20138818 (number)

20138818 is an even 8-digits composite number following 20138817 and preceding 20138819. In scientific notation, it is written as 2.0138818 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8333136 positive integers (up to 20138818) that are relatively prime to 20138818.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand eight hundred eighteen

Notation

Scientific notation 2.0138818 × 10^7
Engineering notation 2.0138818 × 10^6

Prime Factorization of 20138818

Prime Factorization 2 × 7 × 29 × 49603

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138818
Product of the distinct prime numbers

The prime factorization of 20138818 is 2 × 7 × 29 × 49603. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 60, 72, 38, 756, 1750, 1588, 80826, 77683, 425518, 758722, 3031296, 9258499, 40665286, 69249394, 611470725, 372143200, 2832816707, 7702318162

Basic calculations (n = 20138818)

Multiplication

n×y
n×2 40277636
n×3 60416454
n×4 80555272
n×5 100694090

Division

n÷y
n÷2 10069409
n÷3 6712939.3333333
n÷3 5034704.5
n÷5 4027763.6

Exponentiation

ny
n2 405571990437124
n3 8.167740501311E+21
n4 1.6448863942713E+29
n5 3.3126067724906E+36

Nth Root

y√n
2√n 4487.6294410301
3√n 272.06833094399
4√n 66.989771167172
5√n 28.893941916303

Divisors of 20138818

1, 2, 7, 14, 29, 58, 203, 406, 49603, 99206, 347221, 694442, 1438487, 2876974, 10069409, 20138818

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138818 can be divided by 16 positive divisors. The sum of these divisors (counting 20138818) is 1, the average is 0.0625.

Base conversion 20138818

Base System Value
2 Binary 1001100110100101101000010
3 Ternary 1101220011021011
4 Quaternary 1030310231002
5 Quinary 20123420233
6 Senary 1555351134
8 Octal 114645502
10 Decimal 20138818
12 Duodecimal 68b24aa
16 Hexadecimal 1334b42
20 Vigesimal 65h70i
36 Base36 bzn7m

Cryptographic Hash Functions

md5 3c11430d3950541f81e1d1b51c03a831
sha1 2cab5ec788f15fee21e3f5e1ff3d0efc30646507
sha256 7dff00a8dee92fae9fd877912fa8ae77e079af10aef9ebdbf1b5d3f7002e28ac
sha512 53279e9b02f2079f94e984be5320cff309e0bb83703110514634b0e7085064a9700b1981e4a286f3c039bad17dac3255432dbc1289d42e382d687a6419e4c308
ripemd-160 347f6b23cd68b5e0b4defa84bae1d8956503d3a7

20138818 as geometric shapes

Circle

Radius = n
Diameter 40277636
Circumference 126535925.36156
Area 1.2741419856591E+15

Sphere

Radius = n
Volume 3.4212951407129E+22
Surface area 5.0965679426362E+15
Circumference 126535925.36156

Square

Length = n
Perimeter 80555272
Area 405571990437124
Diagonal 28480589.545763

Cube

Length = n
Surface area 2433431942622744
Volume 8.167740501311E+21
Space diagonal 34881455.980383

Equilateral Triangle

Length = n
Perimeter 60416454
Area 1.7561782339098E+14
Altitude 17440727.990191

Triangular Pyramid

Length = n
Surface area 1.7561782339098E+14
Volume 9.625774492415E+20
Height 9493529.8485878