42811020

Names of 42811020

• Cardinal: 42811020 can be written as Forty-two million, eight hundred eleven thousand and twenty.

Scientific notation

• Scientific notation: 4.281102 × 10⁷

Factors of 42811020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 635

Divisors of 42811020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 61 63 70 84 90 105 122 126 140 180 183 210 244 252 305 315 366 420 427 549 557 610 630 732 854 915 1098 1114 1220 1260 1281 1671 1708 1830 2135 2196 2228 2562 2745 2785 3342 3660 3843 3899 4270 5013 5124 5490 5570 6405 6684 7686 7798 8355 8540 10026 10980 11140 11697 12810 15372 15596 16710 19215 19495 20052 23394 25065 25620 33420 33977 35091 38430 38990 46788 50130 58485 67954 70182 76860 77980 100260 101931 116970 135908 140364 169885 175455 203862 233940 237839 305793 339770 350910 407724 475678 509655 611586 679540 701820 713517 951356 1019310 1189195 1223172 1427034 1528965 2038620 2140551 2378390 2854068 3057930 3567585 4281102 4756780 6115860 7135170 8562204 10702755 14270340 21405510 42811020
• Sum of all divisors σ(n): 151115328
• Sum of proper divisors (its aliquot sum) s(n): 108304308
• 42811020 is an abundant number, because the sum of its proper divisors (108304308) is greater than itself. Its abundance is 65493288

Bases of 42811020

• Binary: 10100011010011111010001100₂
• Hexadecimal: 0x28D3E8C
• Base-36: PHL70

Squares and roots of 42811020

• 42811020 squared (42811020²) is 1832783433440400
• 42811020 cubed (42811020³) is 78463328224685633208000
• The square root of 42811020 is 6543.0130673875
• The cube root of 42811020 is 349.8258180925

Scales and comparisons

• 42,811,020 seconds is equal to 1 year, 18 weeks, 5 days, 11 hours, 57 minutes.
• To count from 1 to 42,811,020 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 42811020 cubic inches would be around 29.2 feet tall.

Recreational maths with 42811020

• 42811020 backwards is 02011824
• 42811020 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42811020's digits is 18
• More coming soon!