61661661 is an odd 8-digits composite number following 61661660
and preceding 61661662 . In scientific notation, it is written as 6.1661661 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 41107772 positive integers (up to 61661661) that are relatively prime to 61661661.
61661661 has 4 divisors, whose sum is 82215552
The reverse of 61661661 is 16616616
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-one million six hundred sixty-one thousand six hundred sixty-one
Scientific notation
6.1661661 × 10^7
Engineering notation
6.1661661 × 10^6
Prime Factorization
3 × 20553887
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61661661
Product of the distinct prime numbers
The prime factorization of 61661661 is 3 × 20553887.
Since it has a total of 2 prime factors.
3 , 4 , 79 , 92 , 254 , 851 , 5371 , 1777 , 42688 , 44994 , 292885 , 813239 , 3208310 , 39146 , 94046730 , 7433626 , 325786285 , 139728230 , 5392194300 , 3069653714
n×2
123323322
n×3
184984983
n×4
246646644
n×5
308308305
n÷2
30830830.5
n÷3
20553887
n÷3
15415415.25
n÷5
12332332.2
n2
3802160437278921
n3
2.344475279511E+23
n4
1.4456423990809E+31
n5
8.9140711539353E+38
2 √n
7852.4939350502
3 √n
395.06789624944
4 √n
88.614298705402
5 √n
36.141239567504
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
-61661660
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 61661661 can be divided by 4 positive divisors.
The sum of these divisors (counting 61661661) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101011001110000111011101
3
Ternary
11022000201220020
4
Quaternary
3223032013131
5
Quinary
111241133121
6
Senary
10041342353
8
Octal
353160735
10
Decimal
61661661
12
Duodecimal
187979b9
16
Hexadecimal
3ace1dd
20
Vigesimal
j57e31
36
Base36
10pmfx
md5
39eea8f14689d028f494b142c02ed2fb
sha1
ee17cdfad4977d84bc192799d53550524ec26ca1
sha256
8bfd7d1fb1bf65bce360ec9eb48c8d8838283c215e1b8273519459cfe0ebf764
sha512
89f83ff936903f6e52da0f9e67b82fbbced75e707a7cead410810961c8f32eb52285037a00368e7ca7e0162ea62eeb60f5cb82e59d6895176aad54ee817e34e3
ripemd-160
b86ad855862828268cfe08f6158ad0dc278de6d4
Diameter
123323322
Circumference
387431642.41149
Area
1.1944839297525E+16
Volume
9.8205150861797E+23
Surface area
4.7779357190101E+16
Circumference
387431642.41149
Perimeter
246646644
Area
3802160437278921
Diagonal
87202757.264652
Surface area
22812962623673526
Volume
2.344475279511E+23
Space diagonal
106801129.73109
Perimeter
184984983
Area
1.6463837639738E+15
Altitude
53400564.865544
Surface area
1.6463837639738E+15
Volume
2.7629906141108E+22
Height
29067585.754884