18361421 (number)

18361421 is an odd 8-digits composite number following 18361420 and preceding 18361422. In scientific notation, it is written as 1.8361421 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 16773120 positive integers (up to 18361421) that are relatively prime to 18361421.

Interesting facts

Basic properties

Name

Name eighteen million three hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 1.8361421 × 10^7
Engineering notation 1.8361421 × 10^6

Prime Factorization of 18361421

Prime Factorization 13 × 97 × 14561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18361421
Product of the distinct prime numbers

The prime factorization of 18361421 is 13 × 97 × 14561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18361421)

Multiplication

n×y
n×2 36722842
n×3 55084263
n×4 73445684
n×5 91807105

Division

n÷y
n÷2 9180710.5
n÷3 6120473.6666667
n÷3 4590355.25
n÷5 3672284.2

Exponentiation

ny
n2 337141781139241
n3 6.1904021801875E+21
n4 1.1366458058974E+29
n5 2.0870432169966E+36

Nth Root

y√n
2√n 4285.0228704174
3√n 263.81658613971
4√n 65.460086086236
5√n 28.364900057705

Divisors of 18361421

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 -18361420
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 18361421 can be divided by 8 positive divisors. The sum of these divisors (counting 18361421) is 1, the average is 0.125.

Base conversion 18361421

Base System Value
2 Binary 1000110000010110001001101
3 Ternary 1021112212010122
4 Quaternary 1012002301031
5 Quinary 14200031141
6 Senary 1453314325
8 Octal 106026115
10 Decimal 18361421
12 Duodecimal 61959a5
16 Hexadecimal 1182c4d
20 Vigesimal 5ef3b1
36 Base36 axjrh

Cryptographic Hash Functions

md5 3d23ed380f4c8d34081bbc8df4cd2e49
sha1 3922a0d3936f4f7de893da64e4ad9d4f9bd10ea7
sha256 30a334716e03d4dc17f82d881b8ec321e295140d7a3599dfc2c0aea24791b548
sha512 42b6a04369686f94e00d9e67ff5270c686c468fe235c350f72bd01b578e68e4f15fdc9a49aedd74204ea87678b7863cbfd3e8f227b84fa48aeafc1345151056c
ripemd-160 57547c37f1068bca1ae66ba175fe108c0f4ce126

18361421 as geometric shapes

Circle

Radius = n
Diameter 36722842
Circumference 115368210.64614
Area 1.0591621428452E+15

Sphere

Radius = n
Volume 2.5930296016058E+22
Surface area 4.2366485713809E+15
Circumference 115368210.64614

Square

Length = n
Perimeter 73445684
Area 337141781139241
Diagonal 25966970.602642

Cube

Length = n
Surface area 2022850686835446
Volume 6.1904021801875E+21
Space diagonal 31802914.071162

Equilateral Triangle

Length = n
Perimeter 55084263
Area 1.4598667357186E+14
Altitude 15901457.035581

Triangular Pyramid

Length = n
Surface area 1.4598667357186E+14
Volume 7.2954589331376E+20
Height 8655656.8675474