21131372 (number)

21131372 is an even 8-digits composite number following 21131371 and preceding 21131373. In scientific notation, it is written as 2.1131372 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 10201296 positive integers (up to 21131372) that are relatively prime to 21131372.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand three hundred seventy-two

Notation

Scientific notation 2.1131372 × 10^7
Engineering notation 2.1131372 × 10^6

Prime Factorization of 21131372

Prime Factorization 2 × 2 × 29 × 182167

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10565686
Product of the distinct prime numbers

The prime factorization of 21131372 is 2 × 2 × 29 × 182167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 17, 67, 248, 396, 765, 5135, 40447, 4645, 265136, 322620, 1774165, 2420312, 95868378, 19896236, 222586496, 815309324, 3712158527, 2984645660

Basic calculations (n = 21131372)

Multiplication

n×y
n×2 42262744
n×3 63394116
n×4 84525488
n×5 105656860

Division

n÷y
n÷2 10565686
n÷3 7043790.6666667
n÷3 5282843
n÷5 4226274.4

Exponentiation

ny
n2 446534882602384
n3 9.4358947152473E+21
n4 1.9939340138072E+29
n5 4.2134561389214E+36

Nth Root

y√n
2√n 4596.8872076656
3√n 276.46653225128
4√n 67.800348138233
5√n 29.173298726975

Divisors of 21131372

1, 2, 4, 29, 58, 116, 182167, 364334, 728668, 5282843, 10565686, 21131372

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131372 can be divided by 12 positive divisors. The sum of these divisors (counting 21131372) is 1, the average is 0.083333333333333.

Base conversion 21131372

Base System Value
2 Binary 1010000100111000001101100
3 Ternary 1110202120210102
4 Quaternary 1100213001230
5 Quinary 20402200442
6 Senary 2032530232
8 Octal 120470154
10 Decimal 21131372
12 Duodecimal 70b0978
16 Hexadecimal 142706c
20 Vigesimal 6c188c
36 Base36 ckx2k

Cryptographic Hash Functions

md5 6eb6ef7f4ac04e826fd3f5e117326956
sha1 fd9151c56fda80b5d5f76d0ada8e6efa2a281c77
sha256 005f05885ac161dc6cf1a5e9db4fb9884cf74c47ca0761939856caca94c4265a
sha512 025e8e94ce342e28050ffade27edbd4159aeead50f257fed67a368dab62b2043ad08847d755ef5161df7757edda7cd811c8b93e0995c9c930c487bf25a7b313b
ripemd-160 6db3883282d68cf0a46d51fde9256b5ba0525cd9

21131372 as geometric shapes

Circle

Radius = n
Diameter 42262744
Circumference 132772326.07095
Area 1.4028307067552E+15

Sphere

Radius = n
Volume 3.9524983356624E+22
Surface area 5.6113228270209E+15
Circumference 132772326.07095

Square

Length = n
Perimeter 84525488
Area 446534882602384
Diagonal 29884272.873951

Cube

Length = n
Surface area 2679209295614304
Volume 9.4358947152473E+21
Space diagonal 36600609.937638

Equilateral Triangle

Length = n
Perimeter 63394116
Area 1.9335527600478E+14
Altitude 18300304.968819

Triangular Pyramid

Length = n
Surface area 1.9335527600478E+14
Volume 1.1120308566189E+21
Height 9961424.291317