61561491 is an odd 8-digits composite number following 61561490
and preceding 61561492 . In scientific notation, it is written as 6.1561491 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 41020392 positive integers (up to 61561491) that are relatively prime to 61561491.
61561491 has 8 divisors, whose sum is 82123200
The reverse of 61561491 is 19416516
Previous prime number is 7603
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-one million five hundred sixty-one thousand four hundred ninety-one
Scientific notation
6.1561491 × 10^7
Engineering notation
6.1561491 × 10^6
Prime Factorization
3 × 7603 × 2699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61561491
Product of the distinct prime numbers
The prime factorization of 61561491 is 3 × 7603 × 2699.
Since it has a total of 3 prime factors.
9 , 2 , 48 , 76 , 507 , 518 , 3950 , 8448 , 41726 , 97165 , 288763 , 697313 , 2796222 , 5658457 , 57728727 , 46437344 , 416788162 , 117438972 , 1442423260 , 9233305235
n×2
123122982
n×3
184684473
n×4
246245964
n×5
307807455
n÷2
30780745.5
n÷3
20520497
n÷3
15390372.75
n÷5
12312298.2
n2
3789817174143081
n3
2.3330679585765E+23
n4
1.436271421343E+31
n5
8.8419010178563E+38
2 √n
7846.1131141477
3 √n
394.85384968568
4 √n
88.578288051574
5 √n
36.129489567036
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
-61561490
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 61561491 can be divided by 8 positive divisors.
The sum of these divisors (counting 61561491) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101010110101101010010011
3
Ternary
11021211122111020
4
Quaternary
3222311222103
5
Quinary
111224431431
6
Senary
10035250523
8
Octal
352655223
10
Decimal
61561491
12
Duodecimal
18749a43
16
Hexadecimal
3ab5a93
20
Vigesimal
j4f3eb
36
Base36
10nh5f
md5
08a173534abd722087f6a4c8691dec7f
sha1
b567c040974246c8b3973bda84210bb219d8fb9a
sha256
850a244be718409d3bf04f5b1379c7bc416ee72ccd2da8d30a322a7ecceb0894
sha512
07189ef05097e221f1ed28736001825fd178c54329a23017ac202421870fe90a583071e351b4600d3f1bd018311c7bc1473ad26bc9972f677b1dbbc2c88b508b
ripemd-160
ff75f5206f0dfa6aa8f77239774a5b9e8269a6c2
Diameter
123122982
Circumference
386802255.73927
Area
1.1906061792736E+16
Volume
9.7727322119864E+23
Surface area
4.7624247170945E+16
Circumference
386802255.73927
Perimeter
246245964
Area
3789817174143081
Diagonal
87061095.492109
Surface area
22738903044858486
Volume
2.3330679585765E+23
Space diagonal
106627630.20169
Perimeter
184684473
Area
1.6410389742532E+15
Altitude
53313815.100847
Surface area
1.6410389742532E+15
Volume
2.7495469574642E+22
Height
29020365.164036