40978432

Names of 40978432

• Cardinal: 40978432 can be written as Forty million, nine hundred seventy-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 4.0978432 × 10⁷

Factors of 40978432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 137

Divisors of 40978432

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 11 16 17 22 32 34 44 64 68 88 107 128 136 176 187 214 256 272 352 374 428 512 544 704 748 856 1024 1088 1177 1408 1496 1712 1819 2048 2176 2354 2816 2992 3424 3638 4352 4708 5632 5984 6848 7276 8704 9416 11264 11968 13696 14552 17408 18832 20009 22528 23936 27392 29104 34816 37664 40018 47872 54784 58208 75328 80036 95744 109568 116416 150656 160072 191488 219136 232832 301312 320144 382976 465664 602624 640288 931328 1205248 1280576 1862656 2410496 2561152 3725312 5122304 10244608 20489216 40978432
• Sum of all divisors σ(n): 95528160
• Sum of proper divisors (its aliquot sum) s(n): 54549728
• 40978432 is an abundant number, because the sum of its proper divisors (54549728) is greater than itself. Its abundance is 13571296

Bases of 40978432

• Binary: 10011100010100100000000000₂
• Hexadecimal: 0x2714800
• Base-36: OEB5S

Squares and roots of 40978432

• 40978432 squared (40978432²) is 1679231889178624
• 40978432 cubed (40978432³) is 68812289782937779437568
• The square root of 40978432 is 6401.4398380365
• The cube root of 40978432 is 344.7612490837

Scales and comparisons

• 40,978,432 seconds is equal to 1 year, 15 weeks, 5 days, 6 hours, 53 minutes, 52 seconds.
• To count from 1 to 40,978,432 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 40978432 cubic inches would be around 28.7 feet tall.

Recreational maths with 40978432

• 40978432 backwards is 23487904
• The number of decimal digits it has is: 8
• The sum of 40978432's digits is 37
• More coming soon!