18181142 is an even 8-digits composite number following 18181141
and preceding 18181143 . In scientific notation, it is written as 1.8181142 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 7791912 positive integers (up to 18181142) that are relatively prime to 18181142.
18181142 has 8 divisors, whose sum is 31167696
The reverse of 18181142 is 24118181
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighteen million one hundred eighty-one thousand one hundred forty-two
Scientific notation
1.8181142 × 10^7
Engineering notation
1.8181142 × 10^6
Prime Factorization
2 × 7 × 1298653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18181142
Product of the distinct prime numbers
The prime factorization of 18181142 is 2 × 7 × 1298653.
Since it has a total of 3 prime factors.
2 , 10 , 55 , 97 , 379 , 291 , 3481 , 8174 , 20353 , 83160 , 45067 , 490653 , 7307462 , 148535 , 21836239 , 26469777 , 821100579 , 60132084 , 1510565033 , 5928819485
n×2
36362284
n×3
54543426
n×4
72724568
n×5
90905710
n÷2
9090571
n÷3
6060380.6666667
n÷3
4545285.5
n÷5
3636228.4
n2
330553924424164
n3
6.009847838613E+21
n4
1.0926589695222E+29
n5
1.9865787882456E+36
2 √n
4263.9350370286
3 √n
262.95032964452
4 √n
65.298813442731
5 √n
28.308980662465
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18181141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18181142 can be divided by 8 positive divisors.
The sum of these divisors (counting 18181142) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101010110110000010110
3
Ternary
1021012200211122
4
Quaternary
1011112300112
5
Quinary
14123244032
6
Senary
1445403542
8
Octal
105266026
10
Decimal
18181142
12
Duodecimal
61095b2
16
Hexadecimal
1156c16
20
Vigesimal
5dcch2
36
Base36
atonq
md5
016708ba8171bcf4d543785e92abf647
sha1
7006cf91dc529219fc6a12b17f595891fe7e1e82
sha256
22659fa4eacef85a274bfad9f22814d7a9f4e1e083df886daf7bb9321880d01b
sha512
3f7febaa4002b75f2cbcc3174dc6d58373ef2b17eed2a518554012ec2b51b265b943d940b9eb9480d3cf1fe4cc2feab32afaa893baac3e9b1f5f0e74e3dabb5e
ripemd-160
28c1437c3a16940b2ca8b661d4d557a0410a1c50
Diameter
36362284
Circumference
114235484.28215
Area
1.0384657805862E+15
Volume
2.5173991758639E+22
Surface area
4.1538631223449E+15
Circumference
114235484.28215
Perimeter
72724568
Area
330553924424164
Diagonal
25712017.595831
Surface area
1983323546544984
Volume
6.009847838613E+21
Space diagonal
31490661.683624
Perimeter
54543426
Area
1.4313404793598E+14
Altitude
15745330.841812
Surface area
1.4313404793598E+14
Volume
7.0826736009709E+20
Height
8570672.5319437