18372945 (number)

18372945 is an odd 8-digits composite number following 18372944 and preceding 18372946. In scientific notation, it is written as 1.8372945 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 9798896 positive integers (up to 18372945) that are relatively prime to 18372945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8372945 × 10^7
Engineering notation 1.8372945 × 10^6

Prime Factorization of 18372945

Prime Factorization 15 × 1224863

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18372945
Product of the distinct prime numbers

The prime factorization of 18372945 is 15 × 1224863. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18372945)

Multiplication

n×y
n×2 36745890
n×3 55118835
n×4 73491780
n×5 91864725

Division

n÷y
n÷2 9186472.5
n÷3 6124315
n÷3 4593236.25
n÷5 3674589

Exponentiation

ny
n2 337565107973025
n3 6.2020651627074E+21
n4 1.1395020212084E+29
n5 2.0936007963051E+36

Nth Root

y√n
2√n 4286.3673431007
3√n 263.87176680947
4√n 65.470354688979
5√n 28.368459641435

Divisors of 18372945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18372944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18372945 can be divided by 4 positive divisors. The sum of these divisors (counting 18372945) is 1, the average is 0.25.

Base conversion 18372945

Base System Value
2 Binary 1000110000101100101010001
3 Ternary 1021120102221110
4 Quaternary 1012011211101
5 Quinary 14200413240
6 Senary 1453443533
8 Octal 106054521
10 Decimal 18372945
12 Duodecimal 61a05a9
16 Hexadecimal 1185951
20 Vigesimal 5egc75
36 Base36 axsnl

Cryptographic Hash Functions

md5 dc06b162007fb8daf1cdbe4168b41ac8
sha1 5ae9ce0bd958650a24c89618e7b2ed4e7a052145
sha256 63b4bb2902d8e8de9865d6650d9c35c5e37823be40466a9fa5a112b72edc608e
sha512 c303aa5f6cee1d02e4f0bae1dab187f91fb065b483891c2ffccdfd1e2d13c9481a9459daac86f5202b84cebdba0df8544b5a71e990b2f29516728440d23a7093
ripemd-160 1d679d7a4aea27482b4792fcaaa8333ee26a8034

18372945 as geometric shapes

Circle

Radius = n
Diameter 36745890
Circumference 115440618.07362
Area 1.0604920633163E+15

Sphere

Radius = n
Volume 2.5979149802996E+22
Surface area 4.2419682532652E+15
Circumference 115440618.07362

Square

Length = n
Perimeter 73491780
Area 337565107973025
Diagonal 25983267.999735

Cube

Length = n
Surface area 2025390647838150
Volume 6.2020651627074E+21
Space diagonal 31822874.224669

Equilateral Triangle

Length = n
Perimeter 55118835
Area 1.4616997946794E+14
Altitude 15911437.112334

Triangular Pyramid

Length = n
Surface area 1.4616997946794E+14
Volume 7.3092038898521E+20
Height 8661089.333245