18371381 (number)

18371381 is an odd 8-digits composite number following 18371380 and preceding 18371382. In scientific notation, it is written as 1.8371381 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15746892 positive integers (up to 18371381) that are relatively prime to 18371381.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seventy-one thousand three hundred eighty-one

Notation

Scientific notation 1.8371381 × 10^7
Engineering notation 1.8371381 × 10^6

Prime Factorization of 18371381

Prime Factorization 7 × 2624483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18371381
Product of the distinct prime numbers

The prime factorization of 18371381 is 7 × 2624483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18371381)

Multiplication

n×y
n×2 36742762
n×3 55114143
n×4 73485524
n×5 91856905

Division

n÷y
n÷2 9185690.5
n÷3 6123793.6666667
n÷3 4592845.25
n÷5 3674276.2

Exponentiation

ny
n2 337507639847161
n3 6.200481442043E+21
n4 1.139114069552E+29
n5 2.09270985742E+36

Nth Root

y√n
2√n 4286.1849003514
3√n 263.86427922098
4√n 65.468961350791
5√n 28.36797665102

Divisors of 18371381

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 -18371380
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 18371381 can be divided by 4 positive divisors. The sum of these divisors (counting 18371381) is 1, the average is 0.25.

Base conversion 18371381

Base System Value
2 Binary 1000110000101001100110101
3 Ternary 1021120100210112
4 Quaternary 1012011030311
5 Quinary 14200341011
6 Senary 1453432405
8 Octal 106051465
10 Decimal 18371381
12 Duodecimal 619b705
16 Hexadecimal 1185335
20 Vigesimal 5eg891
36 Base36 axrg5

Cryptographic Hash Functions

md5 a461077aa87f5f0fe85d3191612498f2
sha1 f6f8b7ab4a589481821e5f3f5b8ced58b68f4773
sha256 f0ac10a985774b45a79f715021cc6c39b531111d2c0f9b6a997448c73064da66
sha512 eecbc3f0a5184d894ee6fd3feb0b17caec11283ada69e31c8dd777fbbaa6e7546b940648f190292502f4bdf2222f4c04a0f3f8cd2d6ddc586774e82571b744ff
ripemd-160 cf7b91b55f483e0414f217c72da63bed8a8b3372

18371381 as geometric shapes

Circle

Radius = n
Diameter 36742762
Circumference 115430791.1718
Area 1.0603115218743E+15

Sphere

Radius = n
Volume 2.5972515929389E+22
Surface area 4.2412460874971E+15
Circumference 115430791.1718

Square

Length = n
Perimeter 73485524
Area 337507639847161
Diagonal 25981056.169723

Cube

Length = n
Surface area 2025045839082966
Volume 6.200481442043E+21
Space diagonal 31820165.297206

Equilateral Triangle

Length = n
Perimeter 55114143
Area 1.4614509503949E+14
Altitude 15910082.648603

Triangular Pyramid

Length = n
Surface area 1.4614509503949E+14
Volume 7.3073374571499E+20
Height 8660352.0565745