20685864 (number)

20685864 is an even 8-digits composite number following 20685863 and preceding 20685865. In scientific notation, it is written as 2.0685864 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 6800256 positive integers (up to 20685864) that are relatively prime to 20685864.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand eight hundred sixty-four

Notation

Scientific notation 2.0685864 × 10^7
Engineering notation 2.0685864 × 10^6

Prime Factorization of 20685864

Prime Factorization 2 × 2 × 2 × 3 × 73 × 11807

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5171466
Product of the distinct prime numbers

The prime factorization of 20685864 is 2 × 2 × 2 × 3 × 73 × 11807. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 4, 44, 91, 515, 822, 9873, 6873, 15758, 56435, 484674, 800229, 2229761, 4403761, 31200414, 50231429, 717224788, 575014749, 4235908769, 9428000319

Basic calculations (n = 20685864)

Multiplication

n×y
n×2 41371728
n×3 62057592
n×4 82743456
n×5 103429320

Division

n÷y
n÷2 10342932
n÷3 6895288
n÷3 5171466
n÷5 4137172.8

Exponentiation

ny
n2 427904969426496
n3 8.8515840024807E+21
n4 1.8310266285989E+29
n5 3.7876367819575E+36

Nth Root

y√n
2√n 4548.1715007242
3√n 274.50982211098
4√n 67.440132715796
5√n 29.049237214614

Divisors of 20685864

1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11807, 23614, 35421, 47228, 70842, 94456, 141684, 283368, 861911, 1723822, 2585733, 3447644, 5171466, 6895288, 10342932, 20685864

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685864 can be divided by 32 positive divisors. The sum of these divisors (counting 20685864) is 1, the average is 0.03125.

Base conversion 20685864

Base System Value
2 Binary 1001110111010010000101000
3 Ternary 1102220221200010
4 Quaternary 1032322100220
5 Quinary 20243421424
6 Senary 2015211520
8 Octal 116722050
10 Decimal 20685864
12 Duodecimal 6b16ba0
16 Hexadecimal 13ba428
20 Vigesimal 695ed4
36 Base36 cbdbc

Cryptographic Hash Functions

md5 f08460faa5db6f885d846112d7bd6fb9
sha1 81f544de4184480ce4f17553f2f86c69a8b4afbf
sha256 95bc0c0574cd572a88b68ad47e55ba83aa08257b35287aef1e179f741246759c
sha512 34205524fe2f40040c6b7342e7604393ffa1fb76e1285eb052749c9c873ba4b33df277d382232a235e522cb6a3ffb3b63873afefce5289ba0cdbdd71577d52ab
ripemd-160 1200096a27a9592fff5fdb2a6c9495c5cf572382

20685864 as geometric shapes

Circle

Radius = n
Diameter 41371728
Circumference 129973116.75112
Area 1.3443031083848E+15

Sphere

Radius = n
Volume 3.7077428366435E+22
Surface area 5.3772124335394E+15
Circumference 129973116.75112

Square

Length = n
Perimeter 82743456
Area 427904969426496
Diagonal 29254229.418205

Cube

Length = n
Surface area 2567429816558976
Volume 8.8515840024807E+21
Space diagonal 35828967.44646

Equilateral Triangle

Length = n
Perimeter 62057592
Area 1.8528828696447E+14
Altitude 17914483.72323

Triangular Pyramid

Length = n
Surface area 1.8528828696447E+14
Volume 1.0431691787327E+21
Height 9751409.8060685