61661530 is an even 8-digits composite number following 61661529
and preceding 61661531 . In scientific notation, it is written as 6.1661530 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 20884416 positive integers (up to 61661530) that are relatively prime to 61661530.
61661530 has 32 divisors, whose sum is 128386944
The reverse of 61661530 is 03516616
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
sixty-one million six hundred sixty-one thousand five hundred thirty
Scientific notation
6.1661530 × 10^7
Engineering notation
6.1661530 × 10^6
Prime Factorization
2 × 7 × 5 × 83 × 10613
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
61661530
Product of the distinct prime numbers
The prime factorization of 61661530 is 2 × 7 × 5 × 83 × 10613.
Since it has a total of 5 prime factors.
8 , 2 , 18 , 8 , 528 , 975 , 1438 , 5411 , 95302 , 70665 , 911093 , 850751 , 6254927 , 2158164 , 18754106 , 29762844 , 273051799 , 284160871 , 2818490321 , 6847495544
n×2
123323060
n×3
184984590
n×4
246646120
n×5
308307650
n÷2
30830765
n÷3
20553843.333333
n÷3
15415382.5
n÷5
12332306
n2
3802144281940900
n3
2.3444603370523E+23
n4
1.4456301140696E+31
n5
8.9139764647605E+38
2 √n
7852.4855937467
3 √n
395.06761647575
4 √n
88.614251640166
5 √n
36.141224211101
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 83 , 166 , 415 , 581 , 830 , 1162 , 2905 , 5810 , 10613 , 21226 , 53065 , 74291 , 106130 , 148582 , 371455 , 742910 , 880879 , 1761758 , 4404395 , 6166153 , 8808790 , 12332306 , 30830765 , 61661530
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
-61661529
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 61661530 can be divided by 32 positive divisors.
The sum of these divisors (counting 61661530) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11101011001110000101011010
3
Ternary
11022000201201101
4
Quaternary
3223032011122
5
Quinary
111241132110
6
Senary
10041342014
8
Octal
353160532
10
Decimal
61661530
12
Duodecimal
1879790a
16
Hexadecimal
3ace15a
20
Vigesimal
j57dga
36
Base36
10pmca
md5
d8923ac2791bf6e40b30a1b9035fb81b
sha1
93fc6c5fbd7b66daa7a18b6a5d91af47c9d2bc15
sha256
eb3564fd51e2081d6d8149fc2f81d497fa6041449d01da7514b4e759373ed0b1
sha512
fefbf2070da09c0bc76a9988d1bd1ce944f95df8479c4dd7afe28e69dedfcc594fbc5bb02b3aede4794ea10bb35deed7bd07de2beffa7947b9fd9d5945e693b3
ripemd-160
bd7badf190c8d0a8b02e749f66a64f9006c49d7a
Diameter
123323060
Circumference
387430819.31421
Area
1.1944788544034E+16
Volume
9.8204524953548E+23
Surface area
4.7779154176136E+16
Circumference
387430819.31421
Perimeter
246646120
Area
3802144281940900
Diagonal
87202572.002675
Surface area
22812865691645400
Volume
2.3444603370523E+23
Space diagonal
106800902.83243
Perimeter
184984590
Area
1.6463767685073E+15
Altitude
53400451.416216
Surface area
1.6463767685073E+15
Volume
2.7629730042543E+22
Height
29067524.000892