20181253 is an odd 8-digits composite number following 20181252
and preceding 20181254 . In scientific notation, it is written as 2.0181253 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19896940 positive integers (up to 20181253) that are relatively prime to 20181253.
20181253 has 4 divisors, whose sum is 20465568
The reverse of 20181253 is 35218102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty-one thousand two hundred fifty-three
Scientific notation
2.0181253 × 10^7
Engineering notation
2.0181253 × 10^6
Prime Factorization
71 × 284243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20181253
Product of the distinct prime numbers
The prime factorization of 20181253 is 71 × 284243.
Since it has a total of 2 prime factors.
2 , 1 , 24 , 60 , 443 , 191 , 7224 , 4260 , 31038 , 56445 , 662887 , 405309 , 9043929 , 8726188 , 16525548 , 33709343 , 157469990 , 732018796 , 1415414335 , 1718105249
n×2
40362506
n×3
60543759
n×4
80725012
n×5
100906265
n÷2
10090626.5
n÷3
6727084.3333333
n÷3
5045313.25
n÷5
4036250.6
n2
407282972650009
n3
8.2194807136419E+21
n4
1.6587941981063E+29
n5
3.3476545386915E+36
2 √n
4492.3549503573
3 √n
272.25929084426
4 √n
67.025032266738
5 √n
28.906108293689
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181252
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181253 can be divided by 4 positive divisors.
The sum of these divisors (counting 20181253) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111000100000101
3
Ternary
1101222022110211
4
Quaternary
1030333010011
5
Quinary
20131300003
6
Senary
2000315421
8
Octal
114770405
10
Decimal
20181253
12
Duodecimal
6912b71
16
Hexadecimal
133f105
20
Vigesimal
662d2d
36
Base36
c0jyd
md5
00e0f3cef11f47787a5d80e7883a6197
sha1
2011d6910bb017b572efd5a6723664532045f1d4
sha256
775269a8aae09ae8337039599aec95a8d2f1b604af7f526486e8b2c4a83997b9
sha512
ef6941eb08006f0e3eebffbb724b592dc8d59f62544afc28a2774d23c76244d897023a95b92c9c7e64000c272536751a414b66f62cac72d500c35d3f0d10346a
ripemd-160
36590d64c1f8d13719592a3f1fc9d34bced9cec6
Diameter
40362506
Circumference
126802552.33007
Area
1.2795171948095E+15
Volume
3.4429680301734E+22
Surface area
5.1180687792379E+15
Circumference
126802552.33007
Perimeter
80725012
Area
407282972650009
Diagonal
28540601.698283
Surface area
2443697835900054
Volume
8.2194807136419E+21
Space diagonal
34954955.556402
Perimeter
60543759
Area
1.7635870042188E+14
Altitude
17477477.778201
Surface area
1.7635870042188E+14
Volume
9.6867509174137E+20
Height
9513533.8994276