18988331 is an odd 8-digits prime number following 18988330
and preceding 18988332 . In scientific notation, it is written as 1.8988331 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 18988330 positive integers (up to 18988331) that are relatively prime to 18988331.
18988331 has 2 divisors, whose sum is 18988332
The reverse of 18988331 is 13388981
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
eighteen million nine hundred eighty-eight thousand three hundred thirty-one
Scientific notation
1.8988331 × 10^7
Engineering notation
1.8988331 × 10^6
Prime Factorization
18988331
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
18988331 Product of the distinct prime numbers
The prime factorization of 18988331 is 18988331.
Since it has a total of 1 prime factors.
6 , 6 , 48 , 18 , 444 , 450 , 4536 , 9058 , 79549 , 66827 , 424726 , 292673 , 2005510 , 1657107 , 30979071 , 41723867 , 459001986 , 284982646 , 157785259 , 6783667240
n×2
37976662
n×3
56964993
n×4
75953324
n×5
94941655
n÷2
9494165.5
n÷3
6329443.6666667
n÷3
4747082.75
n÷5
3797666.2
n2
360556714165561
n3
6.8463702328481E+21
n4
1.3000114412987E+29
n5
2.4685047551166E+36
2 √n4357.5602118617
3 √n266.78552635381
4 √n66.011818728631
5 √n28.55599904259
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
18988332 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9494166 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4357.5603266048 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998946722 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18988331 can be divided by 2 positive divisors.
The sum of these divisors (counting 18988331) is 18988332, the average is 9494166.
Base
System
Value
2
Binary
1001000011011110100101011
3
Ternary
1022201201002112
4
Quaternary
1020123310223
5
Quinary
14330111311
6
Senary
1514552535
8
Octal
110336453
10
Decimal
18988331
12
Duodecimal
643874b
16
Hexadecimal
121bd2b
20
Vigesimal
5idagb
36
Base36
bazhn
md5
3014fa388723f27f1b9aa700cd8c8a4a
sha1
4a85dd43157f653d2e273bfa324068c166e40ed2
sha256
99d6ede7874b9a754984ba0d6651249ca9822379c20d6a02b5410027df6fd0ec
sha512
214086ce06d3579064f71e49b8046933f5af2916d78e5fa7bc7923e56dc06b8722c5be6a05c48522d3712e565c7aba418987622bf6e66ad0e032e7e61929de8e
ripemd-160
5f81cda7662f17edc6767a7e0cf7f58d2648fc24
Diameter
37976662
Circumference
119307202.34706
Area
1.132722324425E+15
Volume
2.8678008569695E+22
Surface area
4.5308892977E+15
Circumference
119307202.34706
Perimeter
75953324
Area
360556714165561
Diagonal
26853555.227029
Surface area
2163340284993366
Volume
6.8463702328481E+21
Space diagonal
32888754.042935
Perimeter
56964993
Area
1.5612563698621E+14
Altitude
16444377.021468
Surface area
1.5612563698621E+14
Volume
8.0685246969343E+20
Height
8951185.0756765