20402870 (number)

20402870 is an even 8-digits composite number following 20402869 and preceding 20402871. In scientific notation, it is written as 2.0402870 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 8161144 positive integers (up to 20402870) that are relatively prime to 20402870.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred seventy

Notation

Scientific notation 2.0402870 × 10^7
Engineering notation 2.0402870 × 10^6

Prime Factorization of 20402870

Prime Factorization 2 × 5 × 2040287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402870
Product of the distinct prime numbers

The prime factorization of 20402870 is 2 × 5 × 2040287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402870)

Multiplication

n×y
n×2 40805740
n×3 61208610
n×4 81611480
n×5 102014350

Division

n÷y
n÷2 10201435
n÷3 6800956.6666667
n÷3 5100717.5
n÷5 4080574

Exponentiation

ny
n2 416277104236900
n3 8.4932476417219E+21
n4 1.7328662751186E+29
n5 3.5355445338629E+36

Nth Root

y√n
2√n 4516.9536194209
3√n 273.25225468829
4√n 67.208285348021
5√n 28.969316758066

Divisors of 20402870

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 -20402869
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 20402870 can be divided by 8 positive divisors. The sum of these divisors (counting 20402870) is 1, the average is 0.125.

Base conversion 20402870

Base System Value
2 Binary 1001101110101001010110110
3 Ternary 1102101120110212
4 Quaternary 1031311022312
5 Quinary 20210342440
6 Senary 2005145422
8 Octal 115651266
10 Decimal 20402870
12 Duodecimal 69bb272
16 Hexadecimal 13752b6
20 Vigesimal 67a73a
36 Base36 c5aye

Cryptographic Hash Functions

md5 0ccbc17bb8ceb239a77824f1e9f01288
sha1 e9bd2d5a66d4d723ec7554161d80d71f43cd7b2f
sha256 7c3c161de2c56d7d9278369c46e97b7148b36afb7bd98aad1b50083c2ee98b34
sha512 049a6a201cf835fd3a9c737586703220d9c948f294475ac609076a00f8f809d422db21e7d31e9d0ff24c84b3da13ded343c7775af0181bde884274c780c8ce5e
ripemd-160 b0ba58df68c94ad0b751ef0da7ef4d9f6aeedc9f

20402870 as geometric shapes

Circle

Radius = n
Diameter 40805740
Circumference 128195013.0083
Area 1.3077730925283E+15

Sphere

Radius = n
Volume 3.557643252847E+22
Surface area 5.2310923701131E+15
Circumference 128195013.0083

Square

Length = n
Perimeter 81611480
Area 416277104236900
Diagonal 28854015.465335

Cube

Length = n
Surface area 2497662625421400
Volume 8.4932476417219E+21
Space diagonal 35338807.460223

Equilateral Triangle

Length = n
Perimeter 61208610
Area 1.8025327364149E+14
Altitude 17669403.730111

Triangular Pyramid

Length = n
Surface area 1.8025327364149E+14
Volume 1.0009388336264E+21
Height 9618005.1551117