42907968

Names of 42907968

• Cardinal: 42907968 can be written as Forty-two million, nine hundred seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 4.2907968 × 10⁷

Factors of 42907968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 125

Divisors of 42907968

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 81 89 93 96 108 124 144 162 178 186 192 216 243 248 267 279 288 324 356 372 432 486 496 534 558 576 648 712 744 801 837 864 972 992 1068 1116 1296 1424 1488 1602 1674 1728 1944 1984 2136 2232 2403 2511 2592 2759 2848 2976 3204 3348 3888 4272 4464 4806 5022 5184 5518 5696 5952 6408 6696 7209 7533 7776 8277 8544 8928 9612 10044 11036 12816 13392 14418 15066 15552 16554 17088 17856 19224 20088 21627 22072 24831 25632 26784 28836 30132 33108 38448 40176 43254 44144 49662 51264 53568 57672 60264 66216 74493 76896 80352 86508 88288 99324 115344 120528 132432 148986 153792 160704 173016 176576 198648 223479 230688 241056 264864 297972 346032 397296 446958 461376 482112 529728 595944 670437 692064 794592 893916 1191888 1340874 1384128 1589184 1787832 2383776 2681748 3575664 4767552 5363496 7151328 10726992 14302656 21453984 42907968
• Sum of all divisors σ(n): 133136640
• Sum of proper divisors (its aliquot sum) s(n): 90228672
• 42907968 is an abundant number, because the sum of its proper divisors (90228672) is greater than itself. Its abundance is 47320704

Bases of 42907968

• Binary: 10100011101011100101000000₂
• Hexadecimal: 0x28EB940
• Base-36: PJO00

Squares and roots of 42907968

• 42907968 squared (42907968²) is 1841093717889024
• 42907968 cubed (42907968³) is 78997590332183269343232
• The square root of 42907968 is 6550.4173912813
• The cube root of 42907968 is 350.0896858599

Scales and comparisons

• 42,907,968 seconds is equal to 1 year, 18 weeks, 6 days, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 42,907,968 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 42907968 cubic inches would be around 29.2 feet tall.

Recreational maths with 42907968

• 42907968 backwards is 86970924
• The number of decimal digits it has is: 8
• The sum of 42907968's digits is 45
• More coming soon!