20681940 (number)

20681940 is an even 8-digits composite number following 20681939 and preceding 20681941. In scientific notation, it is written as 2.0681940 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 5447424 positive integers (up to 20681940) that are relatively prime to 20681940.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand nine hundred forty

Notation

Scientific notation 2.0681940 × 10^7
Engineering notation 2.0681940 × 10^6

Prime Factorization of 20681940

Prime Factorization 2 × 2 × 3 × 5 × 83 × 4153

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10340970
Product of the distinct prime numbers

The prime factorization of 20681940 is 2 × 2 × 3 × 5 × 83 × 4153. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681940)

Multiplication

n×y
n×2 41363880
n×3 62045820
n×4 82727760
n×5 103409700

Division

n÷y
n÷2 10340970
n÷3 6893980
n÷3 5170485
n÷5 4136388

Exponentiation

ny
n2 427742642163600
n3 8.846547660669E+21
n4 1.829637679251E+29
n5 3.7840456704008E+36

Nth Root

y√n
2√n 4547.7400981147
3√n 274.49246332173
4√n 67.436934228319
5√n 29.048135033365

Divisors of 20681940

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681940 can be divided by 48 positive divisors. The sum of these divisors (counting 20681940) is 1, the average is 0.020833333333333.

Base conversion 20681940

Base System Value
2 Binary 1001110111001010011010100
3 Ternary 1102220202021210
4 Quaternary 1032321103110
5 Quinary 20243310230
6 Senary 2015141420
8 Octal 116712324
10 Decimal 20681940
12 Duodecimal 6b14870
16 Hexadecimal 13b94d4
20 Vigesimal 6954h0
36 Base36 cbaac

Cryptographic Hash Functions

md5 ec03a81c8ad92a68086cc030614998e4
sha1 b6f8aaed5fdc95011caeba66b5785f99e7acbfe3
sha256 78788c4b19042ecbaaf4425e298e7f72ca621e556b7d583a185fd5f39f1993e1
sha512 cd29db2d62cbfc233dd94e2884896f94f535732ef65e507c686ff60e18222527f1fc2a733c2d0122ae5179bdbaaf4e386e8df37152b406c136252275eb76fecc
ripemd-160 05e2e331106fb79de9d4aa2a78822f946061368b

20681940 as geometric shapes

Circle

Radius = n
Diameter 41363880
Circumference 129948461.53197
Area 1.3437931422483E+15

Sphere

Radius = n
Volume 3.7056332187186E+22
Surface area 5.375172568993E+15
Circumference 129948461.53197

Square

Length = n
Perimeter 82727760
Area 427742642163600
Diagonal 29248680.044187

Cube

Length = n
Surface area 2566455852981600
Volume 8.846547660669E+21
Space diagonal 35822170.879091

Equilateral Triangle

Length = n
Perimeter 62045820
Area 1.8521799719778E+14
Altitude 17911085.439546

Triangular Pyramid

Length = n
Surface area 1.8521799719778E+14
Volume 1.0425756401582E+21
Height 9749560.0147289