20396945 (number)

20396945 is an odd 8-digits composite number following 20396944 and preceding 20396946. In scientific notation, it is written as 2.0396945 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 16280320 positive integers (up to 20396945) that are relatively prime to 20396945.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-six thousand nine hundred forty-five

Notation

Scientific notation 2.0396945 × 10^7
Engineering notation 2.0396945 × 10^6

Prime Factorization of 20396945

Prime Factorization 5 × 461 × 8849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20396945
Product of the distinct prime numbers

The prime factorization of 20396945 is 5 × 461 × 8849. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20396945)

Multiplication

n×y
n×2 40793890
n×3 61190835
n×4 81587780
n×5 101984725

Division

n÷y
n÷2 10198472.5
n÷3 6798981.6666667
n÷3 5099236.25
n÷5 4079389

Exponentiation

ny
n2 416035365333025
n3 8.4858504647526E+21
n4 1.7308542520778E+29
n5 3.5304138982648E+36

Nth Root

y√n
2√n 4516.2977094076
3√n 273.22580127993
4√n 67.203405489659
5√n 28.96763402281

Divisors of 20396945

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 -20396944
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 20396945 can be divided by 8 positive divisors. The sum of these divisors (counting 20396945) is 1, the average is 0.125.

Base conversion 20396945

Base System Value
2 Binary 1001101110011101110010001
3 Ternary 1102101021100102
4 Quaternary 1031303232101
5 Quinary 20210200240
6 Senary 2005102145
8 Octal 115635621
10 Decimal 20396945
12 Duodecimal 69b7955
16 Hexadecimal 1373b91
20 Vigesimal 679c75
36 Base36 c56dt

Cryptographic Hash Functions

md5 d9079c46f9d6af8f2f72d1f9c52690fd
sha1 12d81f3c36e2c9e512e1bfeea66bf2198a2ca529
sha256 055b4ca0fbb7562713c8a4df52651ad1d94dbd72cbaa2463e2c7a138a202418d
sha512 f37cda07e48cbaa94a770f21fdc7ff1e27a17849ef3a196ab1feffa446fe191e21308ef6f97bf861c53e3e9a23a3ccb770f9a8b812b125608bd97c59db375898
ripemd-160 8dda9cb83390893d1ce249b48ed4981e99875fa7

20396945 as geometric shapes

Circle

Radius = n
Diameter 40793890
Circumference 128157785.13535
Area 1.3070136473638E+15

Sphere

Radius = n
Volume 3.5545447306038E+22
Surface area 5.2280545894551E+15
Circumference 128157785.13535

Square

Length = n
Perimeter 81587780
Area 416035365333025
Diagonal 28845636.249978

Cube

Length = n
Surface area 2496212191998150
Volume 8.4858504647526E+21
Space diagonal 35328545.059188

Equilateral Triangle

Length = n
Perimeter 61190835
Area 1.8014859762557E+14
Altitude 17664272.529594

Triangular Pyramid

Length = n
Surface area 1.8014859762557E+14
Volume 1.0000670679603E+21
Height 9615212.083326