18086988 (number)

18086988 is an even 8-digits composite number following 18086987 and preceding 18086989. In scientific notation, it is written as 1.8086988 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 5929920 positive integers (up to 18086988) that are relatively prime to 18086988.

Interesting facts

Basic properties

Name

Name eighteen million eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation 1.8086988 × 10^7
Engineering notation 1.8086988 × 10^6

Prime Factorization of 18086988

Prime Factorization 2 × 2 × 3 × 61 × 24709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9043494
Product of the distinct prime numbers

The prime factorization of 18086988 is 2 × 2 × 3 × 61 × 24709. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 5, 13, 517, 45, 1842, 2098, 57657, 90501, 827428, 804009, 427842, 6539456, 58306021, 13158995, 83148901, 487157844, 4779557325, 2226754024

Basic calculations (n = 18086988)

Multiplication

n×y
n×2 36173976
n×3 54260964
n×4 72347952
n×5 90434940

Division

n÷y
n÷2 9043494
n÷3 6028996
n÷3 4521747
n÷5 3617397.6

Exponentiation

ny
n2 327139134912144
n3 5.9169616074863E+21
n4 1.0702001359107E+29
n5 1.9356697015814E+36

Nth Root

y√n
2√n 4252.8799653882
3√n 262.49563348746
4√n 65.214108637535
5√n 28.279599204753

Divisors of 18086988

1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 24709, 49418, 74127, 98836, 148254, 296508, 1507249, 3014498, 4521747, 6028996, 9043494, 18086988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18086987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18086988 can be divided by 24 positive divisors. The sum of these divisors (counting 18086988) is 1, the average is 0.041666666666667.

Base conversion 18086988

Base System Value
2 Binary 1000100111111110001001100
3 Ternary 1021000220200110
4 Quaternary 1010333301030
5 Quinary 14112240423
6 Senary 1443400020
8 Octal 104776114
10 Decimal 18086988
12 Duodecimal 6083010
16 Hexadecimal 113fc4c
20 Vigesimal 5d0h98
36 Base36 aro0c

Cryptographic Hash Functions

md5 ddef4463bc440c6008e25ac85b35d6d1
sha1 358c3164520ac9f34b526b71f15b076a38199e8c
sha256 1df395e906b7fb26dadcdf28af48741b3e05373d77436492ecd2da36ec070603
sha512 3eec35f66460c59979eace2dbf5b9d53f74d88a01fc53629210d387496fb0d66cfe63256b94fba7deccef3d6b8005032f369ec2db832cb1388ddb50649bd36a7
ripemd-160 ff4a7c00ed41d4c731b6707c5f8465923fc881e7

18086988 as geometric shapes

Circle

Radius = n
Diameter 36173976
Circumference 113643897.25273
Area 1.0277379029417E+15

Sphere

Radius = n
Volume 2.4784910823536E+22
Surface area 4.1109516117668E+15
Circumference 113643897.25273

Square

Length = n
Perimeter 72347952
Area 327139134912144
Diagonal 25578863.732079

Cube

Length = n
Surface area 1962834809472864
Volume 5.9169616074863E+21
Space diagonal 31327582.171889

Equilateral Triangle

Length = n
Perimeter 54260964
Area 1.4165540070299E+14
Altitude 15663791.085944

Triangular Pyramid

Length = n
Surface area 1.4165540070299E+14
Volume 6.9732061277901E+20
Height 8526287.9106931