661330372 is an even 9-digits composite number following 661330371
and preceding 661330373 . In scientific notation, it is written as 6.61330372 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 330665184 positive integers (up to 661330372) that are relatively prime to 661330372.
661330372 has 6 divisors, whose sum is 1157328158
The reverse of 661330372 is 273033166
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred sixty-one million three hundred thirty thousand three hundred seventy-two
Scientific notation
6.61330372 × 10^8
Engineering notation
6.61330372 × 10^6
Prime Factorization
2 × 2 × 165332593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
330665186
Product of the distinct prime numbers
The prime factorization of 661330372 is 2 × 2 × 165332593.
Since it has a total of 3 prime factors.
5 , 6 , 7 , 50 , 810 , 889 , 4623 , 1871 , 1410 , 16464 , 234846 , 921156 , 5147685 , 9449447 , 88758010 , 56227737 , 336154656 , 155656041 , 2152351450 , 1805243147
n×2
1322660744
n×3
1983991116
n×4
2645321488
n×5
3306651860
n÷2
330665186
n÷3
220443457.33333
n÷3
165332593
n÷5
132266074.4
n2
437357860929658384
n3
2.8923803686574E+26
n4
1.9128189851697E+35
n5
1.2650052910309E+44
2 √n
25716.344452507
3 √n
871.24337651671
4 √n
160.3631642632
5 √n
58.087634847417
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661330371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661330372 can be divided by 6 positive divisors.
The sum of these divisors (counting 661330372) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100111011010110001100111000100
3
Ternary
1201002102001201111
4
Quaternary
213122301213010
5
Quinary
2323300032442
6
Senary
145342334404
8
Octal
4732614704
10
Decimal
661330372
12
Duodecimal
16558a404
16
Hexadecimal
276b19c4
20
Vigesimal
a6d65ic
36
Base36
axqls4
md5
ccc401d338195247cf622a62ac5d8115
sha1
5ff07e23bebc7e00ace7a000d645144a090e4ff9
sha256
aea7de9cbcb3c189800627d6fb0f3617b97b1078ad09fea3a0170cf9be102316
sha512
b2caff402ca52a10a41d2c9c5fb0ea7c5c4854c7fd2a29aaf04dd0ff4a8bfed071ba41a2ab66232b68728afd67388ab15ee5ceffee2e8d94d18412e96269c2f5
ripemd-160
a3fe6adc3d503e48eb2caecaf3c3d874b241c2a3
Diameter
1322660744
Circumference
4155261276.542
Area
1.3740002428864E+18
Volume
1.2115574556748E+27
Surface area
5.4960009715454E+18
Circumference
4155261276.542
Perimeter
2645321488
Area
437357860929658384
Diagonal
935262381.29164
Surface area
2624147165577950304
Volume
2.8923803686574E+26
Space diagonal
1145457804.8924
Perimeter
1983991116
Area
1.8938150905495E+17
Altitude
572728902.44621
Surface area
1.8938150905495E+17
Volume
3.4087029540808E+25
Height
311754127.09721