20856872 (number)

20856872 is an even 8-digits composite number following 20856871 and preceding 20856873. In scientific notation, it is written as 2.0856872 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors. There are 10428432 positive integers (up to 20856872) that are relatively prime to 20856872.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-six thousand eight hundred seventy-two

Notation

Scientific notation 2.0856872 × 10^7
Engineering notation 2.0856872 × 10^6

Prime Factorization of 20856872

Prime Factorization 2 × 2 × 2 × 2607109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5214218
Product of the distinct prime numbers

The prime factorization of 20856872 is 2 × 2 × 2 × 2607109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20856872)

Multiplication

n×y
n×2 41713744
n×3 62570616
n×4 83427488
n×5 104284360

Division

n÷y
n÷2 10428436
n÷3 6952290.6666667
n÷3 5214218
n÷5 4171374.4

Exponentiation

ny
n2 435009109624384
n3 9.0729293182697E+21
n4 1.892329254562E+29
n5 3.9468069044255E+36

Nth Root

y√n
2√n 4566.9324496866
3√n 275.26419568963
4√n 67.579082930198
5√n 29.097108612518

Divisors of 20856872

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 -20856871
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 20856872 can be divided by 8 positive divisors. The sum of these divisors (counting 20856872) is 1, the average is 0.125.

Base conversion 20856872

Base System Value
2 Binary 1001111100100000000101000
3 Ternary 1110020122020202
4 Quaternary 1033210000220
5 Quinary 20314404442
6 Senary 2023011332
8 Octal 117440050
10 Decimal 20856872
12 Duodecimal 6b99b48
16 Hexadecimal 13e4028
20 Vigesimal 6a723c
36 Base36 cf19k

Cryptographic Hash Functions

md5 07c3db838eb14741765d1b529c84b1b7
sha1 4a8e6fc573bb02e013d3f84cd7a41cadae403562
sha256 d8f9d031d367a8feaaa63a337d936f94efc1e563f499a00be0f1f27fb9836a9e
sha512 92637d3094d75bb4a4e0e21d37b7280662f8cc52070fcb557f578c065e0311332b95355e8677597de43ac6290464347751477108e0e12a59a6db24b7b125de46
ripemd-160 347744629888e92334d1bcf42de9d080f343fd9c

20856872 as geometric shapes

Circle

Radius = n
Diameter 41713744
Circumference 131047591.70413
Area 1.3666214230406E+15

Sphere

Radius = n
Volume 3.8004597457088E+22
Surface area 5.4664856921624E+15
Circumference 131047591.70413

Square

Length = n
Perimeter 83427488
Area 435009109624384
Diagonal 29496071.25108

Cube

Length = n
Surface area 2610054657746304
Volume 9.0729293182697E+21
Space diagonal 36125161.990961

Equilateral Triangle

Length = n
Perimeter 62570616
Area 1.8836446990618E+14
Altitude 18062580.99548

Triangular Pyramid

Length = n
Surface area 1.8836446990618E+14
Volume 1.0692549743625E+21
Height 9832023.7503599