20450428 (number)

20450428 is an even 8-digits composite number following 20450427 and preceding 20450429. In scientific notation, it is written as 2.0450428 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 10215920 positive integers (up to 20450428) that are relatively prime to 20450428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0450428 × 10^7
Engineering notation 2.0450428 × 10^6

Prime Factorization of 20450428

Prime Factorization 2 × 2 × 2861 × 1787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10225214
Product of the distinct prime numbers

The prime factorization of 20450428 is 2 × 2 × 2861 × 1787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 56, 83, 214, 404, 6326, 8054, 45768, 68624, 723046, 330013, 7293967, 8301006, 22475772, 46926473, 738839152, 579661519, 1365015985, 2664844101

Basic calculations (n = 20450428)

Multiplication

n×y
n×2 40900856
n×3 61351284
n×4 81801712
n×5 102252140

Division

n÷y
n÷2 10225214
n÷3 6816809.3333333
n÷3 5112607
n÷5 4090085.6

Exponentiation

ny
n2 418220005383184
n3 8.5527781082484E+21
n4 1.7490797290271E+29
n5 3.5769429064728E+36

Nth Root

y√n
2√n 4522.2149440291
3√n 273.46440207479
4√n 67.247415891089
5√n 28.982809369651

Divisors of 20450428

1, 2, 4, 1787, 2861, 3574, 5722, 7148, 11444, 5112607, 10225214, 20450428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20450427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20450428 can be divided by 12 positive divisors. The sum of these divisors (counting 20450428) is 1, the average is 0.083333333333333.

Base conversion 20450428

Base System Value
2 Binary 1001110000000110001111100
3 Ternary 1102110222201021
4 Quaternary 1032000301330
5 Quinary 20213403203
6 Senary 2010153524
8 Octal 116006174
10 Decimal 20450428
12 Duodecimal 6a228a4
16 Hexadecimal 1380c7c
20 Vigesimal 67g618
36 Base36 c6bng

Cryptographic Hash Functions

md5 3a1fe1acb45d3dd11f47f751079a99cf
sha1 1058677193e0980bcedbdd2f7aee28eb9f7646a5
sha256 29d6529d8e6130aa252c22ceca4cf2b1e1e8b6342d2e6dbdcd645e670bbb625a
sha512 2c97699ae013033580a0c5d5d703ba4ab670b39b692ddf54f8a13698019c2c768bb619d7439c2e5c9e07744c9f16d68afb6cc996ef93cb96a5aa65261ea9ee70
ripemd-160 b7a196efdc70f9a23a93802507217c8eb1b45f4b

20450428 as geometric shapes

Circle

Radius = n
Diameter 40900856
Circumference 128493828.73513
Area 1.3138768964961E+15

Sphere

Radius = n
Volume 3.5825793163542E+22
Surface area 5.2555075859844E+15
Circumference 128493828.73513

Square

Length = n
Perimeter 81801712
Area 418220005383184
Diagonal 28921272.633934

Cube

Length = n
Surface area 2509320032299104
Volume 8.5527781082484E+21
Space diagonal 35421180.332529

Equilateral Triangle

Length = n
Perimeter 61351284
Area 1.8109457451635E+14
Altitude 17710590.166265

Triangular Pyramid

Length = n
Surface area 1.8109457451635E+14
Volume 1.0079545663877E+21
Height 9640424.2113115