21372521 (number)

21372521 is an odd 8-digits composite number following 21372520 and preceding 21372522. In scientific notation, it is written as 2.1372521 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20851200 positive integers (up to 21372521) that are relatively prime to 21372521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1372521 × 10^7
Engineering notation 2.1372521 × 10^6

Prime Factorization of 21372521

Prime Factorization 41 × 521281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21372521
Product of the distinct prime numbers

The prime factorization of 21372521 is 41 × 521281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21372521)

Multiplication

n×y
n×2 42745042
n×3 64117563
n×4 85490084
n×5 106862605

Division

n÷y
n÷2 10686260.5
n÷3 7124173.6666667
n÷3 5343130.25
n÷5 4274504.2

Exponentiation

ny
n2 456784653895441
n3 9.762639607858E+21
n4 2.0865222003438E+29
n5 4.4594239543814E+36

Nth Root

y√n
2√n 4623.0423965177
3√n 277.51422592979
4√n 67.992958433338
5√n 29.239581374181

Divisors of 21372521

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 -21372520
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 21372521 can be divided by 4 positive divisors. The sum of these divisors (counting 21372521) is 1, the average is 0.25.

Base conversion 21372521

Base System Value
2 Binary 1010001100001111001101001
3 Ternary 1111012211120212
4 Quaternary 1101201321221
5 Quinary 20432410041
6 Senary 2042030505
8 Octal 121417151
10 Decimal 21372521
12 Duodecimal 71a8435
16 Hexadecimal 1461e69
20 Vigesimal 6dbb61
36 Base36 cq355

Cryptographic Hash Functions

md5 88b8ed3e7aebe68dcf38a1ee6d0d5fcc
sha1 390b6bc4e28ee31b342a0ebffe5e04f53f7244fb
sha256 0556e278ed5a39ee4d32014546024c4a8a5322cf06942d46c512ca77c3072541
sha512 a50a7d85936e970eeddcb94f0a585ec344c16930d7cfe40c09d3336c37c193b2a0d62d39d7e8545af957aabc4bbd6e2d3da5458697653787419337082737ff4e
ripemd-160 4336ac3158b6f09550ba245ceb392355682ac384

21372521 as geometric shapes

Circle

Radius = n
Diameter 42745042
Circumference 134287509.92459
Area 1.4350313129505E+15

Sphere

Radius = n
Volume 4.0893649162255E+22
Surface area 5.7401252518019E+15
Circumference 134287509.92459

Square

Length = n
Perimeter 85490084
Area 456784653895441
Diagonal 30225309.060304

Cube

Length = n
Surface area 2740707923372646
Volume 9.762639607858E+21
Space diagonal 37018292.257833

Equilateral Triangle

Length = n
Perimeter 64117563
Area 1.9779355716617E+14
Altitude 18509146.128916

Triangular Pyramid

Length = n
Surface area 1.9779355716617E+14
Volume 1.1505381114995E+21
Height 10075103.020101