40890000

Names of 40890000

• Cardinal: 40890000 can be written as Forty million, eight hundred ninety thousand.

Scientific notation

• Scientific notation: 4.089 × 10⁷

Factors of 40890000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 86

Divisors of 40890000

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 29 30 40 47 48 50 58 60 75 80 87 94 100 116 120 125 141 145 150 174 188 200 232 235 240 250 282 290 300 348 375 376 400 435 464 470 500 564 580 600 625 696 705 725 750 752 870 940 1000 1128 1160 1175 1200 1250 1363 1392 1410 1450 1500 1740 1875 1880 2000 2175 2256 2320 2350 2500 2726 2820 2900 3000 3480 3525 3625 3750 3760 4089 4350 4700 5000 5452 5640 5800 5875 6000 6815 6960 7050 7250 7500 8178 8700 9400 10000 10875 10904 11280 11600 11750 13630 14100 14500 15000 16356 17400 17625 18125 18800 20445 21750 21808 23500 27260 28200 29000 29375 30000 32712 34075 34800 35250 36250 40890 43500 47000 54375 54520 56400 58000 58750 65424 68150 70500 72500 81780 87000 88125 94000 102225 108750 109040 117500 136300 141000 145000 163560 170375 174000 176250 204450 217500 235000 272600 282000 290000 327120 340750 352500 408900 435000 470000 511125 545200 681500 705000 817800 851875 870000 1022250 1363000 1410000 1635600 1703750 2044500 2555625 2726000 3407500 4089000 5111250 6815000 8178000 10222500 13630000 20445000 40890000
• Sum of all divisors σ(n): 139455360
• Sum of proper divisors (its aliquot sum) s(n): 98565360
• 40890000 is an abundant number, because the sum of its proper divisors (98565360) is greater than itself. Its abundance is 57675360

Bases of 40890000

• Binary: 10011011111110111010010000₂
• Hexadecimal: 0x26FEE90
• Base-36: OCEXC

Squares and roots of 40890000

• 40890000 squared (40890000²) is 1671992100000000
• 40890000 cubed (40890000³) is 68367756969000000000000
• The square root of 40890000 is 6394.5289114993
• The cube root of 40890000 is 344.5130706905

Scales and comparisons

• 40,890,000 seconds is equal to 1 year, 15 weeks, 4 days, 6 hours, 20 minutes.
• To count from 1 to 40,890,000 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 40890000 cubic inches would be around 28.7 feet tall.

Recreational maths with 40890000

• 40890000 backwards is 00009804
• The number of decimal digits it has is: 8
• The sum of 40890000's digits is 21
• More coming soon!