61781168 is an even 8-digits composite number following 61781167
and preceding 61781169 . In scientific notation, it is written as 6.1781168 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 30616320 positive integers (up to 61781168) that are relatively prime to 61781168.
61781168 has 20 divisors, whose sum is 120763848
The reverse of 61781168 is 86118716
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-one million seven hundred eighty-one thousand one hundred sixty-eight
Scientific notation
6.1781168 × 10^7
Engineering notation
6.1781168 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 113 × 34171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7722646
Product of the distinct prime numbers
The prime factorization of 61781168 is 2 × 2 × 2 × 2 × 113 × 34171.
Since it has a total of 6 prime factors.
6 , 10 , 41 , 61 , 305 , 198 , 3746 , 683 , 95296 , 78114 , 970871 , 159478 , 5453409 , 9703773 , 47773463 , 46589982 , 453973847 , 575707182 , 4895862445 , 750952132
n×2
123562336
n×3
185343504
n×4
247124672
n×5
308905840
n÷2
30890584
n÷3
20593722.666667
n÷3
15445292
n÷5
12356233.6
n2
3816912719444224
n3
2.3581332596132E+23
n4
1.4568822707855E+31
n5
9.0007888327621E+38
2 √n
7860.0997449142
3 √n
395.3229597122
4 √n
88.657203570348
5 √n
36.155237849604
1 , 2 , 4 , 8 , 16 , 113 , 226 , 452 , 904 , 1808 , 34171 , 68342 , 136684 , 273368 , 546736 , 3861323 , 7722646 , 15445292 , 30890584 , 61781168
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61781167
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61781168 can be divided by 20 positive divisors.
The sum of these divisors (counting 61781168) is 1, the average is 0.05.
Base
System
Value
2
Binary
11101011101011010010110000
3
Ternary
11022020210211102
4
Quaternary
3223223102300
5
Quinary
111303444133
6
Senary
10044103532
8
Octal
353532260
10
Decimal
61781168
12
Duodecimal
18834ba8
16
Hexadecimal
3aeb4b0
20
Vigesimal
j62ci8
36
Base36
10s6nk
md5
35ec707498ffc0e1da018a469e022c88
sha1
afc3c6ff03ab55745b843b5abb1cfb519a9ad93d
sha256
4fd2f8605ad3dff8c16974764b49e3e2c53c980e8db611207171ec775d08778a
sha512
1f83d9d059efaba5c637612034b38932848158704d7028e84d66009fc51d3360cbd3f7a2cbc487b9e2dc4bb1fb4ae734ff25f3a57331e1d644d81e0425d0806b
ripemd-160
544f99c7d61e1948d18d07d83206671941dfa147
Diameter
123562336
Circumference
388182527.03799
Area
1.1991184958799E+16
Volume
9.8777254994488E+23
Surface area
4.7964739835198E+16
Circumference
388182527.03799
Perimeter
247124672
Area
3816912719444224
Diagonal
87371765.684851
Surface area
22901476316665344
Volume
2.3581332596132E+23
Space diagonal
107008121.92695
Perimeter
185343504
Area
1.6527716895333E+15
Altitude
53504060.963474
Surface area
1.6527716895333E+15
Volume
2.7790866980234E+22
Height
29123921.89495