18385972 (number)

18385972 is an even 8-digits composite number following 18385971 and preceding 18385973. In scientific notation, it is written as 1.8385972 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 8357240 positive integers (up to 18385972) that are relatively prime to 18385972.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand nine hundred seventy-two

Notation

Scientific notation 1.8385972 × 10^7
Engineering notation 1.8385972 × 10^6

Prime Factorization of 18385972

Prime Factorization 2 × 2 × 11 × 417863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9192986
Product of the distinct prime numbers

The prime factorization of 18385972 is 2 × 2 × 11 × 417863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 71, 100, 644, 282, 4612, 4831, 68977, 16582, 164138, 575652, 3849977, 1055596, 2933074, 42432801, 245720151, 994044586, 6278205277, 4188469610

Basic calculations (n = 18385972)

Multiplication

n×y
n×2 36771944
n×3 55157916
n×4 73543888
n×5 91929860

Division

n÷y
n÷2 9192986
n÷3 6128657.3333333
n÷3 4596493
n÷5 3677194.4

Exponentiation

ny
n2 338043966384784
n3 6.2152669007196E+21
n4 1.1427372320916E+29
n5 2.1010334752593E+36

Nth Root

y√n
2√n 4287.8866589498
3√n 263.93411655623
4√n 65.481956743441
5√n 28.372481328297

Divisors of 18385972

1, 2, 4, 11, 22, 44, 417863, 835726, 1671452, 4596493, 9192986, 18385972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18385971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18385972 can be divided by 12 positive divisors. The sum of these divisors (counting 18385972) is 1, the average is 0.083333333333333.

Base conversion 18385972

Base System Value
2 Binary 1000110001000110000110100
3 Ternary 1021121002210221
4 Quaternary 1012020300310
5 Quinary 14201322342
6 Senary 1454024124
8 Octal 106106064
10 Decimal 18385972
12 Duodecimal 61a8044
16 Hexadecimal 1188c34
20 Vigesimal 5ei4ic
36 Base36 ay2pg

Cryptographic Hash Functions

md5 68430005fdc4b95453bdfda2c386a937
sha1 efb125c9b1664fa640c763db9db597cef25ecada
sha256 22e7a63c265bf5ac798f373e0ca64cba8510b5b0e89218a4e23d2e4aa3243b6b
sha512 9ad51588819a7357912a7994a23d6537d8ab81005d5a56de7f427bfd5476b0f53458aa1fb2731cc3253e90eed8ff6e0fe553fa22817e1f1651ee88cca981db69
ripemd-160 8c9f28d626ca0518256898c5697641ea950e9f6e

18385972 as geometric shapes

Circle

Radius = n
Diameter 36771944
Circumference 115522469.12862
Area 1.0619964413848E+15

Sphere

Radius = n
Volume 2.6034449113867E+22
Surface area 4.2479857655392E+15
Circumference 115522469.12862

Square

Length = n
Perimeter 73543888
Area 338043966384784
Diagonal 26001690.959812

Cube

Length = n
Surface area 2028263798308704
Volume 6.2152669007196E+21
Space diagonal 31845437.650539

Equilateral Triangle

Length = n
Perimeter 55157916
Area 1.4637733124264E+14
Altitude 15922718.825269

Triangular Pyramid

Length = n
Surface area 1.4637733124264E+14
Volume 7.3247622873052E+20
Height 8667230.3199373