20406925 is an odd 8-digits composite number following 20406924
and preceding 20406926 . In scientific notation, it is written as 2.0406925 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 12720000 positive integers (up to 20406925) that are relatively prime to 20406925.
20406925 has 24 divisors, whose sum is 31551552
The reverse of 20406925 is 52960402
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred six thousand nine hundred twenty-five
Scientific notation
2.0406925 × 10^7
Engineering notation
2.0406925 × 10^6
Prime Factorization
5 × 7 × 5 × 11 × 10601
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4081385
Product of the distinct prime numbers
The prime factorization of 20406925 is 5 × 7 × 5 × 11 × 10601.
Since it has a total of 5 prime factors.
8 , 4 , 71 , 82 , 565 , 182 , 4190 , 3995 , 41956 , 30764 , 650197 , 958743 , 4366854 , 8446605 , 99243744 , 51860065 , 558486313 , 290779648 , 1477912623 , 8241297822
n×2
40813850
n×3
61220775
n×4
81627700
n×5
102034625
n÷2
10203462.5
n÷3
6802308.3333333
n÷3
5101731.25
n÷5
4081385
n2
416442587955625
n3
8.4983126592163E+21
n4
1.7342442906318E+29
n5
3.5390593170601E+36
2 √n
4517.4024615923
3 √n
273.27035613667
4 √n
67.21162445286
5 √n
28.970468176879
1 , 5 , 7 , 11 , 25 , 35 , 55 , 77 , 175 , 275 , 385 , 1925 , 10601 , 53005 , 74207 , 116611 , 265025 , 371035 , 583055 , 816277 , 1855175 , 2915275 , 4081385 , 20406925
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406925 can be divided by 24 positive divisors.
The sum of these divisors (counting 20406925) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110001010001101
3
Ternary
1102101210001001
4
Quaternary
1031312022031
5
Quinary
20211010200
6
Senary
2005220301
8
Octal
115661215
10
Decimal
20406925
12
Duodecimal
6a01691
16
Hexadecimal
137628d
20
Vigesimal
67ah65
36
Base36
c5e31
md5
3498790798567e9ed49294593d5cc305
sha1
91739988f63f7850416e6dfb2efd02c6066a5d66
sha256
a721d3faf325b667647890b2594cf0b1f2be522ab4639f0f84bf418b8c3eda60
sha512
1844f0e87db995ec36b014ba25606f5345714eb04bc894c2d7fbcf4019ea652eeefe04a9593439dbc6c2e329dfc062685e6f0638c259ae04d93e7744d0c4e595
ripemd-160
6550d5e74ffa81ae043ca5d2d456861c466de1fe
Diameter
40813850
Circumference
128220491.32472
Area
1.3082929749633E+15
Volume
3.5597648824138E+22
Surface area
5.2331718998533E+15
Circumference
128220491.32472
Perimeter
81627700
Area
416442587955625
Diagonal
28859750.101331
Surface area
2498655527733750
Volume
8.4983126592163E+21
Space diagonal
35345830.926248
Perimeter
61220775
Area
1.8032493019365E+14
Altitude
17672915.463124
Surface area
1.8032493019365E+14
Volume
1.0015357516626E+21
Height
9619916.7004435