40801968

Names of 40801968

• Cardinal: 40801968 can be written as Forty million, eight hundred one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0801968 × 10⁷

Factors of 40801968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1681

Divisors of 40801968

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 81 108 114 144 152 162 171 216 228 304 324 342 432 456 513 648 684 912 1026 1296 1368 1539 1657 2052 2736 3078 3314 4104 4971 6156 6628 8208 9942 12312 13256 14913 19884 24624 26512 29826 31483 39768 44739 59652 62966 79536 89478 94449 119304 125932 134217 178956 188898 238608 251864 268434 283347 357912 377796 503728 536868 566694 715824 755592 850041 1073736 1133388 1511184 1700082 2147472 2266776 2550123 3400164 4533552 5100246 6800328 10200492 13600656 20400984 40801968
• Sum of all divisors σ(n): 124383160
• Sum of proper divisors (its aliquot sum) s(n): 83581192
• 40801968 is an abundant number, because the sum of its proper divisors (83581192) is greater than itself. Its abundance is 42779224

Bases of 40801968

• Binary: 10011011101001011010110000₂
• Hexadecimal: 0x26E96B0
• Base-36: OAJ00

Squares and roots of 40801968

• 40801968 squared (40801968²) is 1664800592673024
• 40801968 cubed (40801968³) is 67927140508625759711232
• The square root of 40801968 is 6387.6418183865
• The cube root of 40801968 is 344.2656592191

Scales and comparisons

• 40,801,968 seconds is equal to 1 year, 15 weeks, 3 days, 5 hours, 52 minutes, 48 seconds.
• To count from 1 to 40,801,968 would take you about forty-nine weeks!

  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 40801968 cubic inches would be around 28.7 feet tall.

Recreational maths with 40801968

• 40801968 backwards is 86910804
• 40801968 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40801968's digits is 36
• More coming soon!