20856729 (number)

20856729 is an odd 8-digits composite number following 20856728 and preceding 20856730. In scientific notation, it is written as 2.0856729 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13904484 positive integers (up to 20856729) that are relatively prime to 20856729.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-six thousand seven hundred twenty-nine

Notation

Scientific notation 2.0856729 × 10^7
Engineering notation 2.0856729 × 10^6

Prime Factorization of 20856729

Prime Factorization 3 × 6952243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20856729
Product of the distinct prime numbers

The prime factorization of 20856729 is 3 × 6952243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 89, 46, 510, 807, 4622, 8881, 32045, 78502, 933300, 439724, 9842547, 3401251, 82674375, 98395689, 662025809, 293857334, 2264981979, 4026391433

Basic calculations (n = 20856729)

Multiplication

n×y
n×2 41713458
n×3 62570187
n×4 83426916
n×5 104283645

Division

n÷y
n÷2 10428364.5
n÷3 6952243
n÷3 5214182.25
n÷5 4171345.8

Exponentiation

ny
n2 435003144579441
n3 9.0727427006412E+21
n4 1.89227735794E+29
n5 3.9466716047391E+36

Nth Root

y√n
2√n 4566.9167936366
3√n 275.2635665945
4√n 67.57896709507
5√n 29.097068712979

Divisors of 20856729

1, 3, 6952243, 20856729

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20856728
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20856729 can be divided by 4 positive divisors. The sum of these divisors (counting 20856729) is 1, the average is 0.25.

Base conversion 20856729

Base System Value
2 Binary 1001111100011111110011001
3 Ternary 1110020122001110
4 Quaternary 1033203332121
5 Quinary 20314403404
6 Senary 2023010533
8 Octal 117437631
10 Decimal 20856729
12 Duodecimal 6b99a49
16 Hexadecimal 13e3f99
20 Vigesimal 6a71g9
36 Base36 cf15l

Cryptographic Hash Functions

md5 7c54ffdb96788bd213eacbe139660971
sha1 5d6c19f632acecdd11c7af4fcc58fb8023bfa8e7
sha256 e216a6aac8aad9fe6dcf198f02c0279d44efccef23dda4022502b119762366d2
sha512 33469ba64b31b7d9d80438bce7a7edadae682faae1ec482cdfbd351c14e79a7bdb567240b8ff923508ae7bde076fa0e01e9e9d9dfd899c1650e6d0fb67d395db
ripemd-160 83506e05e046576c3423948babd9c150daf67fd5

20856729 as geometric shapes

Circle

Radius = n
Diameter 41713458
Circumference 131046693.20863
Area 1.3666026832992E+15

Sphere

Radius = n
Volume 3.8003815754993E+22
Surface area 5.4664107331969E+15
Circumference 131046693.20863

Square

Length = n
Perimeter 83426916
Area 435003144579441
Diagonal 29495869.01854

Cube

Length = n
Surface area 2610018867476646
Volume 9.0727427006412E+21
Space diagonal 36124914.307695

Equilateral Triangle

Length = n
Perimeter 62570187
Area 1.8836188696596E+14
Altitude 18062457.153848

Triangular Pyramid

Length = n
Surface area 1.8836188696596E+14
Volume 1.069232981264E+21
Height 9831956.3395134