18690639 (number)

18690639 is an odd 8-digits composite number following 18690638 and preceding 18690640. In scientific notation, it is written as 1.8690639 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11208960 positive integers (up to 18690639) that are relatively prime to 18690639.

Interesting facts

Basic properties

Name

Name eighteen million six hundred ninety thousand six hundred thirty-nine

Notation

Scientific notation 1.8690639 × 10^7
Engineering notation 1.8690639 × 10^6

Prime Factorization of 18690639

Prime Factorization 33 × 97 × 5839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18690639
Product of the distinct prime numbers

The prime factorization of 18690639 is 33 × 97 × 5839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18690639)

Multiplication

n×y
n×2 37381278
n×3 56071917
n×4 74762556
n×5 93453195

Division

n÷y
n÷2 9345319.5
n÷3 6230213
n÷3 4672659.75
n÷5 3738127.8

Exponentiation

ny
n2 349339986228321
n3 6.5293875708585E+21
n4 1.22038425978E+29
n5 2.2809761640831E+36

Nth Root

y√n
2√n 4323.2671673169
3√n 265.38398824275
4√n 65.751556387031
5√n 28.465894135207

Divisors of 18690639

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 -18690638
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 18690639 can be divided by 8 positive divisors. The sum of these divisors (counting 18690639) is 1, the average is 0.125.

Base conversion 18690639

Base System Value
2 Binary 1000111010011001001001111
3 Ternary 1022011120201220
4 Quaternary 1013103021033
5 Quinary 14241100024
6 Senary 1504334423
8 Octal 107231117
10 Decimal 18690639
12 Duodecimal 6314413
16 Hexadecimal 11d324f
20 Vigesimal 5gg6bj
36 Base36 b4lsf

Cryptographic Hash Functions

md5 1574df0c5fe87bdece7cbfe979f3d756
sha1 e12423a84eca9c7a2e31158677e94ca884fdbb50
sha256 9b0341c860b8116bf43f60de851cbe723bfb77ef85927d709dc27f52035679a9
sha512 6ef02196eb00270c54bc5852b18c115831798277531fea8e525acd5430d022eac534dc3ac35909d89dbc412cc2c993ab66b796d30517499973717cd8f20c931b
ripemd-160 b229cb5ff463d6d1598e1ab417f61947ed93c7e6

18690639 as geometric shapes

Circle

Radius = n
Diameter 37381278
Circumference 117436748.3466
Area 1.0974839343401E+15

Sphere

Radius = n
Volume 2.7350234700066E+22
Surface area 4.3899357373602E+15
Circumference 117436748.3466

Square

Length = n
Perimeter 74762556
Area 349339986228321
Diagonal 26432555.16322

Cube

Length = n
Surface area 2096039917369926
Volume 6.5293875708585E+21
Space diagonal 32373136.373928

Equilateral Triangle

Length = n
Perimeter 56071917
Area 1.5126865131572E+14
Altitude 16186568.186964

Triangular Pyramid

Length = n
Surface area 1.5126865131572E+14
Volume 7.6949570472487E+20
Height 8810851.7210732