61661520 is an even 8-digits composite number following 61661519
and preceding 61661521 . In scientific notation, it is written as 6.1661520 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 16442496 positive integers (up to 61661520) that are relatively prime to 61661520.
61661520 has 20 divisors, whose sum is 120358368
The reverse of 61661520 is 02516616
Previous prime number is 135
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
sixty-one million six hundred sixty-one thousand five hundred twenty
Scientific notation
6.1661520 × 10^7
Engineering notation
6.1661520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 135 × 28547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7707690
Product of the distinct prime numbers
The prime factorization of 61661520 is 2 × 2 × 2 × 2 × 135 × 28547.
Since it has a total of 6 prime factors.
1 , 1 , 31 , 26 , 795 , 138 , 5353 , 882 , 49992 , 32847 , 203301 , 623214 , 4726726 , 2176238 , 7537903 , 28042802 , 970344226 , 828209400 , 6245205997 , 2008574114
n×2
123323040
n×3
184984560
n×4
246646080
n×5
308307600
n÷2
30830760
n÷3
20553840
n÷3
15415380
n÷5
12332304
n2
3802143048710400
n3
2.3444591964092E+23
n4
1.4456291762857E+31
n5
8.9139692366123E+38
2 √n
7852.4849570056
3 √n
395.06759511896
4 √n
88.614248047397
5 √n
36.141223038856
1 , 2 , 4 , 8 , 16 , 135 , 270 , 540 , 1080 , 2160 , 28547 , 57094 , 114188 , 228376 , 456752 , 3853845 , 7707690 , 15415380 , 30830760 , 61661520
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61661519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61661520 can be divided by 20 positive divisors.
The sum of these divisors (counting 61661520) is 1, the average is 0.05.
Base
System
Value
2
Binary
11101011001110000101010000
3
Ternary
11022000201201000
4
Quaternary
3223032011100
5
Quinary
111241132040
6
Senary
10041342000
8
Octal
353160520
10
Decimal
61661520
12
Duodecimal
18797900
16
Hexadecimal
3ace150
20
Vigesimal
j57dg0
36
Base36
10pmc0
md5
0eb731608c3eb631e328e6631ffec83e
sha1
a3e48711177cee29089f9f91c8b23823020ae3ee
sha256
5048b547723c477fb564bde8c121539fdf3921495031b1c33d910cdd5a622740
sha512
e9501d03e355c2bdcfb5b2658b715f1189aea21bee5a3d068e93f5ce1409cdadc730d3e648a2b923632008fd1603ec2682bb85e01ab571efb77f114d11692a9d
ripemd-160
c121064f13d74ea053b1915d40165959efa23204
Diameter
123323040
Circumference
387430756.48236
Area
1.1944784669726E+16
Volume
9.8204477174401E+23
Surface area
4.7779138678904E+16
Circumference
387430756.48236
Perimeter
246646080
Area
3802143048710400
Diagonal
87202557.86054
Surface area
22812858292262400
Volume
2.3444591964092E+23
Space diagonal
106800885.51192
Perimeter
184984560
Area
1.6463762345028E+15
Altitude
53400442.755962
Surface area
1.6463762345028E+15
Volume
2.7629716599935E+22
Height
29067519.286847