18351421 (number)

18351421 is an odd 8-digits composite number following 18351420 and preceding 18351422. In scientific notation, it is written as 1.8351421 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16638240 positive integers (up to 18351421) that are relatively prime to 18351421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8351421 × 10^7
Engineering notation 1.8351421 × 10^6

Prime Factorization of 18351421

Prime Factorization 11 × 409 × 4079

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18351421
Product of the distinct prime numbers

The prime factorization of 18351421 is 11 × 409 × 4079. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18351421)

Multiplication

n×y
n×2 36702842
n×3 55054263
n×4 73405684
n×5 91757105

Division

n÷y
n÷2 9175710.5
n÷3 6117140.3333333
n÷3 4587855.25
n÷5 3670284.2

Exponentiation

ny
n2 336774652719241
n3 6.1802934341796E+21
n4 1.1341716671417E+29
n5 2.0813661749988E+36

Nth Root

y√n
2√n 4283.8558565853
3√n 263.76868416562
4√n 65.451171544788
5√n 28.361809765149

Divisors of 18351421

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 -18351420
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 18351421 can be divided by 8 positive divisors. The sum of these divisors (counting 18351421) is 1, the average is 0.125.

Base conversion 18351421

Base System Value
2 Binary 1000110000000010100111101
3 Ternary 1021112100102021
4 Quaternary 1012000110331
5 Quinary 14144221141
6 Senary 1453200141
8 Octal 106002475
10 Decimal 18351421
12 Duodecimal 6190051
16 Hexadecimal 118053d
20 Vigesimal 5edib1
36 Base36 axc1p

Cryptographic Hash Functions

md5 45624a6e35e424c6cc5bdd9c723abf5d
sha1 63bdc3cd19a047bc1da10948d2709dfb3ad8e8ef
sha256 4dcc3fb70953fe60058c02fadbf37bc02498e0e7ee5f8bb6a59bdd233f575a55
sha512 7a833374245ad4509acc79b10389a80b701426a18edfd4f51c0eb2c17201ee294ce0b4a17d6c923a9ff59e5bc499d99a230c245b12fe7274a9ba88e5266c27ea
ripemd-160 475707aa289df9cac58b8bba706c85d44ac6d0ea

18351421 as geometric shapes

Circle

Radius = n
Diameter 36702842
Circumference 115305378.79307
Area 1.058008774898E+15

Sphere

Radius = n
Volume 2.5887952599797E+22
Surface area 4.2320350995921E+15
Circumference 115305378.79307

Square

Length = n
Perimeter 73405684
Area 336774652719241
Diagonal 25952828.467018

Cube

Length = n
Surface area 2020647916315446
Volume 6.1802934341796E+21
Space diagonal 31785593.563086

Equilateral Triangle

Length = n
Perimeter 55054263
Area 1.4582770230277E+14
Altitude 15892796.781543

Triangular Pyramid

Length = n
Surface area 1.4582770230277E+14
Volume 7.2835456617185E+20
Height 8650942.8223395