20188181 (number)

20188181 is an odd 8-digits composite number following 20188180 and preceding 20188182. In scientific notation, it is written as 2.0188181 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 17688000 positive integers (up to 20188181) that are relatively prime to 20188181.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0188181 × 10^7
Engineering notation 2.0188181 × 10^6

Prime Factorization of 20188181

Prime Factorization 23 × 13 × 269 × 251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20188181
Product of the distinct prime numbers

The prime factorization of 20188181 is 23 × 13 × 269 × 251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 13, 74, 527, 514, 7906, 9966, 94521, 29745, 413906, 966624, 663158, 8956867, 81397216, 36744563, 986474766, 827016282, 3415334202, 7570857751

Basic calculations (n = 20188181)

Multiplication

n×y
n×2 40376362
n×3 60564543
n×4 80752724
n×5 100940905

Division

n÷y
n÷2 10094090.5
n÷3 6729393.6666667
n÷3 5047045.25
n÷5 4037636.2

Exponentiation

ny
n2 407562652088761
n3 8.2279485892079E+21
n4 1.6610731537762E+29
n5 3.3534045482676E+36

Nth Root

y√n
2√n 4493.125971971
3√n 272.29044181012
4√n 67.030783763663
5√n 28.908092650408

Divisors of 20188181

1, 13, 23, 251, 269, 299, 3263, 3497, 5773, 6187, 67519, 75049, 80431, 877747, 1552937, 20188181

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 -20188180
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 20188181 can be divided by 16 positive divisors. The sum of these divisors (counting 20188181) is 1, the average is 0.0625.

Base conversion 20188181

Base System Value
2 Binary 1001101000000110000010101
3 Ternary 1101222122222102
4 Quaternary 1031000300111
5 Quinary 20132010211
6 Senary 2000411445
8 Octal 115006025
10 Decimal 20188181
12 Duodecimal 6916b85
16 Hexadecimal 1340c15
20 Vigesimal 663a91
36 Base36 c0pat

Cryptographic Hash Functions

md5 43b43733f3d1b04d6158e2623677c515
sha1 750a6c565b6e84f1b4cc8cfcc2e4b749ed9d2262
sha256 54b058c2d262bb8b06acc12abe1e063f5cb43d163ff12a11252438174f845766
sha512 fb28bb6fac0617ecf85b86926a93b7b4c29b5b84e7af509d0fba2e42f783349c2dcd133170cbbe182aee114917bacb35153548581258be86bcd5e2ec7416f216
ripemd-160 848dacce460ee3183505de9ca28875bd102f8fb3

20188181 as geometric shapes

Circle

Radius = n
Diameter 40376362
Circumference 126846082.23788
Area 1.2803958336796E+15

Sphere

Radius = n
Volume 3.446515045596E+22
Surface area 5.1215833347185E+15
Circumference 126846082.23788

Square

Length = n
Perimeter 80752724
Area 407562652088761
Diagonal 28550399.369843

Cube

Length = n
Surface area 2445375912532566
Volume 8.2279485892079E+21
Space diagonal 34966955.204397

Equilateral Triangle

Length = n
Perimeter 60564543
Area 1.7647980517131E+14
Altitude 17483477.602198

Triangular Pyramid

Length = n
Surface area 1.7647980517131E+14
Volume 9.696730404472E+20
Height 9516799.7899476