61661591 is an odd 8-digits composite number following 61661590
and preceding 61661592 . In scientific notation, it is written as 6.1661591 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 61348392 positive integers (up to 61661591) that are relatively prime to 61661591.
61661591 has 4 divisors, whose sum is 61974792
The reverse of 61661591 is 19516616
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-one million six hundred sixty-one thousand five hundred ninety-one
Scientific notation
6.1661591 × 10^7
Engineering notation
6.1661591 × 10^6
Prime Factorization
197 × 313003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61661591
Product of the distinct prime numbers
The prime factorization of 61661591 is 197 × 313003.
Since it has a total of 2 prime factors.
10 , 3 , 73 , 14 , 615 , 141 , 1306 , 3106 , 11094 , 42292 , 448288 , 95689 , 1881751 , 3488636 , 68705938 , 95952870 , 367397023 , 849857114 , 8628502617 , 2216804057
n×2
123323182
n×3
184984773
n×4
246646364
n×5
308307955
n÷2
30830795.5
n÷3
20553863.666667
n÷3
15415397.75
n÷5
12332318.2
n2
3802151804651281
n3
2.3444672949832E+23
n4
1.4456358345613E+31
n5
8.9140205565662E+38
2 √n
7852.4894778662
3 √n
395.06774675209
4 √n
88.614273556049
5 √n
36.141231361796
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61661590
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61661591 can be divided by 4 positive divisors.
The sum of these divisors (counting 61661591) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101011001110000110010111
3
Ternary
11022000201210122
4
Quaternary
3223032012113
5
Quinary
111241132331
6
Senary
10041342155
8
Octal
353160627
10
Decimal
61661591
12
Duodecimal
1879795b
16
Hexadecimal
3ace197
20
Vigesimal
j57djb
36
Base36
10pmdz
md5
60fe7d90c90c1fed6f2905e4c62a558c
sha1
a6034241ef02ab3af4ab6902bb5b917a6a86e001
sha256
b7837cd9314185001585238642ec796b2d47b48ce3608c2ca522d81113a057d7
sha512
c8fac1ffc973a76585317fbac9d81657a84b7e007f70bf88dc9b0851f372df60d4664fd9a5c807b7a8dd96276226e454213105e59c382ddf5bcbb664f676bf49
ripemd-160
4aa04efd1c36c96e5e2becc081670f85cf95a57f
Diameter
123323182
Circumference
387431202.58852
Area
1.1944812177326E+16
Volume
9.8204816406676E+23
Surface area
4.7779248709303E+16
Circumference
387431202.58852
Perimeter
246646364
Area
3802151804651281
Diagonal
87202658.269703
Surface area
22812910827907686
Volume
2.3444672949832E+23
Space diagonal
106801008.48753
Perimeter
184984773
Area
1.6463800259364E+15
Altitude
53400504.243766
Surface area
1.6463800259364E+15
Volume
2.7629812042545E+22
Height
29067552.756568