20718864 (number)

20718864 is an even 8-digits composite number following 20718863 and preceding 20718865. In scientific notation, it is written as 2.0718864 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors. There are 6906240 positive integers (up to 20718864) that are relatively prime to 20718864.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighteen thousand eight hundred sixty-four

Notation

Scientific notation 2.0718864 × 10^7
Engineering notation 2.0718864 × 10^6

Prime Factorization of 20718864

Prime Factorization 2 × 2 × 2 × 2 × 9 × 143881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2589858
Product of the distinct prime numbers

The prime factorization of 20718864 is 2 × 2 × 2 × 2 × 9 × 143881. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 3, 63, 74, 509, 685, 3741, 242, 98691, 36347, 375189, 681620, 2639368, 4533370, 40178989, 99902741, 367842671, 925467309, 583689433, 2049731243

Basic calculations (n = 20718864)

Multiplication

n×y
n×2 41437728
n×3 62156592
n×4 82875456
n×5 103594320

Division

n÷y
n÷2 10359432
n÷3 6906288
n÷3 5179716
n÷5 4143772.8

Exponentiation

ny
n2 429271325450496
n3 8.8940142111086E+21
n4 1.8427387085403E+29
n5 3.8179452689781E+36

Nth Root

y√n
2√n 4551.7978865499
3√n 274.65571902617
4√n 67.467013321696
5√n 29.058499710957

Divisors of 20718864

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 143881, 287762, 575524, 1151048, 1294929, 2302096, 2589858, 5179716, 10359432, 20718864

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20718863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20718864 can be divided by 20 positive divisors. The sum of these divisors (counting 20718864) is 1, the average is 0.05.

Base conversion 20718864

Base System Value
2 Binary 1001111000010010100010000
3 Ternary 1102222121221100
4 Quaternary 1033002110100
5 Quinary 20301000424
6 Senary 2020024400
8 Octal 117022420
10 Decimal 20718864
12 Duodecimal 6b32100
16 Hexadecimal 13c2510
20 Vigesimal 699h34
36 Base36 cc2s0

Cryptographic Hash Functions

md5 0f3a16a593504e583b8c33267b3ff8fb
sha1 4f6645b4c70aa2a615b415eafac76202720a7182
sha256 d9ec1ab0ea80905d75c6dd2d104586686993340e7477b82385a88d3eeaf7de04
sha512 e7e1cd3ce62d41cc9c1209780c4592ecbe302a2f3f8d7a91e7b89302f1e203e20f1301afbaf0781f8b1ac56ec5dc9e0f21787a0e84cd0d31b8b20fd1cf617d36
ripemd-160 4bdb47ee77fa5169781e3655b51ae54579adfa8a

20718864 as geometric shapes

Circle

Radius = n
Diameter 41437728
Circumference 130180461.86625
Area 1.348595642432E+15

Sphere

Radius = n
Volume 3.7255159608723E+22
Surface area 5.3943825697281E+15
Circumference 130180461.86625

Square

Length = n
Perimeter 82875456
Area 429271325450496
Diagonal 29300898.465764

Cube

Length = n
Surface area 2575627952702976
Volume 8.8940142111086E+21
Space diagonal 35886125.12311

Equilateral Triangle

Length = n
Perimeter 62156592
Area 1.8587993647817E+14
Altitude 17943062.561555

Triangular Pyramid

Length = n
Surface area 1.8587993647817E+14
Volume 1.0481696267741E+21
Height 9766966.1552546