20123811 is an odd 8-digits composite number following 20123810
and preceding 20123812 . In scientific notation, it is written as 2.0123811 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 13289856 positive integers (up to 20123811) that are relatively prime to 20123811.
20123811 has 4 divisors, whose sum is 20145672
The reverse of 20123811 is 11832102
Previous prime number is 963
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-three thousand eight hundred eleven
Scientific notation
2.0123811 × 10^7
Engineering notation
2.0123811 × 10^6
Prime Factorization
963 × 20897
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123811
Product of the distinct prime numbers
The prime factorization of 20123811 is 963 × 20897.
Since it has a total of 2 prime factors.
5 , 7 , 21 , 21 , 90 , 815 , 944 , 1303 , 35965 , 23500 , 416960 , 973371 , 8883205 , 5369720 , 43960538 , 68195219 , 895674491 , 284922762 , 7613248214 , 6715997241
n×2
40247622
n×3
60371433
n×4
80495244
n×5
100619055
n÷2
10061905.5
n÷3
6707937
n÷3
5030952.75
n÷5
4024762.2
n2
404967769163721
n3
8.1494948477423E+21
n4
1.6399889406144E+29
n5
3.3002827483015E+36
2 √n
4485.9570885152
3 √n
272.00073439104
4 √n
66.977287855774
5 √n
28.88963440738
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
-20123810
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 20123811 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123811) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001000010100011
3
Ternary
1101212101200100
4
Quaternary
1030301002203
5
Quinary
20122430221
6
Senary
1555153443
8
Octal
114610243
10
Decimal
20123811
12
Duodecimal
68a5883
16
Hexadecimal
13310a3
20
Vigesimal
65f9ab
36
Base36
bzbmr
md5
977a8e46c23642cdc662a66a78415f5f
sha1
5988c8a0d05308372180837896b550d40f2c198c
sha256
41512ecf5a61cfd4dfbd6e71b7459c5373061d9f2b10688e0ce224ef97e00aa9
sha512
6f93995ef6d4adbe1072ecc88c0c80f337cd928b72dde6acc242285a43dd011749cae2e29f2462a2dbc1faf1188b2ccba0aea590c8432661f4997163605becd6
ripemd-160
f37d11ac0ae8aa8de4df75cadb8a5690ae871bbf
Diameter
40247622
Circumference
126441633.59966
Area
1.2722437685454E+15
Volume
3.413652419218E+22
Surface area
5.0889750741816E+15
Circumference
126441633.59966
Perimeter
80495244
Area
404967769163721
Diagonal
28459366.442833
Surface area
2429806614982326
Volume
8.1494948477423E+21
Space diagonal
34855463.093913
Perimeter
60371433
Area
1.7535618790485E+14
Altitude
17427731.546957
Surface area
1.7535618790485E+14
Volume
9.6042717834724E+20
Height
9486455.4809443