18990537 (number)

18990537 is an odd 8-digits composite number following 18990536 and preceding 18990538. In scientific notation, it is written as 1.8990537 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 12642000 positive integers (up to 18990537) that are relatively prime to 18990537.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety thousand five hundred thirty-seven

Notation

Scientific notation 1.8990537 × 10^7
Engineering notation 1.8990537 × 10^6

Prime Factorization of 18990537

Prime Factorization 3 × 751 × 8429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18990537
Product of the distinct prime numbers

The prime factorization of 18990537 is 3 × 751 × 8429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18990537)

Multiplication

n×y
n×2 37981074
n×3 56971611
n×4 75962148
n×5 94952685

Division

n÷y
n÷2 9495268.5
n÷3 6330179
n÷3 4747634.25
n÷5 3798107.4

Exponentiation

ny
n2 360640495548369
n3 6.8487566744096E+21
n4 1.3006156702937E+29
n5 2.4699390009493E+36

Nth Root

y√n
2√n 4357.8133278056
3√n 266.79585736678
4√n 66.013735902504
5√n 28.556662519614

Divisors of 18990537

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18990536
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18990537 can be divided by 8 positive divisors. The sum of these divisors (counting 18990537) is 1, the average is 0.125.

Base conversion 18990537

Base System Value
2 Binary 1001000011100010111001001
3 Ternary 1022201211010020
4 Quaternary 1020130113021
5 Quinary 14330144122
6 Senary 1515011053
8 Octal 110342711
10 Decimal 18990537
12 Duodecimal 6439a89
16 Hexadecimal 121c5c9
20 Vigesimal 5idg6h
36 Base36 bb16x

Cryptographic Hash Functions

md5 740f1c7b12853074e749f2d76defc4b0
sha1 2dc0ca1402ac54cbfdf41a763b7aac778eadeec7
sha256 b9259d8cb9c6a3755a8e8546ebb565d849094418da53b768e2cdd3a6eed5a08d
sha512 1302cb7022b8d10abba55cc1a2f7fddc5e0fb77013edb91066712dd39af3f897ee03833a92fa5f9d45239e8d9bd57001f5de164daa4cba837868d9d165f0f036
ripemd-160 a5744e23faf419b98ba92e92b606e6a3e4e6bf47

18990537 as geometric shapes

Circle

Radius = n
Diameter 37981074
Circumference 119321063.05385
Area 1.1329855314017E+15

Sphere

Radius = n
Volume 2.8688004872733E+22
Surface area 4.531942125607E+15
Circumference 119321063.05385

Square

Length = n
Perimeter 75962148
Area 360640495548369
Diagonal 26856674.982148

Cube

Length = n
Surface area 2163842973290214
Volume 6.8487566744096E+21
Space diagonal 32892574.947017

Equilateral Triangle

Length = n
Perimeter 56971611
Area 1.5616191538915E+14
Altitude 16446287.473508

Triangular Pyramid

Length = n
Surface area 1.5616191538915E+14
Volume 8.0713371452861E+20
Height 8952224.9940494