18081628 is an even 8-digits composite number following 18081627
and preceding 18081629 . In scientific notation, it is written as 1.8081628 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors.
There are 9040812 positive integers (up to 18081628) that are relatively prime to 18081628.
18081628 has 6 divisors, whose sum is 31642856
The reverse of 18081628 is 82618081
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million eighty-one thousand six hundred twenty-eight
Scientific notation
1.8081628 × 10^7
Engineering notation
1.8081628 × 10^6
Prime Factorization
2 × 2 × 4520407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9040814
Product of the distinct prime numbers
The prime factorization of 18081628 is 2 × 2 × 4520407.
Since it has a total of 3 prime factors.
3 , 3 , 55 , 33 , 148 , 971 , 317 , 1046 , 71858 , 21526 , 536493 , 309612 , 9933276 , 3370510 , 11154207 , 23433242 , 678895051 , 726192060 , 5896666366 , 1814813442
n×2
36163256
n×3
54244884
n×4
72326512
n×5
90408140
n÷2
9040814
n÷3
6027209.3333333
n÷3
4520407
n÷5
3616325.6
n2
326945271130384
n3
5.9117027689387E+21
n4
1.0689321031452E+29
n5
1.9328032646329E+36
2 √n
4252.2497574813
3 √n
262.46970111364
4 √n
65.209276621362
5 √n
28.277922898861
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18081627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18081628 can be divided by 6 positive divisors.
The sum of these divisors (counting 18081628) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000100111110011101011100
3
Ternary
1021000122022221
4
Quaternary
1010332131130
5
Quinary
14112103003
6
Senary
1443315124
8
Octal
104763534
10
Decimal
18081628
12
Duodecimal
607baa4
16
Hexadecimal
113e75c
20
Vigesimal
5d0418
36
Base36
arjvg
md5
09dc032f6def5589a159e6a0d7cdd0fa
sha1
7a205ee05109508c2cee9e7c47897f0187a6f8f8
sha256
5dc191c2e8f011ea550930776806b10c5212c149566aef3cfe633e0aa10ab067
sha512
15aed1b86a635129ad559e5b3036308908493c92b304c25853503a15c8f582a3aa7784917e299690fdb26744b9fe3f2f44cbe03197a611cc4c7e78e0d4edcf97
ripemd-160
98c6074c1a49121625eec66be901055d5dc7b550
Diameter
36163256
Circumference
113610219.37949
Area
1.0271288619091E+15
Volume
2.4762882652139E+22
Surface area
4.1085154476366E+15
Circumference
113610219.37949
Perimeter
72326512
Area
326945271130384
Diagonal
25571283.547385
Surface area
1961671626782304
Volume
5.9117027689387E+21
Space diagonal
31318298.37956
Perimeter
54244884
Area
1.4157145522305E+14
Altitude
15659149.18978
Surface area
1.4157145522305E+14
Volume
6.9670085271265E+20
Height
8523761.1824617