20125709 is an odd 8-digits composite number following 20125708
and preceding 20125710 . In scientific notation, it is written as 2.0125709 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20086560 positive integers (up to 20125709) that are relatively prime to 20125709.
20125709 has 4 divisors, whose sum is 20164860
The reverse of 20125709 is 90752102
Previous prime number is 521
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-five thousand seven hundred nine
Scientific notation
2.0125709 × 10^7
Engineering notation
2.0125709 × 10^6
Prime Factorization
521 × 38629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20125709
Product of the distinct prime numbers
The prime factorization of 20125709 is 521 × 38629.
Since it has a total of 2 prime factors.
8 , 9 , 12 , 35 , 203 , 479 , 3272 , 9114 , 45270 , 96521 , 88220 , 305765 , 203463 , 7224368 , 28929927 , 45398727 , 202007273 , 836556379 , 8306873713 , 9327841396
n×2
40251418
n×3
60377127
n×4
80502836
n×5
100628545
n÷2
10062854.5
n÷3
6708569.6666667
n÷3
5031427.25
n÷5
4025141.8
n2
405044162752681
n3
8.1518009517091E+21
n4
1.6406077378002E+29
n5
3.3018393914115E+36
2 √n
4486.1686325862
3 √n
272.00928547453
4 √n
66.978867059589
5 √n
28.890179338533
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
-20125708
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 20125709 can be divided by 4 positive divisors.
The sum of these divisors (counting 20125709) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001100000001101
3
Ternary
1101212111021122
4
Quaternary
1030301200031
5
Quinary
20123010314
6
Senary
1555210325
8
Octal
114614015
10
Decimal
20125709
12
Duodecimal
68a69a5
16
Hexadecimal
133180d
20
Vigesimal
65fe59
36
Base36
bzd3h
md5
20557cc38f84a3358165241b09b52a3e
sha1
c4606987b8fa813ae0c984b5b30e9571d4334994
sha256
e3524bc0d06567e6c7dbb46b24ecf718ccc63f28276f8c241a8a65d88b464df7
sha512
e6418d011c70b5538673c5730c74ae40cc677c421f27a3ebb912a15c56f18561487bbcf45c7663925a26620ce10545c3547237b43a0ef9c00db4641ec39196c8
ripemd-160
817eaef9b9a6d18f23769d4b6f9b24797e1ac9da
Diameter
40251418
Circumference
126453559.08537
Area
1.2724837660833E+15
Volume
3.4146183977887E+22
Surface area
5.089935064333E+15
Circumference
126453559.08537
Perimeter
80502836
Area
405044162752681
Diagonal
28462050.620174
Surface area
2430264976516086
Volume
8.1518009517091E+21
Space diagonal
34858750.526346
Perimeter
60377127
Area
1.7538926729921E+14
Altitude
17429375.263173
Surface area
1.7538926729921E+14
Volume
9.6069895530608E+20
Height
9487350.2067248