42939960

Names of 42939960

• Cardinal: 42939960 can be written as Forty-two million, nine hundred thirty-nine thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 4.293996 × 10⁷

Factors of 42939960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 162

Divisors of 42939960

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 17 20 21 24 28 30 31 34 35 40 42 51 56 60 62 68 70 84 85 93 97 102 105 119 120 124 136 140 155 168 170 186 194 204 210 217 238 248 255 280 291 310 340 357 372 388 408 420 434 465 476 485 510 527 582 595 620 651 679 680 714 744 776 840 868 930 952 970 1020 1054 1085 1164 1190 1240 1302 1358 1428 1455 1581 1649 1736 1785 1860 1940 2037 2040 2108 2170 2328 2380 2604 2635 2716 2856 2910 3007 3162 3255 3298 3395 3570 3689 3720 3880 4074 4216 4340 4760 4947 5208 5270 5432 5820 6014 6324 6510 6596 6790 7140 7378 7905 8148 8245 8680 9021 9894 10185 10540 11067 11543 11640 12028 12648 13020 13192 13580 14280 14756 15035 15810 16296 16490 18042 18445 19788 20370 21049 21080 22134 23086 24056 24735 26040 27160 29512 30070 31620 32980 34629 36084 36890 39576 40740 42098 44268 45105 46172 49470 51119 55335 57715 60140 63147 63240 65960 69258 72168 73780 81480 84196 88536 90210 92344 98940 102238 105245 110670 115430 120280 126294 138516 147560 153357 168392 173145 180420 197880 204476 210490 221340 230860 252588 255595 277032 306714 315735 346290 357833 360840 408952 420980 442680 461720 505176 511190 613428 631470 692580 715666 766785 841960 1022380 1073499 1226856 1262940 1385160 1431332 1533570 1789165 2044760 2146998 2525880 2862664 3067140 3578330 4293996 5367495 6134280 7156660 8587992 10734990 14313320 21469980 42939960
• Sum of all divisors σ(n): 162570240
• Sum of proper divisors (its aliquot sum) s(n): 119630280
• 42939960 is an abundant number, because the sum of its proper divisors (119630280) is greater than itself. Its abundance is 76690320

Bases of 42939960

• Binary: 10100011110011011000111000₂
• Hexadecimal: 0x28F3638
• Base-36: PKCOO

Squares and roots of 42939960

• 42939960 squared (42939960²) is 1843840164801600
• 42939960 cubed (42939960³) is 79174422922974111936000
• The square root of 42939960 is 6552.8589180601
• The cube root of 42939960 is 350.1766727091

Scales and comparisons

• 42,939,960 seconds is equal to 1 year, 18 weeks, 6 days, 23 hours, 46 minutes.
• To count from 1 to 42,939,960 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 42939960 cubic inches would be around 29.2 feet tall.

Recreational maths with 42939960

• 42939960 backwards is 06993924
• 42939960 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42939960's digits is 42
• More coming soon!