661036391 is an odd 9-digits composite number following 661036390
and preceding 661036392 . In scientific notation, it is written as 6.61036391 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 624199608 positive integers (up to 661036391) that are relatively prime to 661036391.
661036391 has 8 divisors, whose sum is 698100480
The reverse of 661036391 is 193630166
Previous prime number is 307
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 three hundred ninety-one
Scientific notation
6.61036391 × 10^8
Engineering notation
6.61036391 × 10^6
Prime Factorization
19 × 307 × 113327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661036391
Product of the distinct prime numbers
The prime factorization of 661036391 is 19 × 307 × 113327.
Since it has a total of 3 prime factors.
6 , 4 , 4 , 64 , 756 , 674 , 4381 , 5719 , 97600 , 83622 , 967652 , 327241 , 4468428 , 9981851 , 91176574 , 3113035 , 909333410 , 293593851 , 5015271138 , 1474269126
n×2
1322072782
n×3
1983109173
n×4
2644145564
n×5
3305181955
n÷2
330518195.5
n÷3
220345463.66667
n÷3
165259097.75
n÷5
132207278.2
n2
436969110226304881
n3
2.8885248360248E+26
n4
1.9094200329197E+35
n5
1.2621961274643E+44
2 √n
25710.62797755
3 √n
871.11425952687
4 √n
160.34533974379
5 √n
58.08246959297
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
-661036390
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 661036391 can be divided by 8 positive divisors.
The sum of these divisors (counting 661036391) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011001101001110101100111
3
Ternary
1201001212010110022
4
Quaternary
213121221311213
5
Quinary
2323211131031
6
Senary
145332145355
8
Octal
4731516547
10
Decimal
661036391
12
Duodecimal
16546825b
16
Hexadecimal
27669d67
20
Vigesimal
a6b9ajb
36
Base36
axkaxz
md5
4f9f8970dabc27de04ea90dc92e71119
sha1
451e6b717965820a91065151198bb133d634a3f9
sha256
7aa11ceecafd1739b331c2340123110102d414dbcd0c3c01bd49c3abc4c10103
sha512
3ad2b81dbf39b1d20e59a35d47552cccac6b6f4eda61b77c07f0f5c3eb5c213ef20d1bd724d7062e7c5065f2f668e7218f92e384115d87cfbc22788592e2deee
ripemd-160
a36797ae2c00b90cb8d1f0024f9fdeb388478036
Diameter
1322072782
Circumference
4153414139.4422
Area
1.3727789465326E+18
Volume
1.2099424539423E+27
Surface area
5.4911157861305E+18
Circumference
4153414139.4422
Perimeter
2644145564
Area
436969110226304881
Diagonal
934846629.37436
Surface area
2621814661357829286
Volume
2.8885248360248E+26
Space diagonal
1144948614.864
Perimeter
1983109173
Area
1.8921317506253E+17
Altitude
572474307.43198
Surface area
1.8921317506253E+17
Volume
3.4041591652981E+25
Height
311615543.12479