20646938 (number)

20646938 is an even 8-digits composite number following 20646937 and preceding 20646939. In scientific notation, it is written as 2.0646938 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 9529344 positive integers (up to 20646938) that are relatively prime to 20646938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0646938 × 10^7
Engineering notation 2.0646938 × 10^6

Prime Factorization of 20646938

Prime Factorization 2 × 13 × 794113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20646938
Product of the distinct prime numbers

The prime factorization of 20646938 is 2 × 13 × 794113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20646938)

Multiplication

n×y
n×2 41293876
n×3 61940814
n×4 82587752
n×5 103234690

Division

n÷y
n÷2 10323469
n÷3 6882312.6666667
n÷3 5161734.5
n÷5 4129387.6

Exponentiation

ny
n2 426296048775844
n3 8.8017080887198E+21
n4 1.817283212019E+29
n5 3.7521333806996E+36

Nth Root

y√n
2√n 4543.8901835322
3√n 274.33752604542
4√n 67.408383629428
5√n 29.038296190257

Divisors of 20646938

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 -20646937
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 20646938 can be divided by 8 positive divisors. The sum of these divisors (counting 20646938) is 1, the average is 0.125.

Base conversion 20646938

Base System Value
2 Binary 1001110110000110000011010
3 Ternary 1102211222021102
4 Quaternary 1032300300122
5 Quinary 20241200223
6 Senary 2014311402
8 Octal 116606032
10 Decimal 20646938
12 Duodecimal 6ab8562
16 Hexadecimal 13b0c1a
20 Vigesimal 690h6i
36 Base36 caja2

Cryptographic Hash Functions

md5 8ffafaed5d6320a4612ec3291235c35d
sha1 6b3d9f3f61f23824d3b1fbb7049330718d9685c9
sha256 1c979225439c75f67f5938eae2946b355b3a7cfc11506b7d2033aa131885ccbe
sha512 2a84f4a75ca045ed9ccc6e623158056e0b1148a8682a4792364dad4702b2fa53d1998b5f2faea478ba6200b206519cbcc3244ff74ec8894f980b6bc43469f2e0
ripemd-160 67034cbd29dabe8df1bd87738307cef30cd66acc

20646938 as geometric shapes

Circle

Radius = n
Diameter 41293876
Circumference 129728537.47985
Area 1.3392485350885E+15

Sphere

Radius = n
Volume 3.6868508627419E+22
Surface area 5.3569941403542E+15
Circumference 129728537.47985

Square

Length = n
Perimeter 82587752
Area 426296048775844
Diagonal 29199179.741076

Cube

Length = n
Surface area 2557776292655064
Volume 8.8017080887198E+21
Space diagonal 35761545.636725

Equilateral Triangle

Length = n
Perimeter 61940814
Area 1.8459160388641E+14
Altitude 17880772.818362

Triangular Pyramid

Length = n
Surface area 1.8459160388641E+14
Volume 1.0372912459264E+21
Height 9733059.9136921