21091356 (number)

21091356 is an even 8-digits composite number following 21091355 and preceding 21091357. In scientific notation, it is written as 2.1091356 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5529600 positive integers (up to 21091356) that are relatively prime to 21091356.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1091356 × 10^7
Engineering notation 2.1091356 × 10^6

Prime Factorization of 21091356

Prime Factorization 2 × 2 × 99 × 17 × 13 × 241

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10545678
Product of the distinct prime numbers

The prime factorization of 21091356 is 2 × 2 × 99 × 17 × 13 × 241. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091356)

Multiplication

n×y
n×2 42182712
n×3 63274068
n×4 84365424
n×5 105456780

Division

n÷y
n÷2 10545678
n÷3 7030452
n÷3 5272839
n÷5 4218271.2

Exponentiation

ny
n2 444845297918736
n3 9.3823905433301E+21
n4 1.9788733908041E+29
n5 4.1737123164376E+36

Nth Root

y√n
2√n 4592.5326346146
3√n 276.29190917719
4√n 67.768227323832
5√n 29.162241385327

Divisors of 21091356

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091355
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091356 can be divided by 48 positive divisors. The sum of these divisors (counting 21091356) is 1, the average is 0.020833333333333.

Base conversion 21091356

Base System Value
2 Binary 1010000011101010000011100
3 Ternary 1110200112220100
4 Quaternary 1100131100130
5 Quinary 20344410411
6 Senary 2032021100
8 Octal 120352034
10 Decimal 21091356
12 Duodecimal 7091790
16 Hexadecimal 141d41c
20 Vigesimal 6bg87g
36 Base36 ck270

Cryptographic Hash Functions

md5 1ebe1328ce82ea6e8b3c84c281c67d81
sha1 d0549721b408c8f7b77a68509c48664196afd382
sha256 4e23f8804f24ee45d3c110f91d8ccfcf4017a5a3af944985906bfe45de3cc6f1
sha512 7432e6b5e13de2a21b292470b78bd1ea64beed99d75d78300818b47ec8bc9f7fd82deae6f2f5fb700a1d250583a10bc9d2568d388a97b49a8b9569645b9ebad5
ripemd-160 02b022bf0c815854566d73d1d5631e2c63572220

21091356 as geometric shapes

Circle

Radius = n
Diameter 42182712
Circumference 132520898.12769
Area 1.3975227199255E+15

Sphere

Radius = n
Volume 3.9300865605382E+22
Surface area 5.5900908797019E+15
Circumference 132520898.12769

Square

Length = n
Perimeter 84365424
Area 444845297918736
Diagonal 29827681.704039

Cube

Length = n
Surface area 2669071787512416
Volume 9.3823905433301E+21
Space diagonal 36531300.192523

Equilateral Triangle

Length = n
Perimeter 63274068
Area 1.9262366437584E+14
Altitude 18265650.096261

Triangular Pyramid

Length = n
Surface area 1.9262366437584E+14
Volume 1.1057253294882E+21
Height 9942560.5680131