20180828 (number)

20180828 is an even 8-digits composite number following 20180827 and preceding 20180829. In scientific notation, it is written as 2.0180828 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 10052640 positive integers (up to 20180828) that are relatively prime to 20180828.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180828 × 10^7
Engineering notation 2.0180828 × 10^6

Prime Factorization of 20180828

Prime Factorization 2 × 2 × 271 × 18617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10090414
Product of the distinct prime numbers

The prime factorization of 20180828 is 2 × 2 × 271 × 18617. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 69, 5, 135, 55, 3325, 4955, 55577, 27282, 754389, 727235, 5542180, 2654269, 52314741, 82489152, 41241325, 437876868, 7488595153, 9416064819

Basic calculations (n = 20180828)

Multiplication

n×y
n×2 40361656
n×3 60542484
n×4 80723312
n×5 100904140

Division

n÷y
n÷2 10090414
n÷3 6726942.6666667
n÷3 5045207
n÷5 4036165.6

Exponentiation

ny
n2 407265818765584
n3 8.2189614387874E+21
n4 1.658654471348E+29
n5 3.3473020597705E+36

Nth Root

y√n
2√n 4492.3076475237
3√n 272.25737964792
4√n 67.024679391428
5√n 28.905986545059

Divisors of 20180828

1, 2, 4, 271, 542, 1084, 18617, 37234, 74468, 5045207, 10090414, 20180828

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 -20180827
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 20180828 can be divided by 12 positive divisors. The sum of these divisors (counting 20180828) is 1, the average is 0.083333333333333.

Base conversion 20180828

Base System Value
2 Binary 1001100111110111101011100
3 Ternary 1101222021220002
4 Quaternary 1030332331130
5 Quinary 20131241303
6 Senary 2000313432
8 Octal 114767534
10 Decimal 20180828
12 Duodecimal 6912878
16 Hexadecimal 133ef5c
20 Vigesimal 662c18
36 Base36 c0jmk

Cryptographic Hash Functions

md5 a0a3f07e1389badc59c69638020e91b8
sha1 a76e2918e12588903378e9c8d429795427284ede
sha256 5f74233bd35d47ce29addccc4e7565832dfc1ab9b1e43e12bdcd24f729b9fbf8
sha512 c02ed2753f387f63b2483c853cecf23fcb32d2113e20253503196cd2b077655f0609b95f1639ccd58a2de27d723c2add81f5237b15b1441d35b3700c6d63e927
ripemd-160 6a1442172b9457cfc0f6f642d79998455cd8d2f2

20180828 as geometric shapes

Circle

Radius = n
Diameter 40361656
Circumference 126799881.97632
Area 1.2794633042922E+15

Sphere

Radius = n
Volume 3.442750516831E+22
Surface area 5.1178532171688E+15
Circumference 126799881.97632

Square

Length = n
Perimeter 80723312
Area 407265818765584
Diagonal 28540000.657519

Cube

Length = n
Surface area 2443594912593504
Volume 8.2189614387874E+21
Space diagonal 34954219.434809

Equilateral Triangle

Length = n
Perimeter 60542484
Area 1.7635127257203E+14
Altitude 17477109.717404

Triangular Pyramid

Length = n
Surface area 1.7635127257203E+14
Volume 9.6861389461289E+20
Height 9513333.5525062