20912 (number)

20912 is an even 5-digits composite number following 20911 and preceding 20913. In scientific notation, it is written as 2.0912 × 10^4. The sum of its digits is 14. It has a total of 5 prime factors and 10 positive divisors. There are 10448 positive integers (up to 20912) that are relatively prime to 20912.

Interesting facts

Basic properties

Name

Name twenty thousand nine hundred twelve

Notation

Scientific notation 2.0912 × 10^4
Engineering notation 2.0912 × 10^3

Prime Factorization of 20912

Prime Factorization 2 × 2 × 2 × 2 × 1307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2614
Product of the distinct prime numbers

The prime factorization of 20912 is 2 × 2 × 2 × 2 × 1307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 52, 30, 938, 825, 2849, 9769, 49731, 26479, 944364, 329962, 3481878, 9380718, 40461814, 642715, 259600234, 641519508, 7224867631, 1962950456

Basic calculations (n = 20912)

Multiplication

n×y
n×2 41824
n×3 62736
n×4 83648
n×5 104560

Division

n÷y
n÷2 10456
n÷3 6970.6666666667
n÷3 5228
n÷5 4182.4

Exponentiation

ny
n2 437311744
n3 9145063190528
n4 191241561440321536
n5 3.99924353284E+21

Nth Root

y√n
2√n 144.6098198602
3√n 27.550650454613
4√n 12.025382316592
5√n 7.3127228490165

Divisors of 20912

1, 2, 4, 8, 16, 1307, 2614, 5228, 10456, 20912

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20912 can be divided by 10 positive divisors. The sum of these divisors (counting 20912) is 1, the average is 0.1.

Base conversion 20912

Base System Value
2 Binary 101000110110000
3 Ternary 1001200112
4 Quaternary 11012300
5 Quinary 1132122
6 Senary 240452
8 Octal 50660
10 Decimal 20912
12 Duodecimal 10128
16 Hexadecimal 51b0
20 Vigesimal 2c5c
36 Base36 g4w

Cryptographic Hash Functions

md5 4b58db5ec33af76c6d9b968cf2c633b1
sha1 eca8332a4606bcafc993fbf35365e7d5a574f01a
sha256 ebfe0b13fd62869d1405bfc47dad4b03af2de40b6dc48959e3a9e2fb60e32c0b
sha512 03e294481285eefa2100f8114985e412b52bcfdb2878f28c43d3d21ff9ac06c2a83a8b7afaa316a48f0a248b831f22322c40aace3428dfbf5a5150f61a97cfa9
ripemd-160 c78e8ca75292397b5049c29c3d55d6e4c95a894a

20912 as geometric shapes

Circle

Radius = n
Diameter 41824
Circumference 131393.97114374
Area 1373855362.2789

Sphere

Radius = n
Volume 38306751114636
Surface area 5495421449.1158
Circumference 131393.97114374

Square

Length = n
Perimeter 83648
Area 437311744
Diagonal 29574.034016346

Cube

Length = n
Surface area 2623870464
Volume 9145063190528
Space diagonal 36220.64648788

Equilateral Triangle

Length = n
Perimeter 62736
Area 189361539.83864
Altitude 18110.32324394

Triangular Pyramid

Length = n
Surface area 189361539.83864
Volume 1077756032733.6
Height 9858.0113387821