661036643 is an odd 9-digits composite number following 661036642
and preceding 661036644 . In scientific notation, it is written as 6.61036643 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 638242248 positive integers (up to 661036643) that are relatively prime to 661036643.
661036643 has 4 divisors, whose sum is 683831040
The reverse of 661036643 is 346630166
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
six hundred sixty-one million thirty-six thousand six hundred forty-three
Scientific notation
6.61036643 × 10^8
Engineering notation
6.61036643 × 10^6
Prime Factorization
29 × 22794367
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
661036643
Product of the distinct prime numbers
The prime factorization of 661036643 is 29 × 22794367.
Since it has a total of 2 prime factors.
9 , 1 , 10 , 29 , 366 , 916 , 2469 , 6881 , 39722 , 32269 , 147789 , 195644 , 4250153 , 6271486 , 77786513 , 73268877 , 300093755 , 821194078 , 754872309 , 5648488089
n×2
1322073286
n×3
1983109929
n×4
2644146572
n×5
3305183215
n÷2
330518321.5
n÷3
220345547.66667
n÷3
165259160.75
n÷5
132207328.6
n2
436969443388709449
n3
2.8885281395125E+26
n4
1.9094229445544E+35
n5
1.2621985333354E+44
2 √n
25710.632878247
3 √n
871.11437022212
4 √n
160.34535502548
5 √n
58.082474021404
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
-661036642
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 661036643 can be divided by 4 positive divisors.
The sum of these divisors (counting 661036643) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011001101001111001100011
3
Ternary
1201001212010210122
4
Quaternary
213121221321203
5
Quinary
2323211133033
6
Senary
145332150455
8
Octal
4731517143
10
Decimal
661036643
12
Duodecimal
16546842b
16
Hexadecimal
27669e63
20
Vigesimal
a6b9bc3
36
Base36
axkb4z
md5
785e1ecd5b18d779edb8db807f91da8a
sha1
30454af02d08e73668c956e00b27a33bee4d22a7
sha256
78f690b093ac8046bee80ef6ba306e5b5cb00cd9fd17ab5ccfaa2ea486b79566
sha512
faa6713156c8c9482e3b689e9c448d070834277623c06d3545bc2fe905ca53cccc40830fd6565f823d93bc4188bebe321b230ed17863bf78b55ec4bf4cedec84
ripemd-160
61d76ee9e318d7e98b4297afebafd65cc9b696dd
Diameter
1322073286
Circumference
4153415722.8049
Area
1.3727799931932E+18
Volume
1.209943837704E+27
Surface area
5.4911199727728E+18
Circumference
4153415722.8049
Perimeter
2644146572
Area
436969443388709449
Diagonal
934846985.75618
Surface area
2621816660332256694
Volume
2.8885281395125E+26
Space diagonal
1144949051.3408
Perimeter
1983109929
Area
1.8921331932608E+17
Altitude
572474525.67038
Surface area
1.8921331932608E+17
Volume
3.4041630584958E+25
Height
311615661.91873