21138031 (number)

21138031 is an odd 8-digits composite number following 21138030 and preceding 21138032. In scientific notation, it is written as 2.1138031 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20822472 positive integers (up to 21138031) that are relatively prime to 21138031.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1138031 × 10^7
Engineering notation 2.1138031 × 10^6

Prime Factorization of 21138031

Prime Factorization 67 × 315493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21138031
Product of the distinct prime numbers

The prime factorization of 21138031 is 67 × 315493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21138031)

Multiplication

n×y
n×2 42276062
n×3 63414093
n×4 84552124
n×5 105690155

Division

n÷y
n÷2 10569015.5
n÷3 7046010.3333333
n÷3 5284507.75
n÷5 4227606.2

Exponentiation

ny
n2 446816354556961
n3 9.444817953932E+21
n4 1.9964485469957E+29
n5 4.22009912763E+36

Nth Root

y√n
2√n 4597.6114450875
3√n 276.49556960376
4√n 67.805688884396
5√n 29.175137135895

Divisors of 21138031

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 -21138030
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 21138031 can be divided by 4 positive divisors. The sum of these divisors (counting 21138031) is 1, the average is 0.25.

Base conversion 21138031

Base System Value
2 Binary 1010000101000101001101111
3 Ternary 1110202220221001
4 Quaternary 1100220221233
5 Quinary 20402404111
6 Senary 2033021131
8 Octal 120505157
10 Decimal 21138031
12 Duodecimal 70b47a7
16 Hexadecimal 1428a6f
20 Vigesimal 6c251b
36 Base36 cl27j

Cryptographic Hash Functions

md5 c2086e62483aa8fc6770105e097f0027
sha1 bc6bc2bfe233102c39af879c4f7f34c01528b45c
sha256 b86febbc4fe4522b9d48180e597dde1e69412cd12ef28b50e395c9926dcbaf3b
sha512 fd9c295592b2b0f2bda8d6ba1c212cf94fac13fefe9ef1e8e794515a1b8eb524f50f8602e68337f9d71b43249af549cca8d12fed651f7f39307545926b3b0bda
ripemd-160 c0e0af903184b8bc9f0e2ff60efbff8b294e6661

21138031 as geometric shapes

Circle

Radius = n
Diameter 42276062
Circumference 132814165.80191
Area 1.4037149769799E+15

Sphere

Radius = n
Volume 3.9562360931421E+22
Surface area 5.6148599079197E+15
Circumference 132814165.80191

Square

Length = n
Perimeter 84552124
Area 446816354556961
Diagonal 29893690.122063

Cube

Length = n
Surface area 2680898127341766
Volume 9.444817953932E+21
Space diagonal 36612143.663966

Equilateral Triangle

Length = n
Perimeter 63414093
Area 1.9347715693634E+14
Altitude 18306071.831983

Triangular Pyramid

Length = n
Surface area 1.9347715693634E+14
Volume 1.113082470383E+21
Height 9964563.374021