20507961 is an odd 8-digits composite number following 20507960
and preceding 20507962 . In scientific notation, it is written as 2.0507961 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13612832 positive integers (up to 20507961) that are relatively prime to 20507961.
20507961 has 8 divisors, whose sum is 27462240
The reverse of 20507961 is 16970502
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred seven thousand nine hundred sixty-one
Scientific notation
2.0507961 × 10^7
Engineering notation
2.0507961 × 10^6
Prime Factorization
3 × 233 × 29339
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20507961
Product of the distinct prime numbers
The prime factorization of 20507961 is 3 × 233 × 29339.
Since it has a total of 3 prime factors.
8 , 10 , 79 , 17 , 128 , 345 , 6294 , 6904 , 54879 , 74719 , 145845 , 452298 , 2288445 , 8326502 , 49556295 , 42443697 , 768570376 , 127070142 , 708855839 , 3518988739
n×2
41015922
n×3
61523883
n×4
82031844
n×5
102539805
n÷2
10253980.5
n÷3
6835987
n÷3
5126990.25
n÷5
4101592.2
n2
420576464377521
n3
8.6251657289721E+21
n4
1.768845623883E+29
n5
3.6275417069612E+36
2 √n
4528.5716291122
3 √n
273.72060692314
4 √n
67.294662708956
5 √n
28.999098463491
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20507960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20507961 can be divided by 8 positive divisors.
The sum of these divisors (counting 20507961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001110110100111001
3
Ternary
1102120220122010
4
Quaternary
1032032310321
5
Quinary
20222223321
6
Senary
2011320133
8
Octal
116166471
10
Decimal
20507961
12
Duodecimal
6a50049
16
Hexadecimal
138ed39
20
Vigesimal
6839i1
36
Base36
c7k1l
md5
13f3431e0607ca63ab915bd45200ebb9
sha1
55d97124d7a85426093d8be0e811833df8243c8d
sha256
61f27f2788c4f29d031354707f913af0726960dd2bba3c32be3243ad03384b2d
sha512
433226837f9230eaed025d1c9c087b9a569528a0668ccef66ff619cead5884fe2d612a032982e596294f9c91f39bddac46a5d5842010a4f63e28807ca23b6043
ripemd-160
148669395a878e32538eacc38f6000b076fb5cfd
Diameter
41015922
Circumference
128855319.23541
Area
1.3212799307612E+15
Volume
3.6129009720178E+22
Surface area
5.2851197230448E+15
Circumference
128855319.23541
Perimeter
82031844
Area
420576464377521
Diagonal
29002636.582819
Surface area
2523458786265126
Volume
8.6251657289721E+21
Space diagonal
35520830.411641
Perimeter
61523883
Area
1.8211495119239E+14
Altitude
17760415.205821
Surface area
1.8211495119239E+14
Volume
1.0164855293023E+21
Height
9667545.5276062