21131438 (number)

21131438 is an even 8-digits composite number following 21131437 and preceding 21131439. In scientific notation, it is written as 2.1131438 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10565718 positive integers (up to 21131438) that are relatively prime to 21131438.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand four hundred thirty-eight

Notation

Scientific notation 2.1131438 × 10^7
Engineering notation 2.1131438 × 10^6

Prime Factorization of 21131438

Prime Factorization 2 × 10565719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131438
Product of the distinct prime numbers

The prime factorization of 21131438 is 2 × 10565719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 9, 68, 25, 823, 5162, 9080, 2967, 58076, 268998, 84330, 2931495, 3766958, 37035442, 51308644, 597412844, 97264686, 5022727833, 1003791586

Basic calculations (n = 21131438)

Multiplication

n×y
n×2 42262876
n×3 63394314
n×4 84525752
n×5 105657190

Division

n÷y
n÷2 10565719
n÷3 7043812.6666667
n÷3 5282859.5
n÷5 4226287.6

Exponentiation

ny
n2 446537671947844
n3 9.4359831294302E+21
n4 1.993958924686E+29
n5 4.2135219391549E+36

Nth Root

y√n
2√n 4596.8943864309
3√n 276.46682008196
4√n 67.800401078688
5√n 29.173316950452

Divisors of 21131438

1, 2, 10565719, 21131438

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 -21131437
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 21131438 can be divided by 4 positive divisors. The sum of these divisors (counting 21131438) is 1, the average is 0.25.

Base conversion 21131438

Base System Value
2 Binary 1010000100111000010101110
3 Ternary 1110202120212212
4 Quaternary 1100213002232
5 Quinary 20402201223
6 Senary 2032530422
8 Octal 120470256
10 Decimal 21131438
12 Duodecimal 70b0a12
16 Hexadecimal 14270ae
20 Vigesimal 6c18bi
36 Base36 ckx4e

Cryptographic Hash Functions

md5 d155b3a2e55d020b648114ba8f9c6416
sha1 9f00dea40f85d7564872cae370311d64c798d8dd
sha256 83c4d48dcc540cf95dbfcf33b6000b4c06660ef129302346121a861e3a5d71bd
sha512 d36f6c60b19ed5f2be893c136b43f7795e39e5702fb62a8efac07fd553cb15422519587229dd40d94ee139a94bfb1b444bc9a23493db607bb8041bbe76a07784
ripemd-160 a1d6e3eae2c02903df8713244b8105576520ad45

21131438 as geometric shapes

Circle

Radius = n
Diameter 42262876
Circumference 132772740.76118
Area 1.4028394697424E+15

Sphere

Radius = n
Volume 3.9525353705087E+22
Surface area 5.6113578789697E+15
Circumference 132772740.76118

Square

Length = n
Perimeter 84525752
Area 446537671947844
Diagonal 29884366.212046

Cube

Length = n
Surface area 2679226031687064
Volume 9.4359831294302E+21
Space diagonal 36600724.252992

Equilateral Triangle

Length = n
Perimeter 63394314
Area 1.933564838268E+14
Altitude 18300362.126496

Triangular Pyramid

Length = n
Surface area 1.933564838268E+14
Volume 1.1120412763303E+21
Height 9961455.4040154