1661565143 is an odd 10-digits composite number following 1661565142
and preceding 1661565144 . In scientific notation, it is written as 1.661565143 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 1348456896 positive integers (up to 1661565143) that are relatively prime to 1661565143.
1661565143 has 8 divisors, whose sum is 1675031088
The reverse of 1661565143 is 3415651661
Previous prime number is 4457
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion six hundred sixty-one million five hundred sixty-five thousand one hundred forty-three
Scientific notation
1.661565143 × 10^9
Engineering notation
1.661565143 × 10^9
Prime Factorization
133 × 4457 × 2803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661565143
Product of the distinct prime numbers
The prime factorization of 1661565143 is 133 × 4457 × 2803.
Since it has a total of 3 prime factors.
6 , 10 , 92 , 83 , 467 , 400 , 550 , 1773 , 18396 , 55476 , 217981 , 870842 , 2965644 , 7834828 , 87157154 , 85022400 , 538218704 , 848277162 , 4288765246 , 249071300
n×2
3323130286
n×3
4984695429
n×4
6646260572
n×5
8307825715
n÷2
830782571.5
n÷3
553855047.66667
n÷3
415391285.75
n÷5
332313028.6
n2
2760798724432610449
n3
4.5872469273561E+27
n4
7.6220095968287E+36
n5
1.2664465465702E+46
2 √n
40762.300511625
3 √n
1184.4201601009
4 √n
201.89675706069
5 √n
69.839878404145
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
-1661565142
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 1661565143 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661565143) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010010111100011010111
3
Ternary
11021210112020212202
4
Quaternary
1203002113203113
5
Quinary
11400330041033
6
Senary
432513035115
8
Octal
14302274327
10
Decimal
1661565143
12
Duodecimal
3a4555a9b
16
Hexadecimal
630978d7
20
Vigesimal
15j4fch3
36
Base36
rh93vb
md5
e07cd9f1d96805c1af0739cda6bb2991
sha1
123b8f7209d116e19d5022734edf38c8cdaf144a
sha256
fb59a056f17a66d03b88c3072deda29a6691752970686da708007c87eea145d4
sha512
e1591649173efd7d5ab2cb02f5fcc701c3b23a3aeabd2ee81ecc9ff0bbcca73f7f10073c5f8586771cd939756df234adadf9bca4aeeda686dd032286d5042538
ripemd-160
eb1f215b2fbe6bfc64177565af1b84cddb20a134
Diameter
3323130286
Circumference
10439921693.419
Area
8.6733049907176E+18
Volume
1.9215014996246E+28
Surface area
3.469321996287E+19
Circumference
10439921693.419
Perimeter
6646260572
Area
2760798724432610449
Diagonal
2349807959.997
Surface area
1.6564792346596E+19
Volume
4.5872469273561E+27
Space diagonal
2877915247.7614
Perimeter
4984695429
Area
1.1954609150472E+18
Altitude
1438957623.8807
Surface area
1.1954609150472E+18
Volume
5.4061223488511E+26
Height
783269319.999