20155838 is an even 8-digits composite number following 20155837
and preceding 20155839 . In scientific notation, it is written as 2.0155838 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10077918 positive integers (up to 20155838) that are relatively prime to 20155838.
20155838 has 4 divisors, whose sum is 30233760
The reverse of 20155838 is 83855102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred fifty-five thousand eight hundred thirty-eight
Scientific notation
2.0155838 × 10^7
Engineering notation
2.0155838 × 10^6
Prime Factorization
2 × 10077919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20155838
Product of the distinct prime numbers
The prime factorization of 20155838 is 2 × 10077919.
Since it has a total of 2 prime factors.
8 , 6 , 99 , 95 , 755 , 683 , 2664 , 2694 , 48080 , 10295 , 177265 , 589605 , 2700908 , 7589504 , 71231107 , 38406563 , 703710988 , 110402368 , 1390035468 , 3418298420
n×2
40311676
n×3
60467514
n×4
80623352
n×5
100779190
n÷2
10077919
n÷3
6718612.6666667
n÷3
5038959.5
n÷5
4031167.6
n2
406257805482244
n3
8.1884665135356E+21
n4
1.6504540451525E+29
n5
3.3266284360538E+36
2 √n
4489.5253646683
3 √n
272.14495409555
4 √n
67.003920517148
5 √n
28.898824116732
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
-20155837
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 20155838 can be divided by 4 positive divisors.
The sum of these divisors (counting 20155838) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111000110110111110
3
Ternary
1101221000121112
4
Quaternary
1030320312332
5
Quinary
20124441323
6
Senary
2000002022
8
Octal
114706676
10
Decimal
20155838
12
Duodecimal
6900312
16
Hexadecimal
1338dbe
20
Vigesimal
65j9bi
36
Base36
c00ce
md5
eaef532f8ca39cd1777a10a26a0236cf
sha1
697d85bd028dae007d97407888b1b797b80c1e56
sha256
6641506abc55cbb3f3ff1c29421874cd00239392cf8c79eec8bb75336fd57aa6
sha512
45a019fcae45326643e0eede8cb8f4bf3975ae1a4b6615c1f165ad6f22e8a839773fe6cbe8a19a675cb53706f108f2165c5660e3f3025e17d54b5b97ee06332c
ripemd-160
1bb1910928b6434cbb0bcb2855e7e773f149cc6b
Diameter
40311676
Circumference
126642865.17549
Area
1.2762965371665E+15
Volume
3.4299768324119E+22
Surface area
5.1051861486661E+15
Circumference
126642865.17549
Perimeter
80623352
Area
406257805482244
Diagonal
28504659.460595
Surface area
2437546832893464
Volume
8.1884665135356E+21
Space diagonal
34910935.485127
Perimeter
60467514
Area
1.7591479001667E+14
Altitude
17455467.742564
Surface area
1.7591479001667E+14
Volume
9.6502003320667E+20
Height
9501553.1535317