18171421 (number)

18171421 is an odd 8-digits composite number following 18171420 and preceding 18171422. In scientific notation, it is written as 1.8171421 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 17825808 positive integers (up to 18171421) that are relatively prime to 18171421.

Interesting facts

Basic properties

Name

Name eighteen million one hundred seventy-one thousand four hundred twenty-one

Notation

Scientific notation 1.8171421 × 10^7
Engineering notation 1.8171421 × 10^6

Prime Factorization of 18171421

Prime Factorization 53 × 53 × 6469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 342857
Product of the distinct prime numbers

The prime factorization of 18171421 is 53 × 53 × 6469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18171421)

Multiplication

n×y
n×2 36342842
n×3 54514263
n×4 72685684
n×5 90857105

Division

n÷y
n÷2 9085710.5
n÷3 6057140.3333333
n÷3 4542855.25
n÷5 3634284.2

Exponentiation

ny
n2 330200541159241
n3 6.0002130478324E+21
n4 1.0903239738186E+29
n5 1.981273595465E+36

Nth Root

y√n
2√n 4262.7949751308
3√n 262.90345697727
4√n 65.290083283227
5√n 28.305952794633

Divisors of 18171421

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18171420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18171421 can be divided by 6 positive divisors. The sum of these divisors (counting 18171421) is 1, the average is 0.16666666666667.

Base conversion 18171421

Base System Value
2 Binary 1000101010100011000011101
3 Ternary 1021012012111121
4 Quaternary 1011110120131
5 Quinary 14122441141
6 Senary 1445250541
8 Octal 105243035
10 Decimal 18171421
12 Duodecimal 6103a51
16 Hexadecimal 115461d
20 Vigesimal 5db8b1
36 Base36 ath5p

Cryptographic Hash Functions

md5 beca678e9cb239e0805a11eceb747a81
sha1 baf0b0a0a0287e99f1e0cb5d6e690b73543ee3a0
sha256 9996d1e88e072a58c440e9be7d51e597fada2cf7ac05e76305da0356c24b427d
sha512 12432286cbf32d6242662f9fd67b3c3c1e89853c4853de09ec1f28ba130773d3c7b7dcb1d07935422094fb9b4ac7f89425bd5e23d1e6d676d17172ad381dcabb
ripemd-160 a2ba736a043875db9bb1bb2e5012d590d6f015ec

18171421 as geometric shapes

Circle

Radius = n
Diameter 36342842
Circumference 114174405.43777
Area 1.0373555943172E+15

Sphere

Radius = n
Volume 2.5133633641392E+22
Surface area 4.149422377269E+15
Circumference 114174405.43777

Square

Length = n
Perimeter 72685684
Area 330200541159241
Diagonal 25698270.025791

Cube

Length = n
Surface area 1981203246955446
Volume 6.0002130478324E+21
Space diagonal 31473824.417724

Equilateral Triangle

Length = n
Perimeter 54514263
Area 1.4298102849364E+14
Altitude 15736912.208862

Triangular Pyramid

Length = n
Surface area 1.4298102849364E+14
Volume 7.0713188911438E+20
Height 8566090.0085971