990805839 is an odd 9-digits composite number following 990805838
and preceding 990805840 . In scientific notation, it is written as 9.90805839 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 660537224 positive integers (up to 990805839) that are relatively prime to 990805839.
990805839 has 4 divisors, whose sum is 1321074456
The reverse of 990805839 is 938508099
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
nine hundred ninety million eight hundred five thousand eight hundred thirty-nine
Scientific notation
9.90805839 × 10^8
Engineering notation
9.90805839 × 10^6
Prime Factorization
3 × 330268613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
990805839
Product of the distinct prime numbers
The prime factorization of 990805839 is 3 × 330268613.
Since it has a total of 2 prime factors.
4 , 6 , 52 , 58 , 874 , 19 , 3055 , 5875 , 85764 , 12720 , 842802 , 619012 , 363021 , 6858385 , 51060288 , 90175810 , 743924465 , 261764035 , 7336960425 , 7263034758
n×2
1981611678
n×3
2972417517
n×4
3963223356
n×5
4954029195
n÷2
495402919.5
n÷3
330268613
n÷3
247701459.75
n÷5
198161167.8
n2
981696210596493921
n3
9.7267033758318E+26
n4
9.6372744989952E+35
n5
9.5486678456502E+44
2 √n
31477.068462613
3 √n
996.92583888419
4 √n
177.41777944336
5 √n
62.979282919034
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-990805838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990805839 can be divided by 4 positive divisors.
The sum of these divisors (counting 990805839) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000011100111111101001111
3
Ternary
2120001101011002120
4
Quaternary
323003213331033
5
Quinary
4012121241324
6
Senary
242152224023
8
Octal
7303477517
10
Decimal
990805839
12
Duodecimal
23799b013
16
Hexadecimal
3b0e7f4f
20
Vigesimal
f9caebj
36
Base36
gdweof
md5
0da036e04f1843c8611e8a8a4dcdf815
sha1
fe68952b5ab415dc1ee899a63021f5a9bf8ee9ab
sha256
17d1c4e60dbfce4adf0559ebc059711ac3a1a111568a5942fe97ecdbb452d10c
sha512
0179174273b6c87d52162b364a753f5a393359985f07534e12f7657f020d30efec2eab9f3176da8a027d1856f374296efc4fd7d3d131a3f5ce86a50b8a6ee07e
ripemd-160
3a7825e07f0c942efcb2bd087d26371706bee268
Diameter
1981611678
Circumference
6225416689.8725
Area
3.0840896032669E+18
Volume
4.0743119825547E+27
Surface area
1.2336358413068E+19
Circumference
6225416689.8725
Perimeter
3963223356
Area
981696210596493921
Diagonal
1401211055.1923
Surface area
5890177263578963526
Volume
9.7267033758318E+26
Space diagonal
1716126053.5839
Perimeter
2972417517
Area
4.2508692858774E+17
Altitude
858063026.79195
Surface area
4.2508692858774E+17
Volume
1.1463029859401E+26
Height
467070351.73075