42153720

Names of 42153720

• Cardinal: 42153720 can be written as Forty-two million, one hundred fifty-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.215372 × 10⁷

Factors of 42153720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 191

Divisors of 42153720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 67 70 84 98 105 107 120 134 140 147 168 196 201 210 214 245 268 280 294 321 335 392 402 420 428 469 490 535 536 588 642 670 735 749 804 840 856 938 980 1005 1070 1176 1284 1340 1407 1470 1498 1605 1608 1876 1960 2010 2140 2247 2345 2568 2680 2814 2940 2996 3210 3283 3745 3752 4020 4280 4494 4690 5243 5628 5880 5992 6420 6566 7035 7169 7490 8040 8988 9380 9849 10486 11235 11256 12840 13132 14070 14338 14980 15729 16415 17976 18760 19698 20972 21507 22470 26215 26264 28140 28676 29960 31458 32830 35845 39396 41944 43014 44940 49245 50183 52430 56280 57352 62916 65660 71690 78645 78792 86028 89880 98490 100366 104860 107535 125832 131320 143380 150549 157290 172056 196980 200732 209720 215070 250915 286760 301098 314580 351281 393960 401464 430140 501830 602196 629160 702562 752745 860280 1003660 1053843 1204392 1405124 1505490 1756405 2007320 2107686 2810248 3010980 3512810 4215372 5269215 6021960 7025620 8430744 10538430 14051240 21076860 42153720
• Sum of all divisors σ(n): 150698880
• Sum of proper divisors (its aliquot sum) s(n): 108545160
• 42153720 is an abundant number, because the sum of its proper divisors (108545160) is greater than itself. Its abundance is 66391440

Bases of 42153720

• Binary: 10100000110011011011111000₂
• Hexadecimal: 0x28336F8
• Base-36: P3I0O

Squares and roots of 42153720

• 42153720 squared (42153720²) is 1776936109838400
• 42153720 cubed (42153720³) is 74904467232017158848000
• The square root of 42153720 is 6492.5896220229
• The cube root of 42153720 is 348.0262234169

Scales and comparisons

• 42,153,720 seconds is equal to 1 year, 17 weeks, 4 days, 21 hours, 22 minutes.
• To count from 1 to 42,153,720 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 42153720 cubic inches would be around 29 feet tall.

Recreational maths with 42153720

• 42153720 backwards is 02735124
• 42153720 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42153720's digits is 24
• More coming soon!