20685000 (number)

20685000 is an even 8-digits composite number following 20684999 and preceding 20685001. In scientific notation, it is written as 2.0685000 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 64 positive divisors. There are 4704000 positive integers (up to 20685000) that are relatively prime to 20685000.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand

Notation

Scientific notation 2.0685000 × 10^7
Engineering notation 2.0685000 × 10^6

Prime Factorization of 20685000

Prime Factorization 2 × 2 × 2 × 105 × 5 × 5 × 5 × 197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 206850
Product of the distinct prime numbers

The prime factorization of 20685000 is 2 × 2 × 2 × 105 × 5 × 5 × 5 × 197. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 5, 11, 31, 723, 357, 4189, 3563, 29006, 38126, 970481, 214087, 8767594, 1846848, 68580678, 13204474, 809047442, 378317966, 2455113275, 6251572559

Basic calculations (n = 20685000)

Multiplication

n×y
n×2 41370000
n×3 62055000
n×4 82740000
n×5 103425000

Division

n÷y
n÷2 10342500
n÷3 6895000
n÷3 5171250
n÷5 4137000

Exponentiation

ny
n2 427869225000000
n3 8.850474919125E+21
n4 1.830720737021E+29
n5 3.786845844528E+36

Nth Root

y√n
2√n 4548.0765165067
3√n 274.50600018072
4√n 67.439428500742
5√n 29.048994546865

Divisors of 20685000

1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 105, 125, 197, 200, 210, 250, 394, 420, 500, 525, 788, 840, 985, 1000, 1050, 1576, 1970, 2100, 2625, 3940, 4200, 4925, 5250, 7880, 9850, 10500, 13125, 19700, 20685, 21000, 24625, 26250, 39400, 41370, 49250, 52500, 82740, 98500, 103425, 105000, 165480, 197000, 206850, 413700, 517125, 827400, 1034250, 2068500, 2585625, 4137000, 5171250, 10342500, 20685000

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20684999
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685000 can be divided by 64 positive divisors. The sum of these divisors (counting 20685000) is 1, the average is 0.015625.

Base conversion 20685000

Base System Value
2 Binary 1001110111010000011001000
3 Ternary 1102220220111010
4 Quaternary 1032322003020
5 Quinary 20243410000
6 Senary 2015203520
8 Octal 116720310
10 Decimal 20685000
12 Duodecimal 6b165a0
16 Hexadecimal 13ba0c8
20 Vigesimal 695ca0
36 Base36 cbcnc

Cryptographic Hash Functions

md5 6214a0da990ce4e7babb9d19ac2ec900
sha1 bd68f44521a0f1a10b0e261c530b0185a03310e2
sha256 b4a108471f234e4e2dde67d66464d1b81906916c7caedc5609d53920b6048506
sha512 83202346a2f2957ac648baab9c59b114fcbc5407ecaa11421a39ef1c3039be99497d3c903737dd982209a4f213a28d678db6510fd39a5aff8f22399d38197370
ripemd-160 6c507e5cec5338399898ad4192e64c6d84e72852

20685000 as geometric shapes

Circle

Radius = n
Diameter 41370000
Circumference 129967688.07901
Area 1.3441908139572E+15

Sphere

Radius = n
Volume 3.7072782648938E+22
Surface area 5.3767632558286E+15
Circumference 129967688.07901

Square

Length = n
Perimeter 82740000
Area 427869225000000
Diagonal 29253007.537687

Cube

Length = n
Surface area 2567215350000000
Volume 8.850474919125E+21
Space diagonal 35827470.954562

Equilateral Triangle

Length = n
Perimeter 62055000
Area 1.8527280917378E+14
Altitude 17913735.477281

Triangular Pyramid

Length = n
Surface area 1.8527280917378E+14
Volume 1.0430384720058E+21
Height 9751002.5125625