42137820

Names of 42137820

• Cardinal: 42137820 can be written as Forty-two million, one hundred thirty-seven thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 4.213782 × 10⁷

Factors of 42137820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 66

Divisors of 42137820

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 37 38 45 54 57 60 74 76 81 90 95 108 111 114 135 148 162 171 180 185 190 222 228 270 285 324 333 342 370 380 405 444 513 540 555 570 666 684 703 740 810 855 999 1026 1110 1140 1332 1369 1406 1539 1620 1665 1710 1998 2052 2109 2220 2565 2738 2812 2997 3078 3330 3420 3515 3996 4107 4218 4995 5130 5476 5994 6156 6327 6660 6845 7030 7695 8214 8436 9990 10260 10545 11988 12321 12654 13690 14060 14985 15390 16428 18981 19980 20535 21090 24642 25308 26011 27380 29970 30780 31635 36963 37962 41070 42180 49284 52022 56943 59940 61605 63270 73926 75924 78033 82140 94905 104044 110889 113886 123210 126540 130055 147852 156066 184815 189810 221778 227772 234099 246420 260110 284715 312132 369630 379620 390165 443556 468198 520220 554445 569430 702297 739260 780330 936396 1108890 1138860 1170495 1404594 1560660 2106891 2217780 2340990 2809188 3511485 4213782 4681980 7022970 8427564 10534455 14045940 21068910 42137820
• Sum of all divisors σ(n): 143007480
• Sum of proper divisors (its aliquot sum) s(n): 100869660
• 42137820 is an abundant number, because the sum of its proper divisors (100869660) is greater than itself. Its abundance is 58731840

Bases of 42137820

• Binary: 10100000101111100011011100₂
• Hexadecimal: 0x282F8DC
• Base-36: P35R0

Squares and roots of 42137820

• 42137820 squared (42137820²) is 1775595874352400
• 42137820 cubed (42137820³) is 74819739346204047768000
• The square root of 42137820 is 6491.3650336427
• The cube root of 42137820 is 347.9824604715

Scales and comparisons

• 42,137,820 seconds is equal to 1 year, 17 weeks, 4 days, 16 hours, 57 minutes.
• To count from 1 to 42,137,820 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 42137820 cubic inches would be around 29 feet tall.

Recreational maths with 42137820

• 42137820 backwards is 02873124
• 42137820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42137820's digits is 27
• More coming soon!