18702990 (number)

18702990 is an even 8-digits composite number following 18702989 and preceding 18702991. In scientific notation, it is written as 1.8702990 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 4987440 positive integers (up to 18702990) that are relatively prime to 18702990.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred two thousand nine hundred ninety

Notation

Scientific notation 1.8702990 × 10^7
Engineering notation 1.8702990 × 10^6

Prime Factorization of 18702990

Prime Factorization 2 × 5 × 9 × 207811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18702990
Product of the distinct prime numbers

The prime factorization of 18702990 is 2 × 5 × 9 × 207811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 86, 97, 417, 572, 5322, 3315, 61524, 24877, 111211, 563181, 7551480, 8306517, 42209, 18839461, 401126120, 624238098, 1666477057, 8421914733

Basic calculations (n = 18702990)

Multiplication

n×y
n×2 37405980
n×3 56108970
n×4 74811960
n×5 93514950

Division

n÷y
n÷2 9351495
n÷3 6234330
n÷3 4675747.5
n÷5 3740598

Exponentiation

ny
n2 349801834940100
n3 6.5423402208663E+21
n4 1.2236132372746E+29
n5 2.2885226140615E+36

Nth Root

y√n
2√n 4324.6953649939
3√n 265.44243168619
4√n 65.762416051982
5√n 28.469655262511

Divisors of 18702990

1, 2, 5, 9, 10, 18, 45, 90, 207811, 415622, 1039055, 1870299, 2078110, 3740598, 9351495, 18702990

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 -18702989
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 18702990 can be divided by 16 positive divisors. The sum of these divisors (counting 18702990) is 1, the average is 0.0625.

Base conversion 18702990

Base System Value
2 Binary 1000111010110001010001110
3 Ternary 1022012012200100
4 Quaternary 1013112022032
5 Quinary 14241443430
6 Senary 1504511530
8 Octal 107261216
10 Decimal 18702990
12 Duodecimal 631b5a6
16 Hexadecimal 11d628e
20 Vigesimal 5ghh9a
36 Base36 b4vbi

Cryptographic Hash Functions

md5 5865dd03c6349de24c7320e4fd9f48e9
sha1 70b21c26bcd6a370a26b46d8ef01e37a46ac7386
sha256 0455c230f0e46a9d46afd41cf1881726966df1a4e7baab947abee877e93d5b5b
sha512 3ef2abf343183d7468ccf6c36ea8ab6a7b8a22e0a6fd7cb3e18f322d69e9fc06f7178f95796db5a73cfc9e3bc77990387cdd8ee34d5c5e5f8cde9f0c2f6b5680
ripemd-160 77d2076e28a5d51f3c79ac49280aa5979c966be6

18702990 as geometric shapes

Circle

Radius = n
Diameter 37405980
Circumference 117514351.96833
Area 1.09893487486E+15

Sphere

Radius = n
Volume 2.7404490633545E+22
Surface area 4.3957394994402E+15
Circumference 117514351.96833

Square

Length = n
Perimeter 74811960
Area 349801834940100
Diagonal 26450022.114928

Cube

Length = n
Surface area 2098811009640600
Volume 6.5423402208663E+21
Space diagonal 32394528.933453

Equilateral Triangle

Length = n
Perimeter 56108970
Area 1.5146863767427E+14
Altitude 16197264.466726

Triangular Pyramid

Length = n
Surface area 1.5146863767427E+14
Volume 7.7102218916735E+20
Height 8816674.0383095