20121293 is an odd 8-digits composite number following 20121292
and preceding 20121294 . In scientific notation, it is written as 2.0121293 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20102940 positive integers (up to 20121293) that are relatively prime to 20121293.
20121293 has 4 divisors, whose sum is 20139648
The reverse of 20121293 is 39212102
Previous prime number is 1171
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand two hundred ninety-three
Scientific notation
2.0121293 × 10^7
Engineering notation
2.0121293 × 10^6
Prime Factorization
1171 × 17183
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121293
Product of the distinct prime numbers
The prime factorization of 20121293 is 1171 × 17183.
Since it has a total of 2 prime factors.
6 , 10 , 69 , 80 , 216 , 973 , 9993 , 1453 , 12651 , 20455 , 195372 , 788141 , 3023447 , 8657639 , 48558703 , 55277019 , 541381549 , 718919543 , 3889437452 , 3935760616
n×2
40242586
n×3
60363879
n×4
80485172
n×5
100606465
n÷2
10060646.5
n÷3
6707097.6666667
n÷3
5030323.25
n÷5
4024258.6
n2
404866431991849
n3
8.1464361039726E+21
n4
1.6391682775381E+29
n5
3.298218518865E+36
2 √n
4485.6764261369
3 √n
271.98938918382
4 √n
66.975192617393
5 √n
28.888911405752
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
-20121292
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 20121293 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121293) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011011001101
3
Ternary
1101212021020002
4
Quaternary
1030300123031
5
Quinary
20122340133
6
Senary
1555134045
8
Octal
114603315
10
Decimal
20121293
12
Duodecimal
68a4325
16
Hexadecimal
13306cd
20
Vigesimal
65f34d
36
Base36
bz9ot
md5
32c637015f963c6e9c1e3b63dffa1ead
sha1
c958c034222f9a3e8af0833ab350a6444050842b
sha256
6a7dbd3e60706be1eb271999d68b98ab0c0ed1d93d7fc957efb1c55f0cee5ca3
sha512
710f60fddc802ec5a9853c9a577f6c55626047e0a64417ecebd1f2d6689f0b4070745d71e8373a827eddd601c4e7585354427f99d0f7729505cb418098bb4a58
ripemd-160
1230ee0644c797582e8b3172e7be964a74c10580
Diameter
40242586
Circumference
126425812.53906
Area
1.2719254084307E+15
Volume
3.4123711756238E+22
Surface area
5.0877016337228E+15
Circumference
126425812.53906
Perimeter
80485172
Area
404866431991849
Diagonal
28455805.453083
Surface area
2429198591951094
Volume
8.1464361039726E+21
Space diagonal
34851101.78998
Perimeter
60363879
Area
1.7531230762225E+14
Altitude
17425550.89499
Surface area
1.7531230762225E+14
Volume
9.6006670193699E+20
Height
9485268.4843609