21131249 (number)

21131249 is an odd 8-digits composite number following 21131248 and preceding 21131250. In scientific notation, it is written as 2.1131249 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20019060 positive integers (up to 21131249) that are relatively prime to 21131249.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131249 × 10^7
Engineering notation 2.1131249 × 10^6

Prime Factorization of 21131249

Prime Factorization 19 × 1112171

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131249
Product of the distinct prime numbers

The prime factorization of 21131249 is 19 × 1112171. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131249)

Multiplication

n×y
n×2 42262498
n×3 63393747
n×4 84524996
n×5 105656245

Division

n÷y
n÷2 10565624.5
n÷3 7043749.6666667
n÷3 5282812.25
n÷5 4226249.8

Exponentiation

ny
n2 446529684300001
n3 9.4357299448347E+21
n4 1.9938875896106E+29
n5 4.2133335134071E+36

Nth Root

y√n
2√n 4596.8738290277
3√n 276.46599583794
4√n 67.800249476147
5√n 29.17326476492

Divisors of 21131249

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 -21131248
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 21131249 can be divided by 4 positive divisors. The sum of these divisors (counting 21131249) is 1, the average is 0.25.

Base conversion 21131249

Base System Value
2 Binary 1010000100110111111110001
3 Ternary 1110202120121212
4 Quaternary 1100212333301
5 Quinary 20402144444
6 Senary 2032525505
8 Octal 120467761
10 Decimal 21131249
12 Duodecimal 70b0895
16 Hexadecimal 1426ff1
20 Vigesimal 6c1829
36 Base36 ckwz5

Cryptographic Hash Functions

md5 d80b307aa577e7c4358bc411216dcd29
sha1 6fe6619996db57eb0a2e4e48a7fd73597947c272
sha256 d4b0c1362a9d596d991029cfd67f34dbe81720378bad0d6911ea70a0717d6af4
sha512 d921f0a16c95e9728765ce3353dbe377a25930844de67ecf29374ef4fb465c01e700d6cab0e6680232593caea551943519b7651a513accb1b4beb23cb4abb490
ripemd-160 26499ad2c1f66e2b4033c80397e1706591f7e893

21131249 as geometric shapes

Circle

Radius = n
Diameter 42262498
Circumference 132771553.23915
Area 1.4028143758067E+15

Sphere

Radius = n
Volume 3.9524293167933E+22
Surface area 5.6112575032266E+15
Circumference 132771553.23915

Square

Length = n
Perimeter 84524996
Area 446529684300001
Diagonal 29884098.925683

Cube

Length = n
Surface area 2679178105800006
Volume 9.4357299448347E+21
Space diagonal 36600396.895389

Equilateral Triangle

Length = n
Perimeter 63393747
Area 1.9335302507382E+14
Altitude 18300198.447695

Triangular Pyramid

Length = n
Surface area 1.9335302507382E+14
Volume 1.1120114382396E+21
Height 9961366.308561