20155844 is an even 8-digits composite number following 20155843
and preceding 20155845 . In scientific notation, it is written as 2.0155844 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9985248 positive integers (up to 20155844) that are relatively prime to 20155844.
20155844 has 12 divisors, whose sum is 35597100
The reverse of 20155844 is 44855102
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred fifty-five thousand eight hundred forty-four
Scientific notation
2.0155844 × 10^7
Engineering notation
2.0155844 × 10^6
Prime Factorization
2 × 2 × 109 × 46229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10077922
Product of the distinct prime numbers
The prime factorization of 20155844 is 2 × 2 × 109 × 46229.
Since it has a total of 4 prime factors.
8 , 2 , 54 , 57 , 895 , 374 , 6082 , 4307 , 83305 , 13760 , 331912 , 316720 , 8984193 , 7142247 , 65209848 , 16119373 , 205952278 , 11721277 , 9696013654 , 3308978660
n×2
40311688
n×3
60467532
n×4
80623376
n×5
100779220
n÷2
10077922
n÷3
6718614.6666667
n÷3
5038961
n÷5
4031168.8
n2
406258047352336
n3
8.1884738261783E+21
n4
1.6504560103853E+29
n5
3.3266333874189E+36
2 √n
4489.5260328903
3 √n
272.14498109963
4 √n
67.003925503588
5 √n
28.898825837255
1 , 2 , 4 , 109 , 218 , 436 , 46229 , 92458 , 184916 , 5038961 , 10077922 , 20155844
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155844 can be divided by 12 positive divisors.
The sum of these divisors (counting 20155844) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111000110111000100
3
Ternary
1101221000121202
4
Quaternary
1030320313010
5
Quinary
20124441334
6
Senary
2000002032
8
Octal
114706704
10
Decimal
20155844
12
Duodecimal
6900318
16
Hexadecimal
1338dc4
20
Vigesimal
65j9c4
36
Base36
c00ck
md5
c5c8c42759b65155f5b3641eb0d70ec3
sha1
a2bab4b4d357335fa3b3c38e358feea122be43a9
sha256
f0bc05bd66ef98ce0aa2a5d258bfa61da63077c42abcbb17f0df60181543a38e
sha512
290ecb28fa920976e899efbba70534947e962f71c1d209bcefdbb51501fcb3a479736dcf96df2f08ad1e06492a54926c5a3a2834e784b0495130e294c8bf1929
ripemd-160
89b85b2086ee1d652e68c75429e96bba8a0a4cb9
Diameter
40311688
Circumference
126642902.8746
Area
1.2762972970238E+15
Volume
3.4299798955245E+22
Surface area
5.1051891880953E+15
Circumference
126642902.8746
Perimeter
80623376
Area
406258047352336
Diagonal
28504667.945876
Surface area
2437548284114016
Volume
8.1884738261783E+21
Space diagonal
34910945.877432
Perimeter
60467532
Area
1.7591489474949E+14
Altitude
17455472.938716
Surface area
1.7591489474949E+14
Volume
9.6502089500987E+20
Height
9501555.9819588