18621142 is an even 8-digits composite number following 18621141
and preceding 18621143 . In scientific notation, it is written as 1.8621142 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8948160 positive integers (up to 18621142) that are relatively prime to 18621142.
18621142 has 16 divisors, whose sum is 29031552
The reverse of 18621142 is 24112681
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighteen million six hundred twenty-one thousand one hundred forty-two
Scientific notation
1.8621142 × 10^7
Engineering notation
1.8621142 × 10^6
Prime Factorization
2 × 31 × 157 × 1913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18621142
Product of the distinct prime numbers
The prime factorization of 18621142 is 2 × 31 × 157 × 1913.
Since it has a total of 4 prime factors.
3 , 6 , 85 , 21 , 387 , 469 , 1489 , 1466 , 62610 , 13269 , 288093 , 768045 , 3547479 , 2062382 , 5523634 , 40579746 , 797670108 , 752083195 , 7247378985 , 5718839283
n×2
37242284
n×3
55863426
n×4
74484568
n×5
93105710
n÷2
9310571
n÷3
6207047.3333333
n÷3
4655285.5
n÷5
3724228.4
n2
346746929384164
n3
6.4568238101265E+21
n4
1.2023343303735E+29
n5
2.2388838297359E+36
2 √n
4315.2221263801
3 √n
265.05465586786
4 √n
65.690350329253
5 √n
28.444693756069
1 , 2 , 31 , 62 , 157 , 314 , 1913 , 3826 , 4867 , 9734 , 59303 , 118606 , 300341 , 600682 , 9310571 , 18621142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18621141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18621142 can be divided by 16 positive divisors.
The sum of these divisors (counting 18621142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111000010001011010110
3
Ternary
1022001001101221
4
Quaternary
1013002023112
5
Quinary
14231334032
6
Senary
1503040554
8
Octal
107021326
10
Decimal
18621142
12
Duodecimal
62a015a
16
Hexadecimal
11c22d6
20
Vigesimal
5g7ch2
36
Base36
b345y
md5
f8ede94234bdd0b52eed6a0da75e8824
sha1
a05ff8cc9151bded7723c05c56fad827c1d3ef29
sha256
9e798c17c07e7e9aefc702c642d2487006ceea51bbcbc71a6946d95db2abb0a1
sha512
14a6fed32b7fa7d7ebeef2b1ab1e858808e4dafcf2318656a20dfc85b16749237417c9ebbe771607a2da5dd93be1146431bd630d862eab943b42bb552c79262b
ripemd-160
fab6b5603d79b7b63447eeb691b26757ceb48739
Diameter
37242284
Circumference
117000085.8173
Area
1.0893376060081E+15
Volume
2.7046280329889E+22
Surface area
4.3573504240324E+15
Circumference
117000085.8173
Perimeter
74484568
Area
346746929384164
Diagonal
26334271.563275
Surface area
2080481576304984
Volume
6.4568238101265E+21
Space diagonal
32252764.038955
Perimeter
55863426
Area
1.5014582476547E+14
Altitude
16126382.019477
Surface area
1.5014582476547E+14
Volume
7.609439835112E+20
Height
8778090.5210918