40798020

Names of 40798020

• Cardinal: 40798020 can be written as Forty million, seven hundred ninety-eight thousand and twenty.

Scientific notation

• Scientific notation: 4.079802 × 10⁷

Factors of 40798020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 299

Divisors of 40798020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 61 71 122 142 157 183 213 244 284 305 314 355 366 426 471 610 628 710 732 785 852 915 942 1065 1220 1420 1570 1830 1884 2130 2355 3140 3660 4260 4331 4710 8662 9420 9577 11147 12993 17324 19154 21655 22294 25986 28731 33441 38308 43310 44588 47885 51972 55735 57462 64965 66882 86620 95770 111470 114924 129930 133764 143655 167205 191540 222940 259860 287310 334410 574620 668820 679967 1359934 2039901 2719868 3399835 4079802 6799670 8159604 10199505 13599340 20399010 40798020
• Sum of all divisors σ(n): 118492416
• Sum of proper divisors (its aliquot sum) s(n): 77694396
• 40798020 is an abundant number, because the sum of its proper divisors (77694396) is greater than itself. Its abundance is 36896376

Bases of 40798020

• Binary: 10011011101000011101000100₂
• Hexadecimal: 0x26E8744
• Base-36: OAFYC

Squares and roots of 40798020

• 40798020 squared (40798020²) is 1664478435920400
• 40798020 cubed (40798020³) is 67907424518249197608000
• The square root of 40798020 is 6387.3327766761
• The cube root of 40798020 is 344.2545551415

Scales and comparisons

• 40,798,020 seconds is equal to 1 year, 15 weeks, 3 days, 4 hours, 47 minutes.
• To count from 1 to 40,798,020 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 40798020 cubic inches would be around 28.7 feet tall.

Recreational maths with 40798020

• 40798020 backwards is 02089704
• 40798020 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40798020's digits is 30
• More coming soon!