21604865 (number)

21604865 is an odd 8-digits composite number following 21604864 and preceding 21604866. In scientific notation, it is written as 2.1604865 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17267200 positive integers (up to 21604865) that are relatively prime to 21604865.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred four thousand eight hundred sixty-five

Notation

Scientific notation 2.1604865 × 10^7
Engineering notation 2.1604865 × 10^6

Prime Factorization of 21604865

Prime Factorization 5 × 1901 × 2273

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21604865
Product of the distinct prime numbers

The prime factorization of 21604865 is 5 × 1901 × 2273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21604865)

Multiplication

n×y
n×2 43209730
n×3 64814595
n×4 86419460
n×5 108024325

Division

n÷y
n÷2 10802432.5
n÷3 7201621.6666667
n÷3 5401216.25
n÷5 4320973

Exponentiation

ny
n2 466770191668225
n3 1.0084506977016E+22
n4 2.1787441182999E+29
n5 4.7071472545414E+36

Nth Root

y√n
2√n 4648.1033766473
3√n 278.51623708579
4√n 68.177000349438
5√n 29.302880323713

Divisors of 21604865

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 -21604864
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 21604865 can be divided by 8 positive divisors. The sum of these divisors (counting 21604865) is 1, the average is 0.125.

Base conversion 21604865

Base System Value
2 Binary 1010010011010101000000001
3 Ternary 1111122122022012
4 Quaternary 1102122220001
5 Quinary 21012323430
6 Senary 2051022305
8 Octal 122325001
10 Decimal 21604865
12 Duodecimal 729a995
16 Hexadecimal 149aa01
20 Vigesimal 6f0c35
36 Base36 cv2f5

Cryptographic Hash Functions

md5 a24ef584ac11176480371c9cf3edc6d8
sha1 a6f314e1de8a04568aef8a7b4058686f257b5c56
sha256 038e264adf2674fb179a355693a430fcb8a67923195e6b7ab719748acbdb18f2
sha512 d761499da858db49f603b7a92766685bf6c2cca518448261ad7fc2e0cfd9503335bb38b384eb77dd2272c44f15bed4aa8b73df7a7dc914126b453e3824502b39
ripemd-160 0aa2889114d345068b472a9c748066641a9d2b75

21604865 as geometric shapes

Circle

Radius = n
Diameter 43209730
Circumference 135747370.3316
Area 1.4664018050596E+15

Sphere

Radius = n
Volume 4.2241884045425E+22
Surface area 5.8656072202384E+15
Circumference 135747370.3316

Square

Length = n
Perimeter 86419460
Area 466770191668225
Diagonal 30553893.09624

Cube

Length = n
Surface area 2800621150009350
Volume 1.0084506977016E+22
Space diagonal 37420723.870667

Equilateral Triangle

Length = n
Perimeter 64814595
Area 2.0211742185701E+14
Altitude 18710361.935333

Triangular Pyramid

Length = n
Surface area 2.0211742185701E+14
Volume 1.1884705447285E+21
Height 10184631.03208