20725087 is an odd 8-digits composite number following 20725086
and preceding 20725088 . In scientific notation, it is written as 2.0725087 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20708560 positive integers (up to 20725087) that are relatively prime to 20725087.
20725087 has 4 divisors, whose sum is 20741616
The reverse of 20725087 is 78052702
Previous prime number is 1367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred twenty-five thousand eighty-seven
Scientific notation
2.0725087 × 10^7
Engineering notation
2.0725087 × 10^6
Prime Factorization
1367 × 15161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20725087
Product of the distinct prime numbers
The prime factorization of 20725087 is 1367 × 15161.
Since it has a total of 2 prime factors.
3 , 4 , 37 , 61 , 509 , 960 , 7129 , 4567 , 12818 , 94855 , 351319 , 57946 , 7736989 , 2017595 , 53892691 , 64594762 , 566697751 , 45156079 , 3684204960 , 3997642162
n×2
41450174
n×3
62175261
n×4
82900348
n×5
103625435
n÷2
10362543.5
n÷3
6908362.3333333
n÷3
5181271.75
n÷5
4145017.4
n2
429529231157569
n3
8.9020306847837E+21
n4
1.8449536041881E+29
n5
3.8236823957762E+36
2 √n
4552.4814112745
3 √n
274.68321428279
4 √n
67.472078753174
5 √n
29.060245070377
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
-20725086
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 20725087 can be divided by 4 positive divisors.
The sum of these divisors (counting 20725087) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000011110101011111
3
Ternary
1102222221110211
4
Quaternary
1033003311133
5
Quinary
20301200322
6
Senary
2020113251
8
Octal
117036537
10
Decimal
20725087
12
Duodecimal
6b35827
16
Hexadecimal
13c3d5f
20
Vigesimal
69ace7
36
Base36
cc7kv
md5
d1f6b7f287209b02ed95a2e6a3e80e26
sha1
285853d8cb3239a7d3bac83a1610faf5f261fa63
sha256
d0f04aaed3004a2d4e23eb7396a3a89f372053cc437b4cea422e8cf2701b4705
sha512
f888ba68640a0bf487b13ce2f90e0c3413ed95778d3a18417833f57b7118606bbe50d649391aa52d1b3a602b7a41dc5d854ab1cc3fcdbd240302bc76b9ab1b91
ripemd-160
5bcde0f9a498ffd0c995e2bafc83618ff710c43b
Diameter
41450174
Circumference
130219562.12842
Area
1.3494058771067E+15
Volume
3.728873893513E+22
Surface area
5.3976235084268E+15
Circumference
130219562.12842
Perimeter
82900348
Area
429529231157569
Diagonal
29309699.116762
Surface area
2577175386945414
Volume
8.9020306847837E+21
Space diagonal
35896903.675285
Perimeter
62175261
Area
1.8599161292523E+14
Altitude
17948451.837643
Surface area
1.8599161292523E+14
Volume
1.0491143772569E+21
Height
9769899.7055874