42905040

Names of 42905040

• Cardinal: 42905040 can be written as Forty-two million, nine hundred five thousand and forty.

Scientific notation

• Scientific notation: 4.290504 × 10⁷

Factors of 42905040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 126

Divisors of 42905040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 97 114 120 152 190 194 228 240 285 291 304 380 388 456 485 570 582 760 776 912 970 1140 1164 1455 1520 1552 1843 1940 2280 2328 2910 3686 3880 4560 4656 5529 5820 7372 7760 9215 9409 11058 11640 14744 18430 18818 22116 23280 27645 28227 29488 36860 37636 44232 47045 55290 56454 73720 75272 88464 94090 110580 112908 141135 147440 150544 178771 188180 221160 225816 282270 357542 376360 442320 451632 536313 564540 715084 752720 893855 1072626 1129080 1430168 1787710 2145252 2258160 2681565 2860336 3575420 4290504 5363130 7150840 8581008 10726260 14301680 21452520 42905040
• Sum of all divisors σ(n): 141464160
• Sum of proper divisors (its aliquot sum) s(n): 98559120
• 42905040 is an abundant number, because the sum of its proper divisors (98559120) is greater than itself. Its abundance is 55654080

Bases of 42905040

• Binary: 10100011101010110111010000₂
• Hexadecimal: 0x28EADD0
• Base-36: PJLQO

Squares and roots of 42905040

• 42905040 squared (42905040²) is 1840842457401600
• 42905040 cubed (42905040³) is 78981419268513944064000
• The square root of 42905040 is 6550.1938902601
• The cube root of 42905040 is 350.0817224135

Scales and comparisons

• 42,905,040 seconds is equal to 1 year, 18 weeks, 6 days, 14 hours, 4 minutes.
• To count from 1 to 42,905,040 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 42905040 cubic inches would be around 29.2 feet tall.

Recreational maths with 42905040

• 42905040 backwards is 04050924
• 42905040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42905040's digits is 24
• More coming soon!