661431454 is an even 9-digits composite number following 661431453
and preceding 661431455 . In scientific notation, it is written as 6.61431454 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 330715726 positive integers (up to 661431454) that are relatively prime to 661431454.
661431454 has 4 divisors, whose sum is 992147184
The reverse of 661431454 is 454134166
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred sixty-one million four hundred thirty-one thousand four hundred fifty-four
Scientific notation
6.61431454 × 10^8
Engineering notation
6.61431454 × 10^6
Prime Factorization
2 × 330715727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
661431454
Product of the distinct prime numbers
The prime factorization of 661431454 is 2 × 330715727.
Since it has a total of 2 prime factors.
2 , 6 , 92 , 58 , 850 , 691 , 748 , 8267 , 47877 , 8568 , 307079 , 965228 , 7919666 , 7897773 , 47518270 , 67716337 , 5125568 , 294468664 , 6531732716 , 9923187725
n×2
1322862908
n×3
1984294362
n×4
2645725816
n×5
3307157270
n÷2
330715727
n÷3
220477151.33333
n÷3
165357863.5
n÷5
132286290.8
n2
437491568340554116
n3
2.8937068416023E+26
n4
1.9139887236908E+35
n5
1.2659723444504E+44
2 √n
25718.3097034
3 √n
871.28776307456
4 √n
160.36929164712
5 √n
58.089410436625
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
-661431453
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 661431454 can be divided by 4 positive divisors.
The sum of these divisors (counting 661431454) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011011001010010010011110
3
Ternary
1201002121012101021
4
Quaternary
213123022102132
5
Quinary
2323311301304
6
Senary
145344434354
8
Octal
4733122236
10
Decimal
661431454
12
Duodecimal
1656189ba
16
Hexadecimal
276ca49e
20
Vigesimal
a6diice
36
Base36
axsrry
md5
b6dfbb1f71e6a612267ed21dc8f3be39
sha1
51ee1b539a89528155d07aa0f8e2f80e612f10fd
sha256
336123d614654b57353c3a32fdc523c0760c1eb8bc9b9e4c0f31e13861fda494
sha512
fb07d39b1832803797ea6da8440df460a7a8d39239799b49c6ca9496711cfff9a22a384c52afd5e27dc5beb3cb5448314efbd443fe8e2093082ce859857e4ca3
ripemd-160
bcb5debfeb10868e613ec181db60f5cedc3f2e39
Diameter
1322862908
Circumference
4155896393.4792
Area
1.3744202971062E+18
Volume
1.2121130873627E+27
Surface area
5.4976811884246E+18
Circumference
4155896393.4792
Perimeter
2645725816
Area
437491568340554116
Diagonal
935405332.82696
Surface area
2624949410043324696
Volume
2.8937068416023E+26
Space diagonal
1145632884.0522
Perimeter
1984294362
Area
1.8943940606221E+17
Altitude
572816442.02608
Surface area
1.8943940606221E+17
Volume
3.4102662174382E+25
Height
311801777.60899