42997968

Names of 42997968

• Cardinal: 42997968 can be written as Forty-two million, nine hundred ninety-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 4.2997968 × 10⁷

Factors of 42997968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 344

Divisors of 42997968

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 103 104 117 144 156 206 208 223 234 309 312 412 446 468 618 624 669 824 892 927 936 1236 1338 1339 1648 1784 1854 1872 2007 2472 2676 2678 2899 3568 3708 4014 4017 4944 5352 5356 5798 7416 8028 8034 8697 10704 10712 11596 12051 14832 16056 16068 17394 21424 22969 23192 24102 26091 32112 32136 34788 45938 46384 48204 52182 64272 68907 69576 91876 96408 104364 137814 139152 183752 192816 206721 208728 275628 298597 367504 413442 417456 551256 597194 826884 895791 1102512 1194388 1653768 1791582 2388776 2687373 3307536 3583164 4777552 5374746 7166328 10749492 14332656 21498984 42997968
• Sum of all divisors σ(n): 131436032
• Sum of proper divisors (its aliquot sum) s(n): 88438064
• 42997968 is an abundant number, because the sum of its proper divisors (88438064) is greater than itself. Its abundance is 45440096

Bases of 42997968

• Binary: 10100100000001100011010000₂
• Hexadecimal: 0x29018D0
• Base-36: PLLG0

Squares and roots of 42997968

• 42997968 squared (42997968²) is 1848825252129024
• 42997968 cubed (42997968³) is 79495729028635705823232
• The square root of 42997968 is 6557.2835839239
• The cube root of 42997968 is 350.3342874209

Scales and comparisons

• 42,997,968 seconds is equal to 1 year, 19 weeks, 15 hours, 52 minutes, 48 seconds.
• To count from 1 to 42,997,968 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 42997968 cubic inches would be around 29.2 feet tall.

Recreational maths with 42997968

• 42997968 backwards is 86979924
• The number of decimal digits it has is: 8
• The sum of 42997968's digits is 54
• More coming soon!