18879421 (number)

18879421 is an odd 8-digits composite number following 18879420 and preceding 18879422. In scientific notation, it is written as 1.8879421 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 17163100 positive integers (up to 18879421) that are relatively prime to 18879421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8879421 × 10^7
Engineering notation 1.8879421 × 10^6

Prime Factorization of 18879421

Prime Factorization 11 × 1716311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18879421
Product of the distinct prime numbers

The prime factorization of 18879421 is 11 × 1716311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18879421)

Multiplication

n×y
n×2 37758842
n×3 56638263
n×4 75517684
n×5 94397105

Division

n÷y
n÷2 9439710.5
n÷3 6293140.3333333
n÷3 4719855.25
n÷5 3775884.2

Exponentiation

ny
n2 356432537295241
n3 6.7292399296951E+21
n4 1.2704415364272E+29
n5 2.3985200622097E+36

Nth Root

y√n
2√n 4345.0455693813
3√n 266.27448723036
4√n 65.916959649102
5√n 28.523166312758

Divisors of 18879421

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 -18879420
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 18879421 can be divided by 4 positive divisors. The sum of these divisors (counting 18879421) is 1, the average is 0.25.

Base conversion 18879421

Base System Value
2 Binary 1001000000001001110111101
3 Ternary 1022112011200211
4 Quaternary 1020001032331
5 Quinary 14313120141
6 Senary 1512352421
8 Octal 110011675
10 Decimal 18879421
12 Duodecimal 63a5711
16 Hexadecimal 12013bd
20 Vigesimal 5hjib1
36 Base36 b8ngd

Cryptographic Hash Functions

md5 b707dcfee2cab415e6e6a60fa5793b68
sha1 2bc437258b940afe2d9b257d7af83bbafc58c03d
sha256 3ba9731f34b4aacd4b69acf401971e1eba6e4d58c56287ba4d0159965aa167e5
sha512 0620c2a7a5e59ec687f37c0d1cf88caeca3200be2079d78fe1c704cc6f734b1b1bc07bf5679e22ecac6a2452c0dd73c39cc0088ba9559f724ca7fe7d46686766
ripemd-160 22b2b0ec1292efcf3f45b8d0672d6c53c121bd39

18879421 as geometric shapes

Circle

Radius = n
Diameter 37758842
Circumference 118622900.63526
Area 1.1197658406671E+15

Sphere

Radius = n
Volume 2.8187374303164E+22
Surface area 4.4790633626684E+15
Circumference 118622900.63526

Square

Length = n
Perimeter 75517684
Area 356432537295241
Diagonal 26699533.227951

Cube

Length = n
Surface area 2138595223771446
Volume 6.7292399296951E+21
Space diagonal 32700116.389483

Equilateral Triangle

Length = n
Perimeter 56638263
Area 1.5433981601651E+14
Altitude 16350058.194741

Triangular Pyramid

Length = n
Surface area 1.5433981601651E+14
Volume 7.9304853108644E+20
Height 8899844.4093171