20808625 is an odd 8-digits composite number following 20808624
and preceding 20808626 . In scientific notation, it is written as 2.0808625 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 16368000 positive integers (up to 20808625) that are relatively prime to 20808625.
20808625 has 16 divisors, whose sum is 26404560
The reverse of 20808625 is 52680802
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred eight thousand six hundred twenty-five
Scientific notation
2.0808625 × 10^7
Engineering notation
2.0808625 × 10^6
Prime Factorization
25 × 5 × 61 × 2729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20808625
Product of the distinct prime numbers
The prime factorization of 20808625 is 25 × 5 × 61 × 2729.
Since it has a total of 4 prime factors.
7 , 6 , 93 , 86 , 69 , 263 , 1771 , 6733 , 79478 , 87687 , 157292 , 115223 , 2623865 , 2761093 , 40936766 , 32531060 , 983348781 , 717815489 , 8353531551 , 2762349901
n×2
41617250
n×3
62425875
n×4
83234500
n×5
104043125
n÷2
10404312.5
n÷3
6936208.3333333
n÷3
5202156.25
n÷5
4161725
n2
432998874390625
n3
9.0101112026166E+21
n4
1.8748802522355E+29
n5
3.9013680088674E+36
2 √n
4561.6471805698
3 √n
275.05178088296
4 √n
67.53996728286
5 √n
29.083634406209
1 , 5 , 25 , 61 , 125 , 305 , 1525 , 2729 , 7625 , 13645 , 68225 , 166469 , 341125 , 832345 , 4161725 , 20808625
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808625 can be divided by 16 positive divisors.
The sum of these divisors (counting 20808625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000001110110001
3
Ternary
1110011012001211
4
Quaternary
1033120032301
5
Quinary
20311334000
6
Senary
2022000121
8
Octal
117301661
10
Decimal
20808625
12
Duodecimal
6b76041
16
Hexadecimal
13d83b1
20
Vigesimal
6a11b5
36
Base36
ce01d
md5
d22df04c453c41cbe143f517c9cb0cb1
sha1
f2f61ba49ea5e9b379da06260fab2e90ec29730a
sha256
042c507a0ae78d7ddfd3620a4e77cdb74374c82c3b59e6e48a29aa7c9b7b2cee
sha512
ce2f871ec2218f6fef7ae1da1b676b34a578643bab2934db5d13aad8cb47b6c3102d8e57874fdb560f706d952d12ff95b0e0b51fcec0f97adb54199976ec1711
ripemd-160
66b40d72ec91624df0a5e49bd7e476c99bd745ef
Diameter
41617250
Circumference
130744446.86261
Area
1.3603060827982E+15
Volume
3.7741465549557E+22
Surface area
5.4412243311929E+15
Circumference
130744446.86261
Perimeter
83234500
Area
432998874390625
Diagonal
29427839.689336
Surface area
2597993246343750
Volume
9.0101112026166E+21
Space diagonal
36041595.735648
Perimeter
62425875
Area
1.8749401251617E+14
Altitude
18020797.867824
Surface area
1.8749401251617E+14
Volume
1.0618517884358E+21
Height
9809279.8964453