20656489 (number)

20656489 is an odd 8-digits composite number following 20656488 and preceding 20656490. In scientific notation, it is written as 2.0656489 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 17705268 positive integers (up to 20656489) that are relatively prime to 20656489.

Interesting facts

Basic properties

Name

Name twenty million six hundred fifty-six thousand four hundred eighty-nine

Notation

Scientific notation 2.0656489 × 10^7
Engineering notation 2.0656489 × 10^6

Prime Factorization of 20656489

Prime Factorization 49 × 7 × 60223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20656489
Product of the distinct prime numbers

The prime factorization of 20656489 is 49 × 7 × 60223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20656489)

Multiplication

n×y
n×2 41312978
n×3 61969467
n×4 82625956
n×5 103282445

Division

n÷y
n÷2 10328244.5
n÷3 6885496.3333333
n÷3 5164122.25
n÷5 4131297.8

Exponentiation

ny
n2 426690537807121
n3 8.8139284006169E+21
n4 1.8206481505413E+29
n5 3.7608198494527E+36

Nth Root

y√n
2√n 4544.9410337209
3√n 274.37982115947
4√n 67.416177833817
5√n 29.040982239518

Divisors of 20656489

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 -20656488
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 20656489 can be divided by 8 positive divisors. The sum of these divisors (counting 20656489) is 1, the average is 0.125.

Base conversion 20656489

Base System Value
2 Binary 1001110110011000101101001
3 Ternary 1102212110101011
4 Quaternary 1032303011221
5 Quinary 20242001424
6 Senary 2014423521
8 Octal 116630551
10 Decimal 20656489
12 Duodecimal 6b01ba1
16 Hexadecimal 13b3169
20 Vigesimal 692149
36 Base36 caqnd

Cryptographic Hash Functions

md5 c170c53a2eed2f11b372956c816394d9
sha1 27d32a9ef4fb71f61435a2e28d5bca66a092454a
sha256 d8b22d335e39738a9d5326746cf6dad07c6a6a23403331fde43f92d220e5c1f4
sha512 71c9b12ad4b779e287f7e86e314a39fb128700e096117ecffd3013ca618098a27aa27e1a34e60493230c4103cc0c33557c389313d59b8e025614bed2cdc67b34
ripemd-160 75b2d0711f4c3419658a9ad02c3bc8699ea6af6c

20656489 as geometric shapes

Circle

Radius = n
Diameter 41312978
Circumference 129788548.18272
Area 1.3404878589311E+15

Sphere

Radius = n
Volume 3.6919696950193E+22
Surface area 5.3619514357245E+15
Circumference 129788548.18272

Square

Length = n
Perimeter 82625956
Area 426690537807121
Diagonal 29212686.894811

Cube

Length = n
Surface area 2560143226842726
Volume 8.8139284006169E+21
Space diagonal 35778088.453988

Equilateral Triangle

Length = n
Perimeter 61969467
Area 1.8476242264771E+14
Altitude 17889044.226994

Triangular Pyramid

Length = n
Surface area 1.8476242264771E+14
Volume 1.0387314234948E+21
Height 9737562.2982702