20155239 is an odd 8-digits composite number following 20155238
and preceding 20155240 . In scientific notation, it is written as 2.0155239 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 12000960 positive integers (up to 20155239) that are relatively prime to 20155239.
20155239 has 24 divisors, whose sum is 32369792
The reverse of 20155239 is 93255102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-five thousand two hundred thirty-nine
Scientific notation
2.0155239 × 10^7
Engineering notation
2.0155239 × 10^6
Prime Factorization
13 × 3 × 3 × 31 × 5557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6718413
Product of the distinct prime numbers
The prime factorization of 20155239 is 13 × 3 × 3 × 31 × 5557.
Since it has a total of 5 prime factors.
5 , 1 , 79 , 24 , 261 , 85 , 8631 , 324 , 28512 , 196 , 475205 , 353560 , 293829 , 9845107 , 3380796 , 15354160 , 43880932 , 583625547 , 6631088402 , 9076619058
n×2
40310478
n×3
60465717
n×4
80620956
n×5
100776195
n÷2
10077619.5
n÷3
6718413
n÷3
5038809.75
n÷5
4031047.8
n2
406233659147121
n3
8.1877364899548E+21
n4
1.6502578582406E+29
n5
3.3261341544467E+36
2 √n
4489.4586533345
3 √n
272.14225816129
4 √n
67.003422698654
5 √n
28.898652349114
1 , 3 , 9 , 13 , 31 , 39 , 93 , 117 , 279 , 403 , 1209 , 3627 , 5557 , 16671 , 50013 , 72241 , 172267 , 216723 , 516801 , 650169 , 1550403 , 2239471 , 6718413 , 20155239
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
-20155238
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 20155239 can be divided by 24 positive divisors.
The sum of these divisors (counting 20155239) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111000101101100111
3
Ternary
1101220222210100
4
Quaternary
1030320231213
5
Quinary
20124431424
6
Senary
1555555143
8
Octal
114705547
10
Decimal
20155239
12
Duodecimal
68bbab3
16
Hexadecimal
1338b67
20
Vigesimal
65j81j
36
Base36
bzzvr
md5
8deeac9a1b123c63550dd6baede34c59
sha1
a04033e7f492a0b8b37b04edfc411eff4f526bb9
sha256
48457f9658a042b657e8ef66cfee95ca403903f8b41eead071a28a18722f4c12
sha512
fc70fab5722ef69e5647f96f34b13e792cb9f143f81a3ffb3322bc564db6c320abdedf9365c23b121582742ac9e509078bc1e6d6be861a419a53b417f8f934eb
ripemd-160
0cd093af7135dcc80d6de0bae4b43daa65df15a8
Diameter
40310478
Circumference
126639101.54749
Area
1.2762206792175E+15
Volume
3.4296710408495E+22
Surface area
5.10488271687E+15
Circumference
126639101.54749
Perimeter
80620956
Area
406233659147121
Diagonal
28503812.346671
Surface area
2437401954882726
Volume
8.1877364899548E+21
Space diagonal
34909897.986694
Perimeter
60465717
Area
1.7590433434686E+14
Altitude
17454948.993347
Surface area
1.7590433434686E+14
Volume
9.6493399910259E+20
Height
9501270.7822237