990784685 is an odd 9-digits composite number following 990784684
and preceding 990784686 . In scientific notation, it is written as 9.90784685 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 684090880 positive integers (up to 990784685) that are relatively prime to 990784685.
990784685 has 8 divisors, whose sum is 998980344
The reverse of 990784685 is 586487099
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
nine hundred ninety million seven hundred eighty-four thousand six hundred eighty-five
Scientific notation
9.90784685 × 10^8
Engineering notation
9.90784685 × 10^6
Prime Factorization
1265 × 137 × 5717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990784685
Product of the distinct prime numbers
The prime factorization of 990784685 is 1265 × 137 × 5717.
Since it has a total of 3 prime factors.
5 , 9 , 71 , 44 , 395 , 292 , 3359 , 5593 , 88669 , 21362 , 776265 , 500555 , 8530516 , 4342315 , 31146078 , 21187071 , 694581475 , 187350027 , 332880218 , 4593101633
n×2
1981569370
n×3
2972354055
n×4
3963138740
n×5
4953923425
n÷2
495392342.5
n÷3
330261561.66667
n÷3
247696171.25
n÷5
198156937
n2
981654292030549225
n3
9.7260803850839E+26
n4
9.63645149062E+35
n5
9.5476485546517E+44
2 √n
31476.732438422
3 √n
996.91874394575
4 √n
177.41683245516
5 √n
62.979013991444
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
-990784684
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 990784685 can be divided by 8 positive divisors.
The sum of these divisors (counting 990784685) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000011100010110010101101
3
Ternary
2120001100002002002
4
Quaternary
323003202302231
5
Quinary
4012120102220
6
Senary
242151542045
8
Octal
7303426255
10
Decimal
990784685
12
Duodecimal
23798a925
16
Hexadecimal
3b0e2cad
20
Vigesimal
f9c81e5
36
Base36
gdvyct
md5
bf7753d08b8a8f6319e0ab601ba0b56b
sha1
da57624e0ffef3bbebaac354bdbd6db5182e4ca5
sha256
da7cb77265061a8d8d9e7073db5e607f812977226b8cef091f1afef9deef5da4
sha512
b5b861a5a8edee7d1f61897030451e9563760a0637c1f268445a6825f94dede63cfb6777d80f481f8985d2b5ec326598d38a4fb59f0474f7e6093530980986b2
ripemd-160
0e6096719f35c11404dd400948e6aa6a78d788c6
Diameter
1981569370
Circumference
6225283775.3706
Area
3.0839579122081E+18
Volume
4.0740510248004E+27
Surface area
1.2335831648832E+19
Circumference
6225283775.3706
Perimeter
3963138740
Area
981654292030549225
Diagonal
1401181138.9186
Surface area
5889925752183295350
Volume
9.7260803850839E+26
Space diagonal
1716089413.7811
Perimeter
2972354055
Area
4.2506877731624E+17
Altitude
858044706.89056
Surface area
4.2506877731624E+17
Volume
1.1462295657764E+26
Height
467060379.63952