20181235 is an odd 8-digits composite number following 20181234
and preceding 20181236 . In scientific notation, it is written as 2.0181235 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 15296512 positive integers (up to 20181235) that are relatively prime to 20181235.
20181235 has 16 divisors, whose sum is 25510464
The reverse of 20181235 is 53218102
Previous prime number is 113
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 thirty-five
Scientific notation
2.0181235 × 10^7
Engineering notation
2.0181235 × 10^6
Prime Factorization
5 × 23 × 113 × 1553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20181235
Product of the distinct prime numbers
The prime factorization of 20181235 is 5 × 23 × 113 × 1553.
Since it has a total of 4 prime factors.
2 , 3 , 57 , 89 , 570 , 168 , 5384 , 626 , 23721 , 66350 , 42499 , 631964 , 5758418 , 3827072 , 73415019 , 18996477 , 669349605 , 70277657 , 8443205575 , 8986169363
n×2
40362470
n×3
60543705
n×4
80724940
n×5
100906175
n÷2
10090617.5
n÷3
6727078.3333333
n÷3
5045308.75
n÷5
4036247
n2
407282246125225
n3
8.219458720381E+21
n4
1.6587882800881E+29
n5
3.3476396095703E+36
2 √n
4492.3529469533
3 √n
272.25920990002
4 √n
67.025017321544
5 √n
28.906103137318
1 , 5 , 23 , 113 , 115 , 565 , 1553 , 2599 , 7765 , 12995 , 35719 , 175489 , 178595 , 877445 , 4036247 , 20181235
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
-20181234
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 20181235 can be divided by 16 positive divisors.
The sum of these divisors (counting 20181235) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111111000011110011
3
Ternary
1101222022110011
4
Quaternary
1030333003303
5
Quinary
20131244420
6
Senary
2000315351
8
Octal
114770363
10
Decimal
20181235
12
Duodecimal
6912b57
16
Hexadecimal
133f0f3
20
Vigesimal
662d1f
36
Base36
c0jxv
md5
2745839d3f7bba5ff94cdc72b06c8a92
sha1
1a84414d187b8d00049fbe91abb56dc24d0bf2ac
sha256
d442fe76ecd53fc37458147b29e5b6efb1d5cad3627a47cd827ac75e43939af9
sha512
1614efe8708433266a77beffd90c322ea19cc4161ba0ea8b76753084eebb82ad24c1cecee47442fe56164b89a0040237af623bef2d7bc114e10b6c3619ea0432
ripemd-160
6f6070a4c93d92cd613c6b82e5f098db3c9aa0e2
Diameter
40362470
Circumference
126802439.23274
Area
1.2795149123646E+15
Volume
3.4429588176578E+22
Surface area
5.1180596494582E+15
Circumference
126802439.23274
Perimeter
80724940
Area
407282246125225
Diagonal
28540576.242439
Surface area
2443693476751350
Volume
8.219458720381E+21
Space diagonal
34954924.379487
Perimeter
60543705
Area
1.7635838582742E+14
Altitude
17477462.189744
Surface area
1.7635838582742E+14
Volume
9.6867249981072E+20
Height
9513525.4141462