61391618 is an even 8-digits composite number following 61391617
and preceding 61391619 . In scientific notation, it is written as 6.1391618 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 30471616 positive integers (up to 61391618) that are relatively prime to 61391618.
61391618 has 8 divisors, whose sum is 92760012
The reverse of 61391618 is 81619316
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-one million three hundred ninety-one thousand six hundred eighteen
Scientific notation
6.1391618 × 10^7
Engineering notation
6.1391618 × 10^6
Prime Factorization
2 × 137 × 224057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61391618
Product of the distinct prime numbers
The prime factorization of 61391618 is 2 × 137 × 224057.
Since it has a total of 3 prime factors.
8 , 3 , 69 , 93 , 991 , 636 , 4224 , 9485 , 43248 , 3032 , 997098 , 751939 , 5004843 , 5975094 , 42561767 , 2165762 , 957027150 , 727433710 , 1837569607 , 3337886478
n×2
122783236
n×3
184174854
n×4
245566472
n×5
306958090
n÷2
30695809
n÷3
20463872.666667
n÷3
15347904.5
n÷5
12278323.6
n2
3768930760657924
n3
2.3138075752676E+23
n4
1.4204839078634E+31
n5
8.7205805446694E+38
2 √n
7835.2803395922
3 √n
394.49032806773
4 √n
88.517118906979
5 √n
36.109528353713
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
-61391617
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 61391618 can be divided by 8 positive divisors.
The sum of these divisors (counting 61391618) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101010001100001100000010
3
Ternary
11021112000110122
4
Quaternary
3222030030002
5
Quinary
111204012433
6
Senary
10031500242
8
Octal
352141402
10
Decimal
61391618
12
Duodecimal
18687682
16
Hexadecimal
3a8c302
20
Vigesimal
j3dj0i
36
Base36
10ju2q
md5
ddf375a546d9b8f76b25d4bfdb2c26c6
sha1
fb2841a3209a2e436d705111e97f06696fc77c75
sha256
3a5546bd9094a8758c20bdc5938bdccac3767bfe1300d09b20e2adae81caf76b
sha512
a5bf2238fa44d25c964ec6afd3348752ff8b504324742513795383dedf9ab9986798ca9db77e046873d500379b8dffaf5f89e8957559f0b515b5346d56528c99
ripemd-160
0d5d8ad755449cbb886ba6108aa32cc5a9d492fe
Diameter
122783236
Circumference
385734912.20158
Area
1.1840445189572E+16
Volume
9.6920545070415E+23
Surface area
4.7361780758286E+16
Circumference
385734912.20158
Perimeter
245566472
Area
3768930760657924
Diagonal
86820858.791628
Surface area
22613584563947544
Volume
2.3138075752676E+23
Space diagonal
106333401.53486
Perimeter
184174854
Area
1.6319948919172E+15
Altitude
53166700.76743
Surface area
1.6319948919172E+15
Volume
2.7268483780542E+22
Height
28940286.263876