20187844 is an even 8-digits composite number following 20187843
and preceding 20187845 . In scientific notation, it is written as 2.0187844 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors.
There are 10093920 positive integers (up to 20187844) that are relatively prime to 20187844.
20187844 has 6 divisors, whose sum is 35328734
The reverse of 20187844 is 44878102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred eighty-seven thousand eight hundred forty-four
Scientific notation
2.0187844 × 10^7
Engineering notation
2.0187844 × 10^6
Prime Factorization
2 × 2 × 5046961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10093922
Product of the distinct prime numbers
The prime factorization of 20187844 is 2 × 2 × 5046961.
Since it has a total of 3 prime factors.
6 , 5 , 49 , 90 , 723 , 340 , 6115 , 8250 , 24019 , 20657 , 832854 , 973568 , 6134752 , 7183656 , 6291242 , 53413824 , 385698562 , 255776438 , 4589786734 , 6334809080
n×2
40375688
n×3
60563532
n×4
80751376
n×5
100939220
n÷2
10093922
n÷3
6729281.3333333
n÷3
5046961
n÷5
4037568.8
n2
407549045368336
n3
8.2275365502449E+21
n4
1.6609622438064E+29
n5
3.3531246667854E+36
2 √n
4493.0884700838
3 √n
272.28892669278
4 √n
67.030504026777
5 √n
28.907996137579
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187844 can be divided by 6 positive divisors.
The sum of these divisors (counting 20187844) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101000000101011000100
3
Ternary
1101222122111221
4
Quaternary
1031000223010
5
Quinary
20132002334
6
Senary
2000410124
8
Octal
115005304
10
Decimal
20187844
12
Duodecimal
6916944
16
Hexadecimal
1340ac4
20
Vigesimal
6639c4
36
Base36
c0p1g
md5
38da8d13c17dd1f5d4162695ff0157b5
sha1
b2b70b7c584f9a62a26532f29e2b045f5add82c4
sha256
3388622615409e15c735c8ce43f40a338b5523072f4e951c817b874626198e0e
sha512
f4ef67fa1518c5b56fc551c1d210dd6903aef13f273f053e70c481634949122c3d658005ee34abf1416e605f2b41bbb73f32947076ac596071b25919ea81ce92
ripemd-160
652a154e2b951e2743b89c12b81b31235e19773a
Diameter
40375688
Circumference
126843964.80443
Area
1.2803530869067E+15
Volume
3.4463424511188E+22
Surface area
5.1214123476268E+15
Circumference
126843964.80443
Perimeter
80751376
Area
407549045368336
Diagonal
28549922.779872
Surface area
2445294272210016
Volume
8.2275365502449E+21
Space diagonal
34966371.503275
Perimeter
60563532
Area
1.7647391328854E+14
Altitude
17483185.751637
Surface area
1.7647391328854E+14
Volume
9.6962448118972E+20
Height
9516640.9266241