20687225 is an odd 8-digits composite number following 20687224
and preceding 20687226 . In scientific notation, it is written as 2.0687225 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 14976000 positive integers (up to 20687225) that are relatively prime to 20687225.
20687225 has 24 divisors, whose sum is 28170072
The reverse of 20687225 is 52278602
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred eighty-seven thousand two hundred twenty-five
Scientific notation
2.0687225 × 10^7
Engineering notation
2.0687225 × 10^6
Prime Factorization
5 × 13 × 5 × 53 × 1201
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4137445
Product of the distinct prime numbers
The prime factorization of 20687225 is 5 × 13 × 5 × 53 × 1201.
Since it has a total of 5 prime factors.
2 , 5 , 19 , 28 , 643 , 160 , 1346 , 4859 , 82577 , 70778 , 398 , 715367 , 7725027 , 1165779 , 73748899 , 95120003 , 439463453 , 911102106 , 7281809529 , 3075786208
n×2
41374450
n×3
62061675
n×4
82748900
n×5
103436125
n÷2
10343612.5
n÷3
6895741.6666667
n÷3
5171806.25
n÷5
4137445
n2
427961278200625
n3
8.8533312534239E+21
n4
1.8315085563911E+29
n5
3.7888829595488E+36
2 √n
4548.3211188306
3 √n
274.51584231999
4 √n
67.441241972776
5 √n
29.049619456046
1 , 5 , 13 , 25 , 53 , 65 , 265 , 325 , 689 , 1201 , 1325 , 3445 , 6005 , 15613 , 17225 , 30025 , 63653 , 78065 , 318265 , 390325 , 827489 , 1591325 , 4137445 , 20687225
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
-20687224
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 20687225 can be divided by 24 positive divisors.
The sum of these divisors (counting 20687225) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010100101111001
3
Ternary
1102221000112112
4
Quaternary
1032322211321
5
Quinary
20243442400
6
Senary
2015222105
8
Octal
116724571
10
Decimal
20687225
12
Duodecimal
6b17935
16
Hexadecimal
13ba979
20
Vigesimal
695i15
36
Base36
cbed5
md5
7e6eeb2754e66c2a5c6692890a591c8a
sha1
a30120a7decb1d11f564fd78b615bf19cc3fe837
sha256
fde54ddedec2f50da2c9344c25b42d7d6eaedece3c0d28edbdc980387cb32d4d
sha512
790153a897409efcf05aaeef17f0f3f333527ae8ea04546e50390285787724c3fa7daa75a9d536282a5eb36b1d646ed35478f2d2e3ad9590096bcf274fe5b485
ripemd-160
11d8c12849c6c9c5bd028aef656526f059a56f16
Diameter
41374450
Circumference
129981668.16632
Area
1.344480007616E+15
Volume
3.7084747234071E+22
Surface area
5.3779200304639E+15
Circumference
129981668.16632
Perimeter
82748900
Area
427961278200625
Diagonal
29256154.162864
Surface area
2567767669203750
Volume
8.8533312534239E+21
Space diagonal
35831324.767609
Perimeter
62061675
Area
1.853126693789E+14
Altitude
17915662.383805
Surface area
1.853126693789E+14
Volume
1.0433750942311E+21
Height
9752051.3876213