18808218 (number)

18808218 is an even 8-digits composite number following 18808217 and preceding 18808219. In scientific notation, it is written as 1.8808218 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 5260320 positive integers (up to 18808218) that are relatively prime to 18808218.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eight thousand two hundred eighteen

Notation

Scientific notation 1.8808218 × 10^7
Engineering notation 1.8808218 × 10^6

Prime Factorization of 18808218

Prime Factorization 2 × 99 × 13 × 7307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18808218
Product of the distinct prime numbers

The prime factorization of 18808218 is 2 × 99 × 13 × 7307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 40, 7, 557, 836, 8868, 2193, 95833, 52659, 715869, 75850, 1067414, 9255222, 71480608, 25817705, 28164997, 739921677, 3486162391, 69928800

Basic calculations (n = 18808218)

Multiplication

n×y
n×2 37616436
n×3 56424654
n×4 75232872
n×5 94041090

Division

n÷y
n÷2 9404109
n÷3 6269406
n÷3 4702054.5
n÷5 3761643.6

Exponentiation

ny
n2 353749064335524
n3 6.6533895193186E+21
n4 1.2513840051826E+29
n5 2.3536303171187E+36

Nth Root

y√n
2√n 4336.8442443786
3√n 265.93931756884
4√n 65.854720744823
5√n 28.501618980356

Divisors of 18808218

1, 2, 13, 26, 99, 198, 1287, 2574, 7307, 14614, 94991, 189982, 723393, 1446786, 9404109, 18808218

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 -18808217
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 18808218 can be divided by 16 positive divisors. The sum of these divisors (counting 18808218) is 1, the average is 0.0625.

Base conversion 18808218

Base System Value
2 Binary 1000111101111110110011010
3 Ternary 1022101120000200
4 Quaternary 1013233312122
5 Quinary 14303330333
6 Senary 1511043030
8 Octal 107576632
10 Decimal 18808218
12 Duodecimal 6370476
16 Hexadecimal 11efd9a
20 Vigesimal 5hb0ai
36 Base36 b74ii

Cryptographic Hash Functions

md5 54a9f3a4da354570b0984504b439ec37
sha1 f062016e0af50a14ab9b5de4e75e3b08a14364c1
sha256 7c7a8a8a6efbb451ee6faa6057692232b8b409ff0491bab5f03dc93a27cb231f
sha512 322f0f996786660262dedf1923f5348c1c9684376fb097e1865ba0a178a1b5cfa7da9a44ee3bb0f3d8dd8e572fd23410b61d1042afc54e47bf38e20856a729d3
ripemd-160 bcc41bf00d128e93e3b4ef6bb5b130bb3c066922

18808218 as geometric shapes

Circle

Radius = n
Diameter 37616436
Circumference 118175518.99183
Area 1.1113354617307E+15

Sphere

Radius = n
Volume 2.786965284715E+22
Surface area 4.445341846923E+15
Circumference 118175518.99183

Square

Length = n
Perimeter 75232872
Area 353749064335524
Diagonal 26598836.97967

Cube

Length = n
Surface area 2122494386013144
Volume 6.6533895193186E+21
Space diagonal 32576789.175831

Equilateral Triangle

Length = n
Perimeter 56424654
Area 1.5317783813977E+14
Altitude 16288394.587916

Triangular Pyramid

Length = n
Surface area 1.5317783813977E+14
Volume 7.8410947449761E+20
Height 8866278.9932233