21131239 (number)

21131239 is an odd 8-digits composite number following 21131238 and preceding 21131240. In scientific notation, it is written as 2.1131239 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 21090160 positive integers (up to 21131239) that are relatively prime to 21131239.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131239 × 10^7
Engineering notation 2.1131239 × 10^6

Prime Factorization of 21131239

Prime Factorization 521 × 40559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131239
Product of the distinct prime numbers

The prime factorization of 21131239 is 521 × 40559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131239)

Multiplication

n×y
n×2 42262478
n×3 63393717
n×4 84524956
n×5 105656195

Division

n÷y
n÷2 10565619.5
n÷3 7043746.3333333
n÷3 5282809.75
n÷5 4226247.8

Exponentiation

ny
n2 446529261675121
n3 9.4357165489505E+21
n4 1.9938838153213E+29
n5 4.2133235439786E+36

Nth Root

y√n
2√n 4596.8727413319
3√n 276.465952227
4√n 67.80024145482
5√n 29.173262003771

Divisors of 21131239

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 -21131238
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 21131239 can be divided by 4 positive divisors. The sum of these divisors (counting 21131239) is 1, the average is 0.25.

Base conversion 21131239

Base System Value
2 Binary 1010000100110111111100111
3 Ternary 1110202120121111
4 Quaternary 1100212333213
5 Quinary 20402144424
6 Senary 2032525451
8 Octal 120467747
10 Decimal 21131239
12 Duodecimal 70b0887
16 Hexadecimal 1426fe7
20 Vigesimal 6c181j
36 Base36 ckwyv

Cryptographic Hash Functions

md5 194e72a862016966065f98602d9f9ada
sha1 8082a004696a9ba975869cfab883ee38fb48a9ff
sha256 9b42b6893a6fab702f42670ebb816e963e5e8d61ed094975dda652b6d7a7c265
sha512 c1cde31c7af086c2633d6b77bb040343b8abd7b02bc988e52ce7545becd08b2019c411270c8606950086cb8a97364bb1a1e239631e71062704bd2ab74ac583c8
ripemd-160 99bfbbeef627be33decb162ce263c3b75c94e4a4

21131239 as geometric shapes

Circle

Radius = n
Diameter 42262478
Circumference 132771490.4073
Area 1.4028130480914E+15

Sphere

Radius = n
Volume 3.9524237055385E+22
Surface area 5.6112521923657E+15
Circumference 132771490.4073

Square

Length = n
Perimeter 84524956
Area 446529261675121
Diagonal 29884084.783547

Cube

Length = n
Surface area 2679175570050726
Volume 9.4357165489505E+21
Space diagonal 36600379.574881

Equilateral Triangle

Length = n
Perimeter 63393717
Area 1.9335284207188E+14
Altitude 18300189.78744

Triangular Pyramid

Length = n
Surface area 1.9335284207188E+14
Volume 1.1120098595195E+21
Height 9961361.5945158