18870131 (number)

18870131 is an odd 8-digits composite number following 18870130 and preceding 18870132. In scientific notation, it is written as 1.8870131 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16174392 positive integers (up to 18870131) that are relatively prime to 18870131.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy thousand one hundred thirty-one

Notation

Scientific notation 1.8870131 × 10^7
Engineering notation 1.8870131 × 10^6

Prime Factorization of 18870131

Prime Factorization 7 × 2695733

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18870131
Product of the distinct prime numbers

The prime factorization of 18870131 is 7 × 2695733. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18870131)

Multiplication

n×y
n×2 37740262
n×3 56610393
n×4 75480524
n×5 94350655

Division

n÷y
n÷2 9435065.5
n÷3 6290043.6666667
n÷3 4717532.75
n÷5 3774026.2

Exponentiation

ny
n2 356081843957161
n3 6.7193110421932E+21
n4 1.2679427959593E+29
n5 2.3926246660259E+36

Nth Root

y√n
2√n 4343.9764041716
3√n 266.23080482011
4√n 65.908849209887
5√n 28.520358680194

Divisors of 18870131

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 -18870130
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 18870131 can be divided by 4 positive divisors. The sum of these divisors (counting 18870131) is 1, the average is 0.25.

Base conversion 18870131

Base System Value
2 Binary 1000111111110111101110011
3 Ternary 1022111200221202
4 Quaternary 1013332331303
5 Quinary 14312321011
6 Senary 1512241415
8 Octal 107767563
10 Decimal 18870131
12 Duodecimal 63a026b
16 Hexadecimal 11fef73
20 Vigesimal 5hif6b
36 Base36 b8gab

Cryptographic Hash Functions

md5 81e9f0f12da4886859451b2ddaea8d3f
sha1 5cae764aed1198a7c4e1a56ccae3f58b35f25a74
sha256 ea2289da32e78ce5f8a032c6a5e6b2ad0097cc09b7cb826d97932c0f0855d9fe
sha512 5fc2d9cb08b20409fe22d09539564a9d6398299c1a562c9531554e0520eb0e5827647b7144ef8265bf0340fa16c7c08fb03f5921d52d4b2dede2e30431457c30
ripemd-160 3ef5dfe4c5324c26249c1eb07189694f7a9f4ac4

18870131 as geometric shapes

Circle

Radius = n
Diameter 37740262
Circumference 118564529.84375
Area 1.1186641050525E+15

Sphere

Radius = n
Volume 2.8145784276452E+22
Surface area 4.4746564202101E+15
Circumference 118564529.84375

Square

Length = n
Perimeter 75480524
Area 356081843957161
Diagonal 26686395.183957

Cube

Length = n
Surface area 2136491063742966
Volume 6.7193110421932E+21
Space diagonal 32684025.637481

Equilateral Triangle

Length = n
Perimeter 56610393
Area 1.5418796134665E+14
Altitude 16342012.81874

Triangular Pyramid

Length = n
Surface area 1.5418796134665E+14
Volume 7.9187840047274E+20
Height 8895465.061319