42139328

Names of 42139328

• Cardinal: 42139328 can be written as Forty-two million, one hundred thirty-nine thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2139328 × 10⁷

Factors of 42139328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 540

Divisors of 42139328

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 32 34 44 56 64 68 77 88 112 119 136 154 176 187 224 238 272 308 352 374 448 476 503 544 616 704 748 952 1006 1088 1232 1309 1496 1904 2012 2464 2618 2992 3521 3808 4024 4928 5236 5533 5984 7042 7616 8048 8551 10472 11066 11968 14084 16096 17102 20944 22132 28168 32192 34204 38731 41888 44264 56336 59857 68408 77462 83776 88528 94061 112672 119714 136816 154924 177056 188122 225344 239428 273632 309848 354112 376244 478856 547264 619696 658427 752488 957712 1239392 1316854 1504976 1915424 2478784 2633708 3009952 3830848 5267416 6019904 10534832 21069664 42139328
• Sum of all divisors σ(n): 110605824
• Sum of proper divisors (its aliquot sum) s(n): 68466496
• 42139328 is an abundant number, because the sum of its proper divisors (68466496) is greater than itself. Its abundance is 26327168

Bases of 42139328

• Binary: 10100000101111111011000000₂
• Hexadecimal: 0x282FEC0
• Base-36: P36WW

Squares and roots of 42139328

• 42139328 squared (42139328²) is 1775722964291584
• 42139328 cubed (42139328³) is 74827772429415345815552
• The square root of 42139328 is 6491.4811869097
• The cube root of 42139328 is 347.9866115429

Scales and comparisons

• 42,139,328 seconds is equal to 1 year, 17 weeks, 4 days, 17 hours, 22 minutes, 8 seconds.
• To count from 1 to 42,139,328 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 42139328 cubic inches would be around 29 feet tall.

Recreational maths with 42139328

• 42139328 backwards is 82393124
• 42139328 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42139328's digits is 32
• More coming soon!