20405428 (number)

20405428 is an even 8-digits composite number following 20405427 and preceding 20405429. In scientific notation, it is written as 2.0405428 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10202712 positive integers (up to 20405428) that are relatively prime to 20405428.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand four hundred twenty-eight

Notation

Scientific notation 2.0405428 × 10^7
Engineering notation 2.0405428 × 10^6

Prime Factorization of 20405428

Prime Factorization 2 × 2 × 5101357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10202714
Product of the distinct prime numbers

The prime factorization of 20405428 is 2 × 2 × 5101357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405428)

Multiplication

n×y
n×2 40810856
n×3 61216284
n×4 81621712
n×5 102027140

Division

n÷y
n÷2 10202714
n÷3 6801809.3333333
n÷3 5101357
n÷5 4081085.6

Exponentiation

ny
n2 416381491863184
n3 8.4964425527468E+21
n4 1.7337354676621E+29
n5 3.5377614256425E+36

Nth Root

y√n
2√n 4517.2367659887
3√n 273.26367383435
4√n 67.210391800589
5√n 28.970043124467

Divisors of 20405428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405428 can be divided by 6 positive divisors. The sum of these divisors (counting 20405428) is 1, the average is 0.16666666666667.

Base conversion 20405428

Base System Value
2 Binary 1001101110101110010110100
3 Ternary 1102101200222121
4 Quaternary 1031311302310
5 Quinary 20210433203
6 Senary 2005205324
8 Octal 115656264
10 Decimal 20405428
12 Duodecimal 6a00844
16 Hexadecimal 1375cb4
20 Vigesimal 67adb8
36 Base36 c5cxg

Cryptographic Hash Functions

md5 68a51a5cca574f1073f48bf07f7deb86
sha1 8736ac9c76cdbb786ff8c79bb4abf4bc3cf894c3
sha256 8a97b9a5d622594b0180298a3e3fab1821902a3f9e46f7ddf967e747b09f5fa4
sha512 b21255e9adedb0972c3bc03c4a041dd8e62915ef9dd6f72ab9a7a42b51cf03764ab5e1df01ededd0390afa84f2d68372e5f5083053053cbc53f62a0a53be3d5a
ripemd-160 8906f5ab6293aa86ce408b7e655a2c4b1266a6b1

20405428 as geometric shapes

Circle

Radius = n
Diameter 40810856
Circumference 128211085.39631
Area 1.3081010359281E+15

Sphere

Radius = n
Volume 3.5589815340476E+22
Surface area 5.2324041437125E+15
Circumference 128211085.39631

Square

Length = n
Perimeter 81621712
Area 416381491863184
Diagonal 28857633.023628

Cube

Length = n
Surface area 2498288951179104
Volume 8.4964425527468E+21
Space diagonal 35343238.046189

Equilateral Triangle

Length = n
Perimeter 61216284
Area 1.8029847480959E+14
Altitude 17671619.023094

Triangular Pyramid

Length = n
Surface area 1.8029847480959E+14
Volume 1.0013153575015E+21
Height 9619211.0078759