20281625 is an odd 8-digits composite number following 20281624
and preceding 20281626 . In scientific notation, it is written as 2.0281625 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 12830400 positive integers (up to 20281625) that are relatively prime to 20281625.
20281625 has 16 divisors, whose sum is 24490752
The reverse of 20281625 is 52618202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million two hundred eighty-one thousand six hundred twenty-five
Scientific notation
2.0281625 × 10^7
Engineering notation
2.0281625 × 10^6
Prime Factorization
65 × 25 × 7 × 1783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20281625
Product of the distinct prime numbers
The prime factorization of 20281625 is 65 × 25 × 7 × 1783.
Since it has a total of 4 prime factors.
1 , 3 , 94 , 18 , 149 , 390 , 5357 , 8728 , 66804 , 77936 , 827977 , 850409 , 6713186 , 7691277 , 44664568 , 21071146 , 402661249 , 760566080 , 4377378403 , 4275973267
n×2
40563250
n×3
60844875
n×4
81126500
n×5
101408125
n÷2
10140812.5
n÷3
6760541.6666667
n÷3
5070406.25
n÷5
4056325
n2
411344312640625
n3
8.3427310948599E+21
n4
1.6920414354179E+29
n5
3.4317349877607E+36
2 √n
4503.5125180241
3 √n
272.70990756438
4 √n
67.108214981656
5 √n
28.934804322245
1 , 7 , 25 , 65 , 175 , 455 , 1625 , 1783 , 11375 , 12481 , 44575 , 115895 , 312025 , 811265 , 2897375 , 20281625
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
-20281624
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 20281625 can be divided by 16 positive divisors.
The sum of these divisors (counting 20281625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101010111100100011001
3
Ternary
1102011102011022
4
Quaternary
1031113210121
5
Quinary
20143003000
6
Senary
2002412225
8
Octal
115274431
10
Decimal
20281625
12
Duodecimal
6961075
16
Hexadecimal
1357919
20
Vigesimal
66f415
36
Base36
c2peh
md5
eca68ae8adcc0f8a5cb5e1991d2840f0
sha1
427cec5d9634811ea66a6e6091ce48ce992bd18a
sha256
d9e3aa3efb14b26aaefef29f2f83d53d70ba6c6d8aa210c6f8f646fb339eed73
sha512
fdc3e8c581db941b0cebb7c59d4c0bba1eb1e7d8cb78fdad7dd657ad82c785d68b94d58fbfc7f56d604278f16e3a4bbb94a0db590412b761069a81377c1330bb
ripemd-160
07585e6d2bfc35f704a70bb43191be729237317a
Diameter
40563250
Circumference
127433208.20573
Area
1.2922762706877E+15
Volume
3.4945950291316E+22
Surface area
5.1691050827509E+15
Circumference
127433208.20573
Perimeter
81126500
Area
411344312640625
Diagonal
28682549.141965
Surface area
2468065875843750
Volume
8.3427310948599E+21
Space diagonal
35128804.960059
Perimeter
60844875
Area
1.7811731222451E+14
Altitude
17564402.48003
Surface area
1.7811731222451E+14
Volume
9.8320028846522E+20
Height
9560849.7139884