42764640

Names of 42764640

• Cardinal: 42764640 can be written as Forty-two million, seven hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.276464 × 10⁷

Factors of 42764640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104

Divisors of 42764640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 53 60 80 82 96 106 120 123 159 160 164 205 212 240 246 265 318 328 410 424 480 492 530 615 636 656 795 820 848 984 1060 1230 1272 1312 1590 1640 1681 1696 1968 2120 2173 2460 2544 3180 3280 3362 3936 4240 4346 4920 5043 5088 6360 6519 6560 6724 8405 8480 8692 9840 10086 10865 12720 13038 13448 16810 17384 19680 20172 21730 25215 25440 26076 26896 32595 33620 34768 40344 43460 50430 52152 53792 65190 67240 69536 80688 86920 89093 100860 104304 130380 134480 161376 173840 178186 201720 208608 260760 267279 268960 347680 356372 403440 445465 521520 534558 712744 806880 890930 1043040 1069116 1336395 1425488 1781860 2138232 2672790 2850976 3563720 4276464 5345580 7127440 8552928 10691160 14254880 21382320 42764640
• Sum of all divisors σ(n): 140679504
• Sum of proper divisors (its aliquot sum) s(n): 97914864
• 42764640 is an abundant number, because the sum of its proper divisors (97914864) is greater than itself. Its abundance is 55150224

Bases of 42764640

• Binary: 10100011001000100101100000₂
• Hexadecimal: 0x28C8960
• Base-36: PGLEO

Squares and roots of 42764640

• 42764640 squared (42764640²) is 1828814434329600
• 42764640 cubed (42764640³) is 78208590910908985344000
• The square root of 42764640 is 6539.4678682597
• The cube root of 42764640 is 349.6994426551

Scales and comparisons

• 42,764,640 seconds is equal to 1 year, 18 weeks, 4 days, 23 hours, 4 minutes.
• To count from 1 to 42,764,640 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 42764640 cubic inches would be around 29.1 feet tall.

Recreational maths with 42764640

• 42764640 backwards is 04646724
• The number of decimal digits it has is: 8
• The sum of 42764640's digits is 33
• More coming soon!