21091357 (number)

21091357 is an odd 8-digits composite number following 21091356 and preceding 21091358. In scientific notation, it is written as 2.1091357 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18078300 positive integers (up to 21091357) that are relatively prime to 21091357.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred fifty-seven

Notation

Scientific notation 2.1091357 × 10^7
Engineering notation 2.1091357 × 10^6

Prime Factorization of 21091357

Prime Factorization 7 × 3013051

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21091357
Product of the distinct prime numbers

The prime factorization of 21091357 is 7 × 3013051. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091357)

Multiplication

n×y
n×2 42182714
n×3 63274071
n×4 84365428
n×5 105456785

Division

n÷y
n÷2 10545678.5
n÷3 7030452.3333333
n÷3 5272839.25
n÷5 4218271.4

Exponentiation

ny
n2 444845340101449
n3 9.3823918778661E+21
n4 1.9788737660997E+29
n5 4.1737133058744E+36

Nth Root

y√n
2√n 4592.532743487
3√n 276.29191354378
4√n 67.768228127102
5√n 29.16224166186

Divisors of 21091357

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 -21091356
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 21091357 can be divided by 4 positive divisors. The sum of these divisors (counting 21091357) is 1, the average is 0.25.

Base conversion 21091357

Base System Value
2 Binary 1010000011101010000011101
3 Ternary 1110200112220101
4 Quaternary 1100131100131
5 Quinary 20344410412
6 Senary 2032021101
8 Octal 120352035
10 Decimal 21091357
12 Duodecimal 7091791
16 Hexadecimal 141d41d
20 Vigesimal 6bg87h
36 Base36 ck271

Cryptographic Hash Functions

md5 3e680db3821017f633337990da63bfbc
sha1 e38c098851752727e0cc624f045231baec2258d9
sha256 2bdb45f22069fa884a07d0501abed689e1d4618ea8d01e710849442efb1fecbb
sha512 69e3b1e33e8535c261b64588a989d8e08e817197ca4eba467f7a751a82699b34d9d8562f872ad5fb6a26481a7629595aeb1bb79fe73330395cbbbdb6afd274b9
ripemd-160 47c9d3f1ca56c5314a2c7284a97cf27574734a2f

21091357 as geometric shapes

Circle

Radius = n
Diameter 42182714
Circumference 132520904.41088
Area 1.3975228524464E+15

Sphere

Radius = n
Volume 3.9300871195473E+22
Surface area 5.5900914097855E+15
Circumference 132520904.41088

Square

Length = n
Perimeter 84365428
Area 444845340101449
Diagonal 29827683.118253

Cube

Length = n
Surface area 2669072040608694
Volume 9.3823918778661E+21
Space diagonal 36531301.924573

Equilateral Triangle

Length = n
Perimeter 63274071
Area 1.9262368264149E+14
Altitude 18265650.962287

Triangular Pyramid

Length = n
Surface area 1.9262368264149E+14
Volume 1.1057254867648E+21
Height 9942561.0394176