21091386 (number)

21091386 is an even 8-digits composite number following 21091385 and preceding 21091387. In scientific notation, it is written as 2.1091386 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 7022928 positive integers (up to 21091386) that are relatively prime to 21091386.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1091386 × 10^7
Engineering notation 2.1091386 × 10^6

Prime Factorization of 21091386

Prime Factorization 2 × 3 × 2069 × 1699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21091386
Product of the distinct prime numbers

The prime factorization of 21091386 is 2 × 3 × 2069 × 1699. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 63, 48, 896, 883, 411, 581, 24844, 50386, 375628, 178444, 640803, 623728, 16063724, 4768986, 519510491, 409164047, 5126083497, 1104330414

Basic calculations (n = 21091386)

Multiplication

n×y
n×2 42182772
n×3 63274158
n×4 84365544
n×5 105456930

Division

n÷y
n÷2 10545693
n÷3 7030462
n÷3 5272846.5
n÷5 4218277.2

Exponentiation

ny
n2 444846563400996
n3 9.3824305794639E+21
n4 1.9788846496968E+29
n5 4.1737419996229E+36

Nth Root

y√n
2√n 4592.5359007851
3√n 276.29204017483
4√n 67.768251421924
5√n 29.162249681302

Divisors of 21091386

1, 2, 3, 6, 1699, 2069, 3398, 4138, 5097, 6207, 10194, 12414, 3515231, 7030462, 10545693, 21091386

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091385
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091386 can be divided by 16 positive divisors. The sum of these divisors (counting 21091386) is 1, the average is 0.0625.

Base conversion 21091386

Base System Value
2 Binary 1010000011101010000111010
3 Ternary 1110200112221110
4 Quaternary 1100131100322
5 Quinary 20344411021
6 Senary 2032021150
8 Octal 120352072
10 Decimal 21091386
12 Duodecimal 70917b6
16 Hexadecimal 141d43a
20 Vigesimal 6bg896
36 Base36 ck27u

Cryptographic Hash Functions

md5 5445882f8db383a13b08b1f2bf9d2e1e
sha1 dc7b323811c1434cee0fb7ebba3cbc008c40b793
sha256 45a2fd7ddf72882a7957849351677981907d5bb24e2efee7f59458389007ddfd
sha512 6782422254ed54c32d7de508b7e2a4c318d670d8cd93bc0baed8e307fef65faffdf4663df948f4d83007755e59e27aa2565e70caac6216ba54698ceb11a01209
ripemd-160 a7c877f5f85eaeac0ee555b9fb5c1bbb2d2c2ffe

21091386 as geometric shapes

Circle

Radius = n
Diameter 42182772
Circumference 132521086.62325
Area 1.3975266955552E+15

Sphere

Radius = n
Volume 3.9301033308347E+22
Surface area 5.5901067822209E+15
Circumference 132521086.62325

Square

Length = n
Perimeter 84365544
Area 444846563400996
Diagonal 29827724.130446

Cube

Length = n
Surface area 2669079380405976
Volume 9.3824305794639E+21
Space diagonal 36531352.154047

Equilateral Triangle

Length = n
Perimeter 63274158
Area 1.9262421234573E+14
Altitude 18265676.077023

Triangular Pyramid

Length = n
Surface area 1.9262421234573E+14
Volume 1.1057300477918E+21
Height 9942574.7101487