20091818 (number)

20091818 is an even 8-digits composite number following 20091817 and preceding 20091819. In scientific notation, it is written as 2.0091818 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 9951916 positive integers (up to 20091818) that are relatively prime to 20091818.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand eight hundred eighteen

Notation

Scientific notation 2.0091818 × 10^7
Engineering notation 2.0091818 × 10^6

Prime Factorization of 20091818

Prime Factorization 2 × 107 × 93887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20091818
Product of the distinct prime numbers

The prime factorization of 20091818 is 2 × 107 × 93887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20091818)

Multiplication

n×y
n×2 40183636
n×3 60275454
n×4 80367272
n×5 100459090

Division

n÷y
n÷2 10045909
n÷3 6697272.6666667
n÷3 5022954.5
n÷5 4018363.6

Exponentiation

ny
n2 403681150545124
n3 8.1106882067832E+21
n4 1.6295847130544E+29
n5 3.274131947027E+36

Nth Root

y√n
2√n 4482.3897644002
3√n 271.85651493645
4√n 66.950651710049
5√n 28.880442764732

Divisors of 20091818

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20091817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20091818 can be divided by 8 positive divisors. The sum of these divisors (counting 20091818) is 1, the average is 0.125.

Base conversion 20091818

Base System Value
2 Binary 1001100101001001110101010
3 Ternary 1101210202210102
4 Quaternary 1030221032222
5 Quinary 20120414233
6 Senary 1554345402
8 Octal 114511652
10 Decimal 20091818
12 Duodecimal 688b262
16 Hexadecimal 13293aa
20 Vigesimal 65b9ai
36 Base36 bymy2

Cryptographic Hash Functions

md5 9ba904a17d783e92a5a1a5c4efaa97b9
sha1 dd85a1247e64c1c524cf23bf56f24c80986a654a
sha256 bb5599e77f8a05bb72751f229ad79a840796869c796766d8bbd81f71175f3d9d
sha512 56dbce3642b50ee0034d40272cf2b7241fdda976497379f6aa508826855f6f2604da96efdcb400e9e400007db7cd3418b8c37c984f1b487d1ecacfdd491eb44c
ripemd-160 dcef0cf4d4ed73a70adf33a0c34f980cf0eef7af

20091818 as geometric shapes

Circle

Radius = n
Diameter 40183636
Circumference 126240615.65213
Area 1.2682017369452E+15

Sphere

Radius = n
Volume 3.397397131465E+22
Surface area 5.0728069477809E+15
Circumference 126240615.65213

Square

Length = n
Perimeter 80367272
Area 403681150545124
Diagonal 28414121.508332

Cube

Length = n
Surface area 2422086903270744
Volume 8.1106882067832E+21
Space diagonal 34800049.592427

Equilateral Triangle

Length = n
Perimeter 60275454
Area 1.747990657005E+14
Altitude 17400024.796213

Triangular Pyramid

Length = n
Surface area 1.747990657005E+14
Volume 9.5585377185103E+20
Height 9471373.8361106