18219825 is an odd 8-digits composite number following 18219824
and preceding 18219826 . In scientific notation, it is written as 1.8219825 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 8968320 positive integers (up to 18219825) that are relatively prime to 18219825.
18219825 has 24 divisors, whose sum is 27038200
The reverse of 18219825 is 52891281
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million two hundred nineteen thousand eight hundred twenty-five
Scientific notation
1.8219825 × 10^7
Engineering notation
1.8219825 × 10^6
Prime Factorization
9 × 5 × 5 × 13 × 6229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3643965
Product of the distinct prime numbers
The prime factorization of 18219825 is 9 × 5 × 5 × 13 × 6229.
Since it has a total of 5 prime factors.
9 , 5 , 59 , 77 , 993 , 762 , 872 , 18 , 10828 , 78719 , 953983 , 269717 , 7691046 , 1527321 , 94008990 , 19147547 , 241627227 , 694819624 , 2095023701 , 7424238758
n×2
36439650
n×3
54659475
n×4
72879300
n×5
91099125
n÷2
9109912.5
n÷3
6073275
n÷3
4554956.25
n÷5
3643965
n2
331962023030625
n3
6.048289966264E+21
n4
1.1019878473459E+29
n5
2.0078025730768E+36
2 √n
4268.4686949772
3 √n
263.13668578196
4 √n
65.333518923881
5 √n
28.321016710739
1 , 5 , 9 , 13 , 25 , 45 , 65 , 117 , 225 , 325 , 585 , 2925 , 6229 , 31145 , 56061 , 80977 , 155725 , 280305 , 404885 , 728793 , 1401525 , 2024425 , 3643965 , 18219825
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
-18219824
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 18219825 can be divided by 24 positive divisors.
The sum of these divisors (counting 18219825) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101100000001100110001
3
Ternary
1021021122220100
4
Quaternary
1011200030301
5
Quinary
14131013300
6
Senary
1450303013
8
Octal
105401461
10
Decimal
18219825
12
Duodecimal
6127a69
16
Hexadecimal
1160331
20
Vigesimal
5dh9b5
36
Base36
auii9
md5
488a97dd604b15b83f6e4010b5a611e2
sha1
2e929c51d5b5aa1127843a05051cedd832e0c7b7
sha256
a67f1666cd0a250e0246290e76677052ce75820f306644048a2cd134343aa0cb
sha512
a8e0428a58136a6f25a2f97cc38b846aedc38745d675856bc0a36574d1aa043e4de6091a728daf913b9e789dae1172590d7a6c524a864cd1ecc5da2d15124d95
ripemd-160
7bb5bae384bfcfc845894dac5c38ec5d547c06ac
Diameter
36439650
Circumference
114478536.73938
Area
1.0428894528238E+15
Volume
2.5335017766394E+22
Surface area
4.1715578112953E+15
Circumference
114478536.73938
Perimeter
72879300
Area
331962023030625
Diagonal
25766723.619064
Surface area
1991772138183750
Volume
6.048289966264E+21
Space diagonal
31557662.605014
Perimeter
54659475
Area
1.437437725181E+14
Altitude
15778831.302507
Surface area
1.437437725181E+14
Volume
7.1279780828797E+20
Height
8588907.8730215