20121019 is an odd 8-digits composite number following 20121018
and preceding 20121020 . In scientific notation, it is written as 2.0121019 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 19062000 positive integers (up to 20121019) that are relatively prime to 20121019.
20121019 has 4 divisors, whose sum is 21180040
The reverse of 20121019 is 91012102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty-one thousand nineteen
Scientific notation
2.0121019 × 10^7
Engineering notation
2.0121019 × 10^6
Prime Factorization
19 × 1059001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121019
Product of the distinct prime numbers
The prime factorization of 20121019 is 19 × 1059001.
Since it has a total of 2 prime factors.
10 , 8 , 36 , 44 , 27 , 293 , 7897 , 1601 , 56720 , 96496 , 245127 , 743235 , 6491695 , 5780330 , 27928172 , 35126828 , 851346108 , 88318051 , 5640175249 , 8598946571
n×2
40242038
n×3
60363057
n×4
80484076
n×5
100605095
n÷2
10060509.5
n÷3
6707006.3333333
n÷3
5030254.75
n÷5
4024203.8
n2
404855405598361
n3
8.1461033082973E+21
n4
1.6390789944221E+29
n5
3.2979939589269E+36
2 √n
4485.6458843738
3 √n
271.98815458074
4 √n
66.974964608978
5 √n
28.888832726864
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
-20121018
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 20121019 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121019) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000010110111011
3
Ternary
1101212020211221
4
Quaternary
1030300112323
5
Quinary
20122333034
6
Senary
1555132511
8
Octal
114602673
10
Decimal
20121019
12
Duodecimal
68a4137
16
Hexadecimal
13305bb
20
Vigesimal
65f2aj
36
Base36
bz9h7
md5
9ec6eb16ec4eba9d61413620c33240f3
sha1
02e583c4dd93db2092361a539e12dbec2cd28831
sha256
0f0395ad0e997b3f04016722e6cf74dc9a81704e2e3587e387ff894f7d07c2aa
sha512
212c9e4a9e14de5b0302cd76a744c0cd3f31997aa756150a171923d4718026d647c058eb45b37897107eb8cb02390b94d5ec378aa09b9c6f505e08b7b878ca3d
ripemd-160
e8be965d8fc904788c2a3ab1c48344a3c7d9452d
Diameter
40242038
Circumference
126424090.94628
Area
1.2718907679939E+15
Volume
3.4122317744974E+22
Surface area
5.0875630719757E+15
Circumference
126424090.94628
Perimeter
80484076
Area
404855405598361
Diagonal
28455417.958567
Surface area
2429132433590166
Volume
8.1461033082973E+21
Space diagonal
34850627.208059
Perimeter
60363057
Area
1.7530753305382E+14
Altitude
17425313.604029
Surface area
1.7530753305382E+14
Volume
9.6002748159054E+20
Height
9485139.3195222