20646738 (number)

20646738 is an even 8-digits composite number following 20646737 and preceding 20646739. In scientific notation, it is written as 2.0646738 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 5552064 positive integers (up to 20646738) that are relatively prime to 20646738.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-six thousand seven hundred thirty-eight

Notation

Scientific notation 2.0646738 × 10^7
Engineering notation 2.0646738 × 10^6

Prime Factorization of 20646738

Prime Factorization 2 × 243 × 3 × 7 × 7 × 17 × 17

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 173502
Product of the distinct prime numbers

The prime factorization of 20646738 is 2 × 243 × 3 × 7 × 7 × 17 × 17. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 4, 7, 37, 653, 113, 2239, 515, 15178, 73581, 473237, 309223, 927415, 4101856, 58475310, 4753841, 643415582, 31524000, 4558990529, 2537938035

Basic calculations (n = 20646738)

Multiplication

n×y
n×2 41293476
n×3 61940214
n×4 82586952
n×5 103233690

Division

n÷y
n÷2 10323369
n÷3 6882246
n÷3 5161684.5
n÷5 4129347.6

Exponentiation

ny
n2 426287790040644
n3 8.8014523135682E+21
n4 1.8172127993774E+29
n5 3.7519516558991E+36

Nth Root

y√n
2√n 4543.8681759048
3√n 274.3366402372
4√n 67.408220388205
5√n 29.038239933182

Divisors of 20646738

1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 243, 289, 294, 357, 486, 578, 714, 729, 833, 867, 1458, 1666, 1701, 1734, 2023, 2499, 3402, 4046, 4131, 4998, 5103, 6069, 8262, 10206, 11907, 12138, 12393, 14161, 23814, 24786, 28322, 28917, 35721, 42483, 57834, 70227, 71442, 84966, 86751, 140454, 173502, 202419, 210681, 404838, 421362, 491589, 607257, 983178, 1214514, 1474767, 2949534, 3441123, 6882246, 10323369, 20646738

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20646737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20646738 can be divided by 72 positive divisors. The sum of these divisors (counting 20646738) is 1, the average is 0.013888888888889.

Base conversion 20646738

Base System Value
2 Binary 1001110110000101101010010
3 Ternary 1102211222000000
4 Quaternary 1032300231102
5 Quinary 20241143423
6 Senary 2014310430
8 Octal 116605522
10 Decimal 20646738
12 Duodecimal 6ab8416
16 Hexadecimal 13b0b52
20 Vigesimal 690ggi
36 Base36 caj4i

Cryptographic Hash Functions

md5 f62385b37f2e8d4334b203a426a65e1b
sha1 0b3517dffc46f840b794439657a6a91654b92700
sha256 0592c350b919f4d5eeb91682979e122da64010e738081bc206da6923857f564c
sha512 8387a5b8d8f0ae842a14f1bec38033b79539a4f3b949e0476ddc44f7e89cc3039385ded89430372d42e082b847fac1f65d5daa97eea4d3332133e7728da8bcea
ripemd-160 93cedf25c8e4ee8e625df2c88824ee6a0928141c

20646738 as geometric shapes

Circle

Radius = n
Diameter 41293476
Circumference 129727280.84279
Area 1.3392225895067E+15

Sphere

Radius = n
Volume 3.6867437238969E+22
Surface area 5.3568903580269E+15
Circumference 129727280.84279

Square

Length = n
Perimeter 82586952
Area 426287790040644
Diagonal 29198896.898364

Cube

Length = n
Surface area 2557726740243864
Volume 8.8014523135682E+21
Space diagonal 35761199.226563

Equilateral Triangle

Length = n
Perimeter 61940214
Area 1.8458802774916E+14
Altitude 17880599.613282

Triangular Pyramid

Length = n
Surface area 1.8458802774916E+14
Volume 1.0372611025357E+21
Height 9732965.632788