1661513309 is an odd 10-digits composite number following 1661513308
and preceding 1661513310 . In scientific notation, it is written as 1.661513309 × 10^9.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 1530492864 positive integers (up to 1661513309) that are relatively prime to 1661513309.
1661513309 has 8 divisors, whose sum is 1702750080
The reverse of 1661513309 is 9033151661
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion six hundred sixty-one million five hundred thirteen thousand three hundred nine
Scientific notation
1.661513309 × 10^9
Engineering notation
1.661513309 × 10^9
Prime Factorization
289 × 47 × 122323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661513309
Product of the distinct prime numbers
The prime factorization of 1661513309 is 289 × 47 × 122323.
Since it has a total of 3 prime factors.
10 , 5 , 92 , 79 , 84 , 852 , 206 , 5957 , 34034 , 68724 , 374599 , 17971 , 7094144 , 2239719 , 53636842 , 47056294 , 831204726 , 997527162 , 7509310301 , 5935110004
n×2
3323026618
n×3
4984539927
n×4
6646053236
n×5
8307566545
n÷2
830756654.5
n÷3
553837769.66667
n÷3
415378327.25
n÷5
332302661.8
n2
2760626475984129481
n3
4.5868176310254E+27
n4
7.6210585399046E+36
n5
1.266249019272E+46
2 √n
40761.664698587
3 √n
1184.4078436266
4 √n
201.89518245512
5 √n
69.839442655304
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
-1661513308
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 1661513309 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661513309) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010001010111001011101
3
Ternary
11021210102121202222
4
Quaternary
1203002022321131
5
Quinary
11400321411214
6
Senary
432511555125
8
Octal
14302127135
10
Decimal
1661513309
12
Duodecimal
3a452baa5
16
Hexadecimal
6308ae5d
20
Vigesimal
15j49359
36
Base36
rh7zvh
md5
0e2d6998e275e713f03c6f6dee35ea8f
sha1
30be79d4fb403237b77810f4b6cda94a3b6cfded
sha256
842e1637903c3c3fffd9547f198826b6500752970a5beb5a5baae172511bb138
sha512
1059b534eae6e28df63456de9a82d0a27a4b4a9e773d71c410fc1119d4e511f1be82550d2ce1930276dcb7d47cd2d83eb6ee57f9a6cd1c65a57e893bcb69a008
ripemd-160
ddc2883fc46fab06eefb704c2eccc7479fea9638
Diameter
3323026618
Circumference
10439596010.792
Area
8.6727638562572E+18
Volume
1.9213216763981E+28
Surface area
3.4691055425029E+19
Circumference
10439596010.792
Perimeter
6646053236
Area
2760626475984129481
Diagonal
2349734655.6512
Surface area
1.6563758855905E+19
Volume
4.5868176310254E+27
Space diagonal
2877825468.6399
Perimeter
4984539927
Area
1.1953863292811E+18
Altitude
1438912734.3199
Surface area
1.1953863292811E+18
Volume
5.4056164182735E+26
Height
783244885.21707