21085929 (number)

21085929 is an odd 8-digits composite number following 21085928 and preceding 21085930. In scientific notation, it is written as 2.1085929 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13572384 positive integers (up to 21085929) that are relatively prime to 21085929.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand nine hundred twenty-nine

Notation

Scientific notation 2.1085929 × 10^7
Engineering notation 2.1085929 × 10^6

Prime Factorization of 21085929

Prime Factorization 9 × 29 × 80789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21085929
Product of the distinct prime numbers

The prime factorization of 21085929 is 9 × 29 × 80789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 74, 94, 336, 202, 8221, 1582, 1681, 63872, 225428, 150818, 4367588, 8464094, 51921458, 36697398, 134534239, 13734202, 8055434024, 3091054321

Basic calculations (n = 21085929)

Multiplication

n×y
n×2 42171858
n×3 63257787
n×4 84343716
n×5 105429645

Division

n÷y
n÷2 10542964.5
n÷3 7028643
n÷3 5271482.25
n÷5 4217185.8

Exponentiation

ny
n2 444616401793041
n3 9.3751498804435E+21
n4 1.9768374474339E+29
n5 4.1683454061133E+36

Nth Root

y√n
2√n 4591.9417461462
3√n 276.26820966073
4√n 67.763867555993
5√n 29.160740488224

Divisors of 21085929

1, 9, 29, 261, 80789, 727101, 2342881, 21085929

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 -21085928
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 21085929 can be divided by 8 positive divisors. The sum of these divisors (counting 21085929) is 1, the average is 0.125.

Base conversion 21085929

Base System Value
2 Binary 1010000011011111011101001
3 Ternary 1110200021110100
4 Quaternary 1100123323221
5 Quinary 20344222204
6 Senary 2031540013
8 Octal 120337351
10 Decimal 21085929
12 Duodecimal 708a609
16 Hexadecimal 141bee9
20 Vigesimal 6bfeg9
36 Base36 cjy09

Cryptographic Hash Functions

md5 39f0c146b278bc54e3640e69baf1c44b
sha1 5acd6d40b0e3f84e0386e888e93e48f29235465d
sha256 b79863209e87a4a8bb4a3dcb651ae3fb70b6e12160e5a6fe39188893c8c85fcc
sha512 37db7964890f209d9986e6868d1147eb6766b36aa0a39f1697fd49884d54b5a11443622165615d46df089e2a3704adfcc9e8a75dd77b9f6ffbbfe965e914ba5e
ripemd-160 c008746fd3d700346a42ed838e0e6a3c5ac1b571

21085929 as geometric shapes

Circle

Radius = n
Diameter 42171858
Circumference 132486799.28103
Area 1.3968036215385E+15

Sphere

Radius = n
Volume 3.9270535987606E+22
Surface area 5.5872144861542E+15
Circumference 132486799.28103

Square

Length = n
Perimeter 84343716
Area 444616401793041
Diagonal 29820006.767036

Cube

Length = n
Surface area 2667698410758246
Volume 9.3751498804435E+21
Space diagonal 36521900.35279

Equilateral Triangle

Length = n
Perimeter 63257787
Area 1.92524549446E+14
Altitude 18260950.176395

Triangular Pyramid

Length = n
Surface area 1.92524549446E+14
Volume 1.1048720091836E+21
Height 9940002.2556787