61663905 is an odd 8-digits composite number following 61663904
and preceding 61663906 . In scientific notation, it is written as 6.1663905 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 32829984 positive integers (up to 61663905) that are relatively prime to 61663905.
61663905 has 16 divisors, whose sum is 87853056
The reverse of 61663905 is 50936616
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-one million six hundred sixty-three thousand nine hundred five
Scientific notation
6.1663905 × 10^7
Engineering notation
6.1663905 × 10^6
Prime Factorization
15 × 3 × 947 × 1447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61663905
Product of the distinct prime numbers
The prime factorization of 61663905 is 15 × 3 × 947 × 1447.
Since it has a total of 4 prime factors.
10 , 2 , 10 , 82 , 545 , 447 , 8782 , 5713 , 19914 , 27121 , 963832 , 173982 , 3390753 , 1223917 , 24966049 , 17939706 , 813725039 , 928544021 , 7519635375 , 5011547629
n×2
123327810
n×3
184991715
n×4
246655620
n×5
308319525
n÷2
30831952.5
n÷3
20554635
n÷3
15415976.25
n÷5
12332781
n2
3802437179849025
n3
2.3447312502668E+23
n4
1.4458528506698E+31
n5
8.9156932827683E+38
2 √n
7852.6368182923
3 √n
395.07268864713
4 √n
88.615104910463
5 √n
36.141502615108
1 , 3 , 15 , 45 , 947 , 1447 , 2841 , 4341 , 14205 , 21705 , 42615 , 65115 , 1370309 , 4110927 , 20554635 , 61663905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61663904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61663905 can be divided by 16 positive divisors.
The sum of these divisors (counting 61663905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101011001110101010100001
3
Ternary
11022000211222100
4
Quaternary
3223032222201
5
Quinary
111241221110
6
Senary
10041401013
8
Octal
353165241
10
Decimal
61663905
12
Duodecimal
18799169
16
Hexadecimal
3aceaa1
20
Vigesimal
j57jf5
36
Base36
10po69
md5
3359e68b567e3dc7fa8c7a1ed1056c02
sha1
476ad8b789c5c15b8e2a35cff554ccd887010437
sha256
65fd288ea12dd71a7ef9229809775c842e9c77c445772fe428048b8b74006c5f
sha512
d76ce3dffcfa22e1299b15c1844db363b3ef102dc9733d499f3b55572ede27da94503865808bc438231939c69b5d7f8ced140f2b6aff41d5ef4eda9c9234608b
ripemd-160
faff9e20f080f3156a5f602462dde219ed97cbf9
Diameter
123327810
Circumference
387445741.87932
Area
1.194570870995E+16
Volume
9.821587293974E+23
Surface area
4.7782834839802E+16
Circumference
387445741.87932
Perimeter
246655620
Area
3802437179849025
Diagonal
87205930.759886
Surface area
22814623079094150
Volume
2.3447312502668E+23
Space diagonal
106805016.4531
Perimeter
184991715
Area
1.6465035970219E+15
Altitude
53402508.22655
Surface area
1.6465035970219E+15
Volume
2.7632922785394E+22
Height
29068643.586629