990806618 is an even 9-digits composite number following 990806617
and preceding 990806619 . In scientific notation, it is written as 9.90806618 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 495238716 positive integers (up to 990806618) that are relatively prime to 990806618.
990806618 has 8 divisors, whose sum is 1486703712
The reverse of 990806618 is 816608099
Previous prime number is 3067
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
nine hundred ninety million eight hundred six thousand six hundred eighteen
Scientific notation
9.90806618 × 10^8
Engineering notation
9.90806618 × 10^6
Prime Factorization
2 × 3067 × 161527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990806618
Product of the distinct prime numbers
The prime factorization of 990806618 is 2 × 3067 × 161527.
Since it has a total of 3 prime factors.
9 , 2 , 94 , 23 , 201 , 199 , 5254 , 6915 , 30632 , 14715 , 404961 , 641398 , 6027206 , 8233287 , 96477595 , 93438420 , 643236769 , 13502963 , 3839464882 , 9359084897
n×2
1981613236
n×3
2972419854
n×4
3963226472
n×5
4954033090
n÷2
495403309
n÷3
330268872.66667
n÷3
247701654.5
n÷5
198161323.6
n2
981697754272597924
n3
9.7267263180903E+26
n4
9.6373048074386E+35
n5
9.5487053828934E+44
2 √n
31477.080836698
3 √n
996.92610015469
4 √n
177.41781431609
5 √n
62.979292822255
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
-990806617
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 990806618 can be divided by 8 positive divisors.
The sum of these divisors (counting 990806618) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000011101000001001011010
3
Ternary
2120001101012011102
4
Quaternary
323003220021122
5
Quinary
4012121302433
6
Senary
242152231402
8
Octal
7303501132
10
Decimal
990806618
12
Duodecimal
23799b562
16
Hexadecimal
3b0e825a
20
Vigesimal
f9cagai
36
Base36
gdwfa2
md5
18880f7a66cc1ed69c399287e781abf3
sha1
90bb77a4e72bec1ad00cb1ef2c2f6c19a6fccc0f
sha256
65c6dc97c9077d6794df9fa8361941019b60f3a42dbf5444946b8d9085ec4798
sha512
b3db890c9dfa812ede132d98b42b3e42ef9d5947ac054e4c6ef364ee3729311bab804d5d8c07d80eb328f2004bfeed0f6cd039f36081f535c94bda4bee307567
ripemd-160
79eda3e660d18d3823fb0c5e494c7b09556dec38
Diameter
1981613236
Circumference
6225421584.4739
Area
3.0840944528684E+18
Volume
4.0743215925855E+27
Surface area
1.2336377811474E+19
Circumference
6225421584.4739
Perimeter
3963226472
Area
981697754272597924
Diagonal
1401212156.8646
Surface area
5890186525635587544
Volume
9.7267263180903E+26
Space diagonal
1716127402.8515
Perimeter
2972419854
Area
4.250875970191E+17
Altitude
858063701.42574
Surface area
4.250875970191E+17
Volume
1.1463056897112E+26
Height
467070718.95487