21139942 (number)

21139942 is an even 8-digits composite number following 21139941 and preceding 21139943. In scientific notation, it is written as 2.1139942 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9735808 positive integers (up to 21139942) that are relatively prime to 21139942.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-nine thousand nine hundred forty-two

Notation

Scientific notation 2.1139942 × 10^7
Engineering notation 2.1139942 × 10^6

Prime Factorization of 21139942

Prime Factorization 2 × 17 × 47 × 13229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21139942
Product of the distinct prime numbers

The prime factorization of 21139942 is 2 × 17 × 47 × 13229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 3, 25, 666, 244, 6971, 2096, 58002, 71905, 897370, 976536, 6835764, 6220369, 79742130, 89117992, 499991903, 736237686, 1371767753, 3664374882

Basic calculations (n = 21139942)

Multiplication

n×y
n×2 42279884
n×3 63419826
n×4 84559768
n×5 105699710

Division

n÷y
n÷2 10569971
n÷3 7046647.3333333
n÷3 5284985.5
n÷5 4227988.4

Exponentiation

ny
n2 446897147763364
n3 9.4473797836829E+21
n4 1.9971706067903E+29
n5 4.2220070791652E+36

Nth Root

y√n
2√n 4597.8192656954
3√n 276.50390161778
4√n 67.807221338847
5√n 29.175664636976

Divisors of 21139942

1, 2, 17, 34, 47, 94, 799, 1598, 13229, 26458, 224893, 449786, 621763, 1243526, 10569971, 21139942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21139941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21139942 can be divided by 16 positive divisors. The sum of these divisors (counting 21139942) is 1, the average is 0.0625.

Base conversion 21139942

Base System Value
2 Binary 1010000101001000111100110
3 Ternary 1110210000112211
4 Quaternary 1100221013212
5 Quinary 20402434232
6 Senary 2033034034
8 Octal 120510746
10 Decimal 21139942
12 Duodecimal 70b591a
16 Hexadecimal 14291e6
20 Vigesimal 6c29h2
36 Base36 cl3om

Cryptographic Hash Functions

md5 7182d4323e4ed74c97c1bdbfd74d6365
sha1 7b0c18d5637e8e3ca21a78065b6bab3c08a06c56
sha256 24322f1aa481f018a2344c5bbe4f2eab1560c0ba432caa7aa0531418e2309359
sha512 c1d1bf69b711f487341fa491c85a368ebdbf7899323e1716df24790bc7a53a0fc6ddf608fb9258f5fb03415d0787984e249b6820ca5a319f8457be909048fb60
ripemd-160 01e061f4c259c5cad7181e2cfbda11ce93c357ae

21139942 as geometric shapes

Circle

Radius = n
Diameter 42279884
Circumference 132826172.96903
Area 1.4039687963236E+15

Sphere

Radius = n
Volume 3.9573091898788E+22
Surface area 5.6158751852945E+15
Circumference 132826172.96903

Square

Length = n
Perimeter 84559768
Area 446897147763364
Diagonal 29896392.684181

Cube

Length = n
Surface area 2681382886580184
Volume 9.4473797836829E+21
Space diagonal 36615453.613059

Equilateral Triangle

Length = n
Perimeter 63419826
Area 1.9351214142094E+14
Altitude 18307726.80653

Triangular Pyramid

Length = n
Surface area 1.9351214142094E+14
Volume 1.1133843849145E+21
Height 9965464.2280602