18491131 is an odd 8-digits composite number following 18491130
and preceding 18491132 . In scientific notation, it is written as 1.8491131 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 18177664 positive integers (up to 18491131) that are relatively prime to 18491131.
18491131 has 4 divisors, whose sum is 18804600
The reverse of 18491131 is 13119481
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million four hundred ninety-one thousand one hundred thirty-one
Scientific notation
1.8491131 × 10^7
Engineering notation
1.8491131 × 10^6
Prime Factorization
59 × 313409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18491131
Product of the distinct prime numbers
The prime factorization of 18491131 is 59 × 313409.
Since it has a total of 2 prime factors.
4 , 8 , 90 , 31 , 754 , 338 , 9310 , 637 , 74651 , 68177 , 442253 , 703222 , 5502908 , 364376 , 38923327 , 38636117 , 209485327 , 499833151 , 7154477557 , 8956864795
n×2
36982262
n×3
55473393
n×4
73964524
n×5
92455655
n÷2
9245565.5
n÷3
6163710.3333333
n÷3
4622782.75
n÷5
3698226.2
n2
341921925659161
n3
6.3225231191358E+21
n4
1.1691060324647E+29
n5
2.1618092799195E+36
2 √n
4300.1315096169
3 √n
264.43635271843
4 √n
65.575387986781
5 √n
28.404862745362
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18491130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18491131 can be divided by 4 positive divisors.
The sum of these divisors (counting 18491131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110100010011011111011
3
Ternary
1021210110001201
4
Quaternary
1012202123323
5
Quinary
14213204011
6
Senary
1500155031
8
Octal
106423373
10
Decimal
18491131
12
Duodecimal
6238a77
16
Hexadecimal
11a26fb
20
Vigesimal
5fb7gb
36
Base36
b0buj
md5
f7b8c2c6d107bc22e3717f3476079b16
sha1
e6660c69640387bf34b3bef9af6e99d86ff4b173
sha256
4faeabceb1047e55e0a1e1b3d9246947ae457bdbdb9e8390b9b901323b8c4010
sha512
b0330f7567a15baf2393ac1675f86b48e990f9510ab2a09720fe3caf0ea36f80815728e373d739767a2b0400b9080127bc5306b8bebad2c2079b9ffeda10e52c
ripemd-160
f2c7aa748be411cf89626985d29828c96d691897
Diameter
36982262
Circumference
116183202.61233
Area
1.0741794097521E+15
Volume
2.6483722910972E+22
Surface area
4.2967176390084E+15
Circumference
116183202.61233
Perimeter
73964524
Area
341921925659161
Diagonal
26150408.243818
Surface area
2051531553954966
Volume
6.3225231191358E+21
Space diagonal
32027578.381412
Perimeter
55473393
Area
1.4805653686586E+14
Altitude
16013789.190706
Surface area
1.4805653686586E+14
Volume
7.4511649529161E+20
Height
8716802.7479392