20185825 is an odd 8-digits composite number following 20185824
and preceding 20185826 . In scientific notation, it is written as 2.0185825 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 14678400 positive integers (up to 20185825) that are relatively prime to 20185825.
20185825 has 12 divisors, whose sum is 25241068
The reverse of 20185825 is 52858102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-five thousand eight hundred twenty-five
Scientific notation
2.0185825 × 10^7
Engineering notation
2.0185825 × 10^6
Prime Factorization
121 × 5 × 5 × 6673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4037165
Product of the distinct prime numbers
The prime factorization of 20185825 is 121 × 5 × 5 × 6673.
Since it has a total of 4 prime factors.
2 , 6 , 83 , 7 , 234 , 560 , 4643 , 2130 , 89896 , 67816 , 316094 , 863375 , 5628539 , 6901321 , 76837318 , 26346167 , 173685951 , 87319844 , 2487573965 , 4604059435
n×2
40371650
n×3
60557475
n×4
80743300
n×5
100929125
n÷2
10092912.5
n÷3
6728608.3333333
n÷3
5046456.25
n÷5
4037165
n2
407467530930625
n3
8.2250682725477E+21
n4
1.660297887627E+29
n5
3.3514482607508E+36
2 √n
4492.8637860501
3 √n
272.27984912328
4 √n
67.028828022352
5 √n
28.907417892778
1 , 5 , 25 , 121 , 605 , 3025 , 6673 , 33365 , 166825 , 807433 , 4037165 , 20185825
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
-20185824
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 20185825 can be divided by 12 positive divisors.
The sum of these divisors (counting 20185825) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000001011100001
3
Ternary
1101222112202011
4
Quaternary
1031000023201
5
Quinary
20131421300
6
Senary
2000352521
8
Octal
115001341
10
Decimal
20185825
12
Duodecimal
6915741
16
Hexadecimal
13402e1
20
Vigesimal
6634b5
36
Base36
c0nhd
md5
5b9f047bf8db6b8acef6c443ba570d49
sha1
c79be3263efef36b60830c4663b9003ba263ae67
sha256
d0c0b06f9b5f5ee5c5380c04b8321dc694bcc913d71810c68fdea79716b3044d
sha512
77bee13335558379fa4dd09a3be201a7130dc237d3c26f8e8b2e2e5ff316ec5f67f4c8b688456f3c6445ec20d4a955daf9b194c2f0eab75de07f0331aad0d905
ripemd-160
b97ffc101008323a97cdaa063f5e5b9c6250ef38
Diameter
40371650
Circumference
126831279.0533
Area
1.280097001748E+15
Volume
3.4453085413747E+22
Surface area
5.1203880069921E+15
Circumference
126831279.0533
Perimeter
80743300
Area
407467530930625
Diagonal
28547067.48269
Surface area
2444805185583750
Volume
8.2250682725477E+21
Space diagonal
34962874.492694
Perimeter
60557475
Area
1.7643861650162E+14
Altitude
17481437.246347
Surface area
1.7643861650162E+14
Volume
9.6933359187347E+20
Height
9515689.1608966