990805838 is an even 9-digits composite number following 990805837
and preceding 990805839 . In scientific notation, it is written as 9.90805838 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 450366180 positive integers (up to 990805838) that are relatively prime to 990805838.
990805838 has 12 divisors, whose sum is 1633601760
The reverse of 990805838 is 838508099
Previous prime number is 11
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
nine hundred ninety million eight hundred five thousand eight hundred thirty-eight
Scientific notation
9.90805838 × 10^8
Engineering notation
9.90805838 × 10^6
Prime Factorization
2 × 11 × 11 × 4094239
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
90073258 Product of the distinct prime numbers
The prime factorization of 990805838 is 2 × 11 × 11 × 4094239.
Since it has a total of 4 prime factors.
2 , 4 , 6 , 38 , 174 , 810 , 2772 , 8848 , 62896 , 71747 , 16064 , 763201 , 971086 , 2766986 , 98090081 , 40157344 , 715332056 , 619538007 , 7302077851 , 2512951063
n×2
1981611676
n×3
2972417514
n×4
3963223352
n×5
4954029190
n÷2
495402919
n÷3
330268612.66667
n÷3
247701459.5
n÷5
198161167.6
n2
981696208614882244
n3
9.7267033463809E+26
n4
9.6372744600883E+35
n5
9.5486677974638E+44
2 √n31477.068446728
3 √n996.92583854879
4 √n177.41777939859
5 √n62.979282906321
1 , 2 , 11 , 22 , 121 , 242 , 4094239 , 8188478 , 45036629 , 90073258 , 495402919 , 990805838
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-990805837 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990805838 can be divided by 12 positive divisors.
The sum of these divisors (counting 990805838) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011000011100111111101001110
3
Ternary
2120001101011002112
4
Quaternary
323003213331032
5
Quinary
4012121241323
6
Senary
242152224022
8
Octal
7303477516
10
Decimal
990805838
12
Duodecimal
23799b012
16
Hexadecimal
3b0e7f4e
20
Vigesimal
f9caebi
36
Base36
gdweoe
md5
d00da5fe571569ed92ac42bec24a82d7
sha1
d59cbbc766809e4183ecd2b8e7334835a9a48189
sha256
2f8a6ba4101e7bac33d37da963a11cd3cd4a21f3177a145dbe47e5274f9a9770
sha512
326f5c2c2cd981bf4dfb842e8003a49944bce889239bec9b5a3a2958a8c39612bc054f3d11d5d3956222f9a5244ea1d7cfe9657d4e1682b24df193b5d0851ce6
ripemd-160
2307159a6dfb587c7c73a4029840f88fd21bbb62
Diameter
1981611676
Circumference
6225416683.5894
Area
3.0840895970415E+18
Volume
4.0743119702183E+27
Surface area
1.2336358388166E+19
Circumference
6225416683.5894
Perimeter
3963223352
Area
981696208614882244
Diagonal
1401211053.778
Surface area
5890177251689293464
Volume
9.7267033463809E+26
Space diagonal
1716126051.8519
Perimeter
2972417514
Area
4.2508692772968E+17
Altitude
858063025.92593
Surface area
4.2508692772968E+17
Volume
1.1463029824693E+26
Height
467070351.25935