61661685 is an odd 8-digits composite number following 61661684
and preceding 61661686 . In scientific notation, it is written as 6.1661685 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 31562496 positive integers (up to 61661685) that are relatively prime to 61661685.
61661685 has 32 divisors, whose sum is 102672000
The reverse of 61661685 is 58616616
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-one million six hundred sixty-one thousand six hundred eighty-five
Scientific notation
6.1661685 × 10^7
Engineering notation
6.1661685 × 10^6
Prime Factorization
29 × 3 × 5 × 229 × 619
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
61661685
Product of the distinct prime numbers
The prime factorization of 61661685 is 29 × 3 × 5 × 229 × 619.
Since it has a total of 5 prime factors.
2 , 10 , 86 , 24 , 602 , 954 , 978 , 6681 , 28146 , 35728 , 917535 , 894250 , 6950740 , 5632744 , 64537091 , 75355587 , 713220587 , 933596966 , 4239006005 , 3641381883
n×2
123323370
n×3
184985055
n×4
246646740
n×5
308308425
n÷2
30830842.5
n÷3
20553895
n÷3
15415421.25
n÷5
12332337
n2
3802163397039225
n3
2.3444780170676E+23
n4
1.4456446497785E+31
n5
8.9140885016576E+38
2 √n
7852.495463227
3 √n
395.06794750564
4 √n
88.614307328032
5 √n
36.141242380887
1 , 3 , 5 , 15 , 29 , 87 , 145 , 229 , 435 , 619 , 687 , 1145 , 1857 , 3095 , 3435 , 6641 , 9285 , 17951 , 19923 , 33205 , 53853 , 89755 , 99615 , 141751 , 269265 , 425253 , 708755 , 2126265 , 4110779 , 12332337 , 20553895 , 61661685
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61661684
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61661685 can be divided by 32 positive divisors.
The sum of these divisors (counting 61661685) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11101011001110000111110101
3
Ternary
11022000201221010
4
Quaternary
3223032013311
5
Quinary
111241133220
6
Senary
10041342433
8
Octal
353160765
10
Decimal
61661685
12
Duodecimal
18797a19
16
Hexadecimal
3ace1f5
20
Vigesimal
j57e45
36
Base36
10pmgl
md5
bb1324edb5d8252c067ec4642c901707
sha1
c2df7d356f59d6e2cd1945bd2d225c17ad5e40f8
sha256
295aff90ba007b95c86fad4b78b23790ce6945be5501a6102e1819baa46bfa54
sha512
0c49f4103b6807cbc11ba237b6e567510a3f26fa41856a0e7729bbc26700032be1204459b9bfab69b6a94b0c1e54307ad7d09c0c5850583af5e54dca407acc9b
ripemd-160
0f4b589424c4018353cc509cb90927eed57d3e27
Diameter
123323370
Circumference
387431793.20794
Area
1.1944848595886E+16
Volume
9.8205265532299E+23
Surface area
4.7779394383546E+16
Circumference
387431793.20794
Perimeter
246646740
Area
3802163397039225
Diagonal
87202791.205778
Surface area
22812980382235350
Volume
2.3444780170676E+23
Space diagonal
106801171.30031
Perimeter
184985055
Area
1.6463850455877E+15
Altitude
53400585.650154
Surface area
1.6463850455877E+15
Volume
2.7629938403522E+22
Height
29067597.068593