990515945 is an odd 9-digits composite number following 990515944
and preceding 990515946 . In scientific notation, it is written as 9.90515945 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 792412752 positive integers (up to 990515945) that are relatively prime to 990515945.
990515945 has 4 divisors, whose sum is 1188619140
The reverse of 990515945 is 549515099
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
nine hundred ninety million five hundred fifteen thousand nine hundred forty-five
Scientific notation
9.90515945 × 10^8
Engineering notation
9.90515945 × 10^6
Prime Factorization
5 × 198103189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
990515945
Product of the distinct prime numbers
The prime factorization of 990515945 is 5 × 198103189.
Since it has a total of 2 prime factors.
2 , 10 , 52 , 47 , 326 , 256 , 7621 , 4757 , 82794 , 65318 , 82284 , 112440 , 9279503 , 2078611 , 94336256 , 47942588 , 720122943 , 192937637 , 151883994 , 3123964842
n×2
1981031890
n×3
2971547835
n×4
3962063780
n×5
4952579725
n÷2
495257972.5
n÷3
330171981.66667
n÷3
247628986.25
n÷5
198103189
n2
981121837299243025
n3
9.718168238326E+26
n4
9.6260005962544E+35
n5
9.5347070771695E+44
2 √n
31472.463281415
3 √n
996.82860119536
4 √n
177.40480061547
5 √n
62.975597140727
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
-990515944
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 990515945 can be divided by 4 positive divisors.
The sum of these divisors (counting 990515945) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000010100001001011101001
3
Ternary
2120000211102102202
4
Quaternary
323002201023221
5
Quinary
4012033002240
6
Senary
242142105545
8
Octal
7302411351
10
Decimal
990515945
12
Duodecimal
23787b2b5
16
Hexadecimal
3b0a12e9
20
Vigesimal
f9ae9h5
36
Base36
gdq6zt
md5
3651c77ea754500e889428c3a4465e54
sha1
7f9a268aae0d57c89f93c4c278a620af088beb76
sha256
faf590028464d72d47065e306b9edb410f1231297262175a8f8d031aeb19b3ec
sha512
ef4c0718f5fc8f813175c7cb087d9abbbceb5f5e7135d7fa725efa5194ca6633c8aaabc6f3b24083f00dc47305184cded3fafe8c3a65e3981a2fc78270f24053
ripemd-160
bdc833a3bb7cfa827651f40c3f334d46ff526dd8
Diameter
1981031890
Circumference
6223595232.1511
Area
3.0822851563358E+18
Volume
4.0707367925166E+27
Surface area
1.2329140625343E+19
Circumference
6223595232.1511
Perimeter
3962063780
Area
981121837299243025
Diagonal
1400801083.1658
Surface area
5886731023795458150
Volume
9.718168238326E+26
Space diagonal
1715623942.4471
Perimeter
2971547835
Area
4.248382176544E+17
Altitude
857811971.22355
Surface area
4.248382176544E+17
Volume
1.1452971103387E+26
Height
466933694.3886