661330789 is an odd 9-digits composite number following 661330788
and preceding 661330790 . In scientific notation, it is written as 6.61330789 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 565064880 positive integers (up to 661330789) that are relatively prime to 661330789.
661330789 has 8 divisors, whose sum is 758193408
The reverse of 661330789 is 987033166
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred sixty-one million three hundred thirty thousand seven hundred eighty-nine
Scientific notation
6.61330789 × 10^8
Engineering notation
6.61330789 × 10^6
Prime Factorization
7 × 317 × 298031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661330789
Product of the distinct prime numbers
The prime factorization of 661330789 is 7 × 317 × 298031.
Since it has a total of 3 prime factors.
6 , 4 , 32 , 82 , 333 , 982 , 5640 , 3211 , 91688 , 50884 , 413104 , 243221 , 1731935 , 47505 , 14014890 , 10816521 , 694104775 , 925847857 , 9408434325 , 2419475796
n×2
1322661578
n×3
1983992367
n×4
2645323156
n×5
3306653945
n÷2
330665394.5
n÷3
220443596.33333
n÷3
165332697.25
n÷5
132266157.8
n2
437358412479362521
n3
2.8923858400076E+26
n4
1.9128238096647E+35
n5
1.2650092792635E+44
2 √n
25716.35256019
3 √n
871.24355963668
4 √n
160.36318954233
5 √n
58.087642172814
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
-661330788
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 661330789 can be divided by 8 positive divisors.
The sum of these divisors (counting 661330789) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011010110001101101100101
3
Ternary
1201002102002021221
4
Quaternary
213122301231211
5
Quinary
2323300041124
6
Senary
145342340341
8
Octal
4732615545
10
Decimal
661330789
12
Duodecimal
16558a6b1
16
Hexadecimal
276b1b65
20
Vigesimal
a6d66j9
36
Base36
axqm3p
md5
20ccc19e153ad8a7a7a6dbde737a232d
sha1
f2508056e6689c2b1bcdda4a099bd237597850ec
sha256
228421484d466eac95f6b609615974a11d5f903d91e37ae222f9f0a1a7301db2
sha512
c68ec34345cfedea8774b7f008c36bed10d4695acde300e18c6011417a024ad866be4b7566324b6cce327cc9b398765584135e78b8f15ecd39b234a33c553c3d
ripemd-160
ef22d3256661b4035b4dbc3bc15816d018edecdb
Diameter
1322661578
Circumference
4155263896.6303
Area
1.3740019756309E+18
Volume
1.2115597475087E+27
Surface area
5.4960079025234E+18
Circumference
4155263896.6303
Perimeter
2645323156
Area
437358412479362521
Diagonal
935262971.0187
Surface area
2624150474876175126
Volume
2.8923858400076E+26
Space diagonal
1145458527.1576
Perimeter
1983992367
Area
1.8938174788298E+17
Altitude
572729263.57881
Surface area
1.8938174788298E+17
Volume
3.4087094021289E+25
Height
311754323.6729