661321569 is an odd 9-digits composite number following 661321568
and preceding 661321570 . In scientific notation, it is written as 6.61321569 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 440881044 positive integers (up to 661321569) that are relatively prime to 661321569.
661321569 has 4 divisors, whose sum is 881762096
The reverse of 661321569 is 965123166
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred sixty-one million three hundred twenty-one thousand five hundred sixty-nine
Scientific notation
6.61321569 × 10^8
Engineering notation
6.61321569 × 10^6
Prime Factorization
3 × 220440523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
661321569
Product of the distinct prime numbers
The prime factorization of 661321569 is 3 × 220440523.
Since it has a total of 2 prime factors.
6 , 9 , 16 , 79 , 790 , 986 , 4946 , 1286 , 67596 , 22108 , 100654 , 257340 , 9360328 , 8992070 , 65421853 , 18140737 , 882832532 , 800543542 , 3114957416 , 9307552611
n×2
1322643138
n×3
1983964707
n×4
2645286276
n×5
3306607845
n÷2
330660784.5
n÷3
220440523
n÷3
165330392.25
n÷5
132264313.8
n2
437346217624621761
n3
2.8922648683573E+26
n4
1.9127171407056E+35
n5
1.2649211005446E+44
2 √n
25716.173296196
3 √n
871.23951077889
4 √n
160.36263061012
5 √n
58.08748020514
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
-661321568
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 661321569 can be divided by 4 positive divisors.
The sum of these divisors (counting 661321569) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010101111011101100001
3
Ternary
1201002101121122110
4
Quaternary
213122233131201
5
Quinary
2323244242234
6
Senary
145342225533
8
Octal
4732573541
10
Decimal
661321569
12
Duodecimal
1655852a9
16
Hexadecimal
276af761
20
Vigesimal
a6d53i9
36
Base36
axqezl
md5
a5e1a0092661e08d35b1bed8df0f24d5
sha1
9ec628b8c6a09baedbd7b12cee82d93289296d58
sha256
1b2aeea2e05401141387728508e7848ec20e5ae1ceb26a2df9ca17abb02a631f
sha512
9f920fd326a64fe8576fbdede3b895a1e7ada9a769ca770cb1e2f748e4af2fa4281636ffafda5aff3716d9ac06d876f6551d01ec36be747c6da998d43c6b3e70
ripemd-160
9bf90a6207c744537901261c24613a87f8eede80
Diameter
1322643138
Circumference
4155205965.6618
Area
1.3739636643648E+18
Volume
1.2115090750223E+27
Surface area
5.4958546574592E+18
Circumference
4155205965.6618
Perimeter
2645286276
Area
437346217624621761
Diagonal
935249931.96965
Surface area
2624077305747730566
Volume
2.8922648683573E+26
Space diagonal
1145442557.6492
Perimeter
1983964707
Area
1.8937646735598E+17
Altitude
572721278.82458
Surface area
1.8937646735598E+17
Volume
3.4085668356718E+25
Height
311749977.32322