20091969 is an odd 8-digits composite number following 20091968
and preceding 20091970 . In scientific notation, it is written as 2.0091969 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 13393188 positive integers (up to 20091969) that are relatively prime to 20091969.
20091969 has 12 divisors, whose sum is 23411024
The reverse of 20091969 is 96919002
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million ninety-one thousand nine hundred sixty-nine
Scientific notation
2.0091969 × 10^7
Engineering notation
2.0091969 × 10^6
Prime Factorization
9 × 27 × 9 × 9187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2232441
Product of the distinct prime numbers
The prime factorization of 20091969 is 9 × 27 × 9 × 9187.
Since it has a total of 4 prime factors.
1 , 10 , 54 , 16 , 69 , 935 , 5276 , 9811 , 78779 , 92415 , 217094 , 935617 , 2970407 , 9429526 , 68752902 , 61038258 , 181721978 , 612554373 , 1256574064 , 9522535898
n×2
40183938
n×3
60275907
n×4
80367876
n×5
100459845
n÷2
10045984.5
n÷3
6697323
n÷3
5022992.25
n÷5
4018393.8
n2
403687218296961
n3
8.1108710757188E+21
n4
1.6296337021634E+29
n5
3.2742549825222E+36
2 √n
4482.4066080622
3 √n
271.85719598036
4 √n
66.950777501551
5 √n
28.880486174778
1 , 9 , 27 , 81 , 243 , 2187 , 9187 , 82683 , 248049 , 744147 , 2232441 , 20091969
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
-20091968
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 20091969 can be divided by 12 positive divisors.
The sum of these divisors (counting 20091969) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101001010001000001
3
Ternary
1101210210000000
4
Quaternary
1030221101001
5
Quinary
20120420334
6
Senary
1554350213
8
Octal
114512101
10
Decimal
20091969
12
Duodecimal
688b369
16
Hexadecimal
1329441
20
Vigesimal
65b9i9
36
Base36
byn29
md5
f4d67046e8f5d9daa062b3d2fd6a1cc5
sha1
900093eca1d159f9ef5841c39b59a0c30941def8
sha256
679af0c72e8677520c06b334fd7b44ddc467b95a76e92dd74eeafa7af66a3ac7
sha512
f9d47ce76f3a8d05d68bdddfa152fbd75ef93c69929da4b58f9edc19c0cd4781001c2c6eaf742539dc42b8c89d60f8503238df5e1a26c5ae4b75153db99d0248
ripemd-160
a0c0a5f820bbf887f8d84bfe427815af2a6e4c4c
Diameter
40183938
Circumference
126241564.41311
Area
1.2682207993498E+15
Volume
3.3974737314256E+22
Surface area
5.0728831973993E+15
Circumference
126241564.41311
Perimeter
80367876
Area
403687218296961
Diagonal
28414335.05458
Surface area
2422123309781766
Volume
8.1108710757188E+21
Space diagonal
34800311.132099
Perimeter
60275907
Area
1.7480169311412E+14
Altitude
17400155.566049
Surface area
1.7480169311412E+14
Volume
9.5587532316176E+20
Height
9471445.0181933