18081631 is an odd 8-digits prime number following 18081630
and preceding 18081632 . In scientific notation, it is written as 1.8081631 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 18081630 positive integers (up to 18081631) that are relatively prime to 18081631.
18081631 has 2 divisors, whose sum is 18081632
The reverse of 18081631 is 13618081
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million eighty-one thousand six hundred thirty-one
Scientific notation
1.8081631 × 10^7
Engineering notation
1.8081631 × 10^6
Prime Factorization
18081631
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18081631
Product of the distinct prime numbers
The prime factorization of 18081631 is 18081631.
Since it has a total of 1 prime factors.
7 , 3 , 13 , 64 , 694 , 779 , 2213 , 8369 , 11963 , 41558 , 140320 , 495256 , 4587846 , 6554461 , 8618029 , 67445924 , 61622497 , 225272430 , 426907252 , 8513641934
n×2
36163262
n×3
54244893
n×4
72326524
n×5
90408155
n÷2
9040815.5
n÷3
6027210.3333333
n÷3
4520407.75
n÷5
3616326.2
n2
326945379620161
n3
5.9117057114467E+21
n4
1.0689328125497E+29
n5
1.9328048680316E+36
2 √n
4252.2501102358
3 √n
262.46971562946
4 √n
65.209279326149
5 √n
28.277923837203
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18081632
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9040816
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4252.2502278206
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998893905
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18081631 can be divided by 2 positive divisors.
The sum of these divisors (counting 18081631) is 18081632, the average is 9040816.
Base
System
Value
2
Binary
1000100111110011101011111
3
Ternary
1021000122100001
4
Quaternary
1010332131133
5
Quinary
14112103011
6
Senary
1443315131
8
Octal
104763537
10
Decimal
18081631
12
Duodecimal
607baa7
16
Hexadecimal
113e75f
20
Vigesimal
5d041b
36
Base36
arjvj
md5
9034185d2e8b1bca4d738922e8e8d002
sha1
ff800622b8ced3bbbd6fceea26306f4dc91488d0
sha256
f883bdc11068156f99d5de9f423f10ad4b7b66c6c94875b33da9d2d7c5e96c3c
sha512
e0a45e78b059d2257a6c7fb1268841a516563386eb9072c9c7dd41227d4f9d68cc5cf4e3454a3b0c5082f8c81d80ac95e2dbd52923eae96e8904a590066fabb1
ripemd-160
3ae36c3c91780a80407db047434ff49e48238342
Diameter
36163262
Circumference
113610238.22904
Area
1.0271292027398E+15
Volume
2.4762894977688E+22
Surface area
4.1085168109593E+15
Circumference
113610238.22904
Perimeter
72326524
Area
326945379620161
Diagonal
25571287.790026
Surface area
1961672277720966
Volume
5.9117057114467E+21
Space diagonal
31318303.575712
Perimeter
54244893
Area
1.415715022005E+14
Altitude
15659151.787856
Surface area
1.415715022005E+14
Volume
6.9670119949053E+20
Height
8523762.5966753