20180428 (number)

20180428 is an even 8-digits composite number following 20180427 and preceding 20180429. In scientific notation, it is written as 2.0180428 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 9496640 positive integers (up to 20180428) that are relatively prime to 20180428.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand four hundred twenty-eight

Notation

Scientific notation 2.0180428 × 10^7
Engineering notation 2.0180428 × 10^6

Prime Factorization of 20180428

Prime Factorization 2 × 2 × 17 × 296771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10090214
Product of the distinct prime numbers

The prime factorization of 20180428 is 2 × 2 × 17 × 296771. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 28, 79, 544, 553, 2711, 9681, 49950, 83106, 857378, 72539, 5003417, 109626, 57465470, 75530973, 836783825, 296360118, 3852485851, 9479245066

Basic calculations (n = 20180428)

Multiplication

n×y
n×2 40360856
n×3 60541284
n×4 80721712
n×5 100902140

Division

n÷y
n÷2 10090214
n÷3 6726809.3333333
n÷3 5045107
n÷5 4036085.6

Exponentiation

ny
n2 407249674263184
n3 8.2184727294916E+21
n4 1.6585229718747E+29
n5 3.3469703420263E+36

Nth Root

y√n
2√n 4492.2631267547
3√n 272.25558085038
4√n 67.024347268397
5√n 28.90587195624

Divisors of 20180428

1, 2, 4, 17, 34, 68, 296771, 593542, 1187084, 5045107, 10090214, 20180428

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 -20180427
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 20180428 can be divided by 12 positive divisors. The sum of these divisors (counting 20180428) is 1, the average is 0.083333333333333.

Base conversion 20180428

Base System Value
2 Binary 1001100111110110111001100
3 Ternary 1101222021100021
4 Quaternary 1030332313030
5 Quinary 20131233203
6 Senary 2000311524
8 Octal 114766714
10 Decimal 20180428
12 Duodecimal 69125a4
16 Hexadecimal 133edcc
20 Vigesimal 662b18
36 Base36 c0jbg

Cryptographic Hash Functions

md5 ff45fd46d5429974ede6d9504f34498c
sha1 d0ad5d29c927ad9f21a7d5ec42cb9a8ceb89e5d5
sha256 22f02380882a96d4bf298310f834ca68bfc378fe40f0ac7ee79ec1ffe4ccaa96
sha512 d7eafc152e754aed7d366e610f1c586b34a7f8a96bdd2efbee54a3687c1683cd1854879ea1238a4e65e5a19fe76f7794633d44d6bc288d4de5b1237449950faf
ripemd-160 35203199cf17aea6f8c64b84024bfddc3dd421be

20180428 as geometric shapes

Circle

Radius = n
Diameter 40360856
Circumference 126797368.7022
Area 1.2794125848421E+15

Sphere

Radius = n
Volume 3.4425458067599E+22
Surface area 5.1176503393682E+15
Circumference 126797368.7022

Square

Length = n
Perimeter 80721712
Area 407249674263184
Diagonal 28539434.972094

Cube

Length = n
Surface area 2443498045579104
Volume 8.2184727294916E+21
Space diagonal 34953526.614486

Equilateral Triangle

Length = n
Perimeter 60541284
Area 1.7634428179743E+14
Altitude 17476763.307243

Triangular Pyramid

Length = n
Surface area 1.7634428179743E+14
Volume 9.6855629967004E+20
Height 9513144.9906979