20018947 (number)

20018947 is an odd 8-digits composite number following 20018946 and preceding 20018948. In scientific notation, it is written as 2.0018947 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 17001600 positive integers (up to 20018947) that are relatively prime to 20018947.

Interesting facts

Basic properties

Name

Name twenty million eighteen thousand nine hundred forty-seven

Notation

Scientific notation 2.0018947 × 10^7
Engineering notation 2.0018947 × 10^6

Prime Factorization of 20018947

Prime Factorization 13 × 71 × 23 × 23 × 41

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 870389
Product of the distinct prime numbers

The prime factorization of 20018947 is 13 × 71 × 23 × 23 × 41. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20018947)

Multiplication

n×y
n×2 40037894
n×3 60056841
n×4 80075788
n×5 100094735

Division

n÷y
n÷2 10009473.5
n÷3 6672982.3333333
n÷3 5004736.75
n÷5 4003789.4

Exponentiation

ny
n2 400758238988809
n3 8.0227579461303E+21
n4 1.6060716611741E+29
n5 3.2151863463247E+36

Nth Root

y√n
2√n 4474.2537925335
3√n 271.5274513901
4√n 66.8898631523
5√n 28.859463014692

Divisors of 20018947

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20018946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018947 can be divided by 24 positive divisors. The sum of these divisors (counting 20018947) is 1, the average is 0.041666666666667.

Base conversion 20018947

Base System Value
2 Binary 1001100010111011100000011
3 Ternary 1101200001211111
4 Quaternary 1030113130003
5 Quinary 20111101242
6 Senary 1553024151
8 Octal 114273403
10 Decimal 20018947
12 Duodecimal 6855057
16 Hexadecimal 1317703
20 Vigesimal 652777
36 Base36 bx2pv

Cryptographic Hash Functions

md5 7a6ca87c57eea7b892c21d8f6cfa29c2
sha1 9bcc65190282202f21622adeba56cd64f90a6293
sha256 6f0037c7121594b9a85aa4ee224e6ab59d4bb1751bf1b17d4a0667f10f39b685
sha512 5d7cee0eddb8f793e86d8dbdff50127d9a50c6921154ece42a8dac4f61dcc2f917a1ed2c5c1ccb291950909e4749bbf40332dc214e9da718092135d3dfbda547
ripemd-160 22cd629a5bb555a6ca7315d56c8027c347801d54

20018947 as geometric shapes

Circle

Radius = n
Diameter 40037894
Circumference 125782753.65561
Area 1.2590191394728E+15

Sphere

Radius = n
Volume 3.3605649900123E+22
Surface area 5.0360765578913E+15
Circumference 125782753.65561

Square

Length = n
Perimeter 80075788
Area 400758238988809
Diagonal 28311066.351828

Cube

Length = n
Surface area 2404549433932854
Volume 8.0227579461303E+21
Space diagonal 34673833.318029

Equilateral Triangle

Length = n
Perimeter 60056841
Area 1.7353340787011E+14
Altitude 17336916.659014

Triangular Pyramid

Length = n
Surface area 1.7353340787011E+14
Volume 9.454910912545E+20
Height 9437022.1172761