20402575 is an odd 8-digits composite number following 20402574
and preceding 20402576 . In scientific notation, it is written as 2.0402575 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 16322040 positive integers (up to 20402575) that are relatively prime to 20402575.
20402575 has 4 divisors, whose sum is 21218704
The reverse of 20402575 is 57520402
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred two thousand five hundred seventy-five
Scientific notation
2.0402575 × 10^7
Engineering notation
2.0402575 × 10^6
Prime Factorization
25 × 816103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20402575
Product of the distinct prime numbers
The prime factorization of 20402575 is 25 × 816103.
Since it has a total of 2 prime factors.
7 , 2 , 8 , 77 , 163 , 455 , 1555 , 2783 , 71969 , 69142 , 28651 , 972646 , 9453091 , 8701857 , 15011696 , 61080291 , 438720115 , 452188135 , 7473352935 , 406645323
n×2
40805150
n×3
61207725
n×4
81610300
n×5
102012875
n÷2
10201287.5
n÷3
6800858.3333333
n÷3
5100643.75
n÷5
4080515
n2
416265066630625
n3
8.4928792418113E+21
n4
1.73276605697E+29
n5
3.5352889434784E+36
2 √n
4516.920964551
3 √n
273.25093771991
4 √n
67.208042409752
5 √n
28.969232985558
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
-20402574
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 20402575 can be divided by 4 positive divisors.
The sum of these divisors (counting 20402575) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101000110001111
3
Ternary
1102101120001221
4
Quaternary
1031311012033
5
Quinary
20210340300
6
Senary
2005144211
8
Octal
115650617
10
Decimal
20402575
12
Duodecimal
69bb067
16
Hexadecimal
137518f
20
Vigesimal
67a68f
36
Base36
c5aq7
md5
25d84424e2d1dc369d82387741905873
sha1
c0684f1022d4299bd1a772cb44ce69ab33702125
sha256
e68077c67e816305e8600710fabba16726f1fd5f78527e9d43ced60d146fb5f7
sha512
56c096b459d0cff413c8b807a213b8094942136a558ce84732497f16ad6a66c2254b639f567580d2a001d587d583e1d69f8d8c1fce9357de04433e7369821a76
ripemd-160
ce47155f1456580278375713c1be1cb2e2fc3e6a
Diameter
40805150
Circumference
128193159.46863
Area
1.3077352752728E+15
Volume
3.5574889378533E+22
Surface area
5.2309411010913E+15
Circumference
128193159.46863
Perimeter
81610300
Area
416265066630625
Diagonal
28853598.272334
Surface area
2497590399783750
Volume
8.4928792418113E+21
Space diagonal
35338296.505235
Perimeter
61207725
Area
1.8024806120507E+14
Altitude
17669148.252617
Surface area
1.8024806120507E+14
Volume
1.0008954172805E+21
Height
9617866.0907781