21091382 (number)

21091382 is an even 8-digits composite number following 21091381 and preceding 21091383. In scientific notation, it is written as 2.1091382 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 9734472 positive integers (up to 21091382) that are relatively prime to 21091382.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred eighty-two

Notation

Scientific notation 2.1091382 × 10^7
Engineering notation 2.1091382 × 10^6

Prime Factorization of 21091382

Prime Factorization 2 × 13 × 811207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21091382
Product of the distinct prime numbers

The prime factorization of 21091382 is 2 × 13 × 811207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091382)

Multiplication

n×y
n×2 42182764
n×3 63274146
n×4 84365528
n×5 105456910

Division

n÷y
n÷2 10545691
n÷3 7030460.6666667
n÷3 5272845.5
n÷5 4218276.4

Exponentiation

ny
n2 444846394669924
n3 9.3824252413061E+21
n4 1.9788831485083E+29
n5 4.1737380418551E+36

Nth Root

y√n
2√n 4592.5354652958
3√n 276.29202270848
4√n 67.768248208847
5√n 29.162248575172

Divisors of 21091382

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091381
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091382 can be divided by 8 positive divisors. The sum of these divisors (counting 21091382) is 1, the average is 0.125.

Base conversion 21091382

Base System Value
2 Binary 1010000011101010000110110
3 Ternary 1110200112221022
4 Quaternary 1100131100312
5 Quinary 20344411012
6 Senary 2032021142
8 Octal 120352066
10 Decimal 21091382
12 Duodecimal 70917b2
16 Hexadecimal 141d436
20 Vigesimal 6bg892
36 Base36 ck27q

Cryptographic Hash Functions

md5 e10366bef4152b7bfa2184388ca644e0
sha1 8901ea521c3b482243c2ef0b67caa7a67e818898
sha256 277ff9b7e87cef74a824e6bc4f6629c8db58b46af8a1e5ec254d5063fc1176b5
sha512 e691c19a5061a03d7d2569b55bb7dfdea90574faa85f5d8b147dc86c961ec22fb6968a62425a1fd0281d7e4e1f4177441162f7917230cb0af89d814766401ff9
ripemd-160 0cc6df694c0e5a579671bf75246e2f969a7d210f

21091382 as geometric shapes

Circle

Radius = n
Diameter 42182764
Circumference 132521061.49051
Area 1.3975261654709E+15

Sphere

Radius = n
Volume 3.9301010947924E+22
Surface area 5.5901046618838E+15
Circumference 132521061.49051

Square

Length = n
Perimeter 84365528
Area 444846394669924
Diagonal 29827718.473592

Cube

Length = n
Surface area 2669078368019544
Volume 9.3824252413061E+21
Space diagonal 36531345.225844

Equilateral Triangle

Length = n
Perimeter 63274146
Area 1.9262413928304E+14
Altitude 18265672.612922

Triangular Pyramid

Length = n
Surface area 1.9262413928304E+14
Volume 1.1057294186839E+21
Height 9942572.8245306