686 724 833 905 952 980 1190 1267 1372 1448 1666 1715 1810 1960 2380 2534 2744 3077 3332 3430 3620 4165 4760 5068 5831 6154 6335 6664 6860 7240 8330 8869 10136 11662 12308 12670 13720 15385 16660 17738 21539 23324 24616 25340 29155 30770 33320 35476 43078 44345 46648 50680 58310 61540 62083 70952 86156 88690 107695 116620 123080 124166 150773 172312 177380 215390 233240 248332 301546 310415 354760 430780 496664 603092 620830 753865 861560 1055411 1206184 1241660 1507730 2110822 2483320 3015460 4221644 5277055 6030920 8443288 10554110 21108220 42216440
• Sum of all divisors σ(n): 117936000
• Sum of proper divisors (its aliquot sum) s(n): 75719560
• 42216440 is an abundant number, because the sum of its proper divisors (75719560) is greater than itself. Its abundance is 33503120

Bases of 42216440

• Binary: 10100001000010101111111000₂
• Hexadecimal: 0x2842BF8
• Base-36: P4UEW

Squares and roots of 42216440

• 42216440 squared (42216440²) is 1782227806273600
• 42216440 cubed (42216440³) is 75239313249881057984000
• The square root of 42216440 is 6497.4179486931
• The cube root of 42216440 is 348.1987458555

Scales and comparisons

• 42,216,440 seconds is equal to 1 year, 17 weeks, 5 days, 14 hours, 47 minutes, 20 seconds.
• To count from 1 to 42,216,440 would take you about two 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 42216440 cubic inches would be around 29 feet tall.

Recreational maths with 42216440

• 42216440 backwards is 04461224
• The number of decimal digits it has is: 8
• The sum of 42216440's digits is 23
• More coming soon!