20408725 is an odd 8-digits composite number following 20408724
and preceding 20408726 . In scientific notation, it is written as 2.0408725 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 16289280 positive integers (up to 20408725) that are relatively prime to 20408725.
20408725 has 12 divisors, whose sum is 25365316
The reverse of 20408725 is 52780402
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred eight thousand seven hundred twenty-five
Scientific notation
2.0408725 × 10^7
Engineering notation
2.0408725 × 10^6
Prime Factorization
5 × 5 × 673 × 1213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4081745
Product of the distinct prime numbers
The prime factorization of 20408725 is 5 × 5 × 673 × 1213.
Since it has a total of 4 prime factors.
10 , 4 , 57 , 74 , 925 , 468 , 1304 , 4007 , 47614 , 93362 , 365427 , 229583 , 6979922 , 5420566 , 8649761 , 97112558 , 293376131 , 933314429 , 6362632846 , 4212533413
n×2
40817450
n×3
61226175
n×4
81634900
n×5
102043625
n÷2
10204362.5
n÷3
6802908.3333333
n÷3
5102181.25
n÷5
4081745
n2
416516056125625
n3
8.5005616475524E+21
n4
1.7348562501044E+29
n5
3.5406204122913E+36
2 √n
4517.601686736
3 √n
273.27839053642
4 √n
67.213106510085
5 √n
28.970979228916
1 , 5 , 25 , 673 , 1213 , 3365 , 6065 , 16825 , 30325 , 816349 , 4081745 , 20408725
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20408724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408725 can be divided by 12 positive divisors.
The sum of these divisors (counting 20408725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110110100110010101
3
Ternary
1102101212111201
4
Quaternary
1031312212111
5
Quinary
20211034400
6
Senary
2005232501
8
Octal
115664625
10
Decimal
20408725
12
Duodecimal
6a02731
16
Hexadecimal
1376995
20
Vigesimal
67b1g5
36
Base36
c5fh1
md5
0d5e92f8840767f9874cc30054f8e724
sha1
0c299913d9f35fa6b3905cb2cba7c5990de0c63d
sha256
9d4882cf28a67cb10ba8c11bf30a4d2154eb4595d2a89316a1dd3da1f5339c97
sha512
192a9064b7495a942679670f2dd9a05bf87c1e4a8b4ea463a9b08b3ddd59476c670cabf412e68620074e3f466afb69093abb61640645fae2eefe55d49d004b43
ripemd-160
d972bc7a8edd80d4bea763749c3226da475e9c47
Diameter
40817450
Circumference
128231801.05827
Area
1.3085237820265E+15
Volume
3.5607069364451E+22
Surface area
5.2340951281058E+15
Circumference
128231801.05827
Perimeter
81634900
Area
416516056125625
Diagonal
28862295.685743
Surface area
2499096336753750
Volume
8.5005616475524E+21
Space diagonal
35348948.617701
Perimeter
61226175
Area
1.8035674284445E+14
Altitude
17674474.308851
Surface area
1.8035674284445E+14
Volume
1.0018007974798E+21
Height
9620765.2285809