40779420

Names of 40779420

• Cardinal: 40779420 can be written as Forty million, seven hundred seventy-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 4.077942 × 10⁷

Factors of 40779420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 199

Divisors of 40779420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 41 44 55 60 66 82 110 121 123 132 137 164 165 205 220 242 246 274 330 363 410 411 451 484 492 548 605 615 660 685 726 820 822 902 1210 1230 1353 1370 1452 1507 1644 1804 1815 2055 2255 2420 2460 2706 2740 3014 3630 4110 4510 4521 4961 5412 5617 6028 6765 7260 7535 8220 9020 9042 9922 11234 13530 14883 15070 16577 16851 18084 19844 22468 22605 24805 27060 28085 29766 30140 33154 33702 45210 49610 49731 56170 59532 61787 66308 67404 74415 82885 84255 90420 99220 99462 112340 123574 148830 165770 168510 185361 198924 247148 248655 297660 308935 331540 337020 370722 497310 617870 679657 741444 926805 994620 1235740 1359314 1853610 2038971 2718628 3398285 3707220 4077942 6796570 8155884 10194855 13593140 20389710 40779420
• Sum of all divisors σ(n): 129505824
• Sum of proper divisors (its aliquot sum) s(n): 88726404
• 40779420 is an abundant number, because the sum of its proper divisors (88726404) is greater than itself. Its abundance is 47946984

Bases of 40779420

• Binary: 10011011100011111010011100₂
• Hexadecimal: 0x26E3E9C
• Base-36: OA1LO

Squares and roots of 40779420

• 40779420 squared (40779420²) is 1662961095536400
• 40779420 cubed (40779420³) is 67814588958538980888000
• The square root of 40779420 is 6385.8766038815
• The cube root of 40779420 is 344.2022314581

Scales and comparisons

• 40,779,420 seconds is equal to 1 year, 15 weeks, 2 days, 23 hours, 37 minutes.
• To count from 1 to 40,779,420 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 40779420 cubic inches would be around 28.7 feet tall.

Recreational maths with 40779420

• 40779420 backwards is 02497704
• 40779420 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40779420's digits is 33
• More coming soon!