20123221 is an odd 8-digits composite number following 20123220
and preceding 20123222 . In scientific notation, it is written as 2.0123221 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 20090700 positive integers (up to 20123221) that are relatively prime to 20123221.
20123221 has 4 divisors, whose sum is 20155744
The reverse of 20123221 is 12232102
Previous prime number is 631
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred twenty-three thousand two hundred twenty-one
Scientific notation
2.0123221 × 10^7
Engineering notation
2.0123221 × 10^6
Prime Factorization
631 × 31891
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123221
Product of the distinct prime numbers
The prime factorization of 20123221 is 631 × 31891.
Since it has a total of 2 prime factors.
8 , 6 , 37 , 4 , 973 , 218 , 4201 , 5982 , 75614 , 23197 , 744659 , 146564 , 1820213 , 4576778 , 18972380 , 28384694 , 679161747 , 102221686 , 2799027893 , 3743290709
n×2
40246442
n×3
60369663
n×4
80492884
n×5
100616105
n÷2
10061610.5
n÷3
6707740.3333333
n÷3
5030805.25
n÷5
4024644.2
n2
404944023414841
n3
8.148778075806E+21
n4
1.639796620994E+29
n5
3.2997989799315E+36
2 √n
4485.8913272615
3 √n
271.998076147
4 √n
66.976796931934
5 √n
28.889465005231
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
-20123220
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 20123221 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111001010101
3
Ternary
1101212100212111
4
Quaternary
1030300321111
5
Quinary
20122420341
6
Senary
1555151021
8
Octal
114607125
10
Decimal
20123221
12
Duodecimal
68a5471
16
Hexadecimal
1330e55
20
Vigesimal
65f811
36
Base36
bzb6d
md5
4568388ef572aefd0a36a3940d337abd
sha1
f5a7f08dae9075ee574bd4afed09cc89f44143e8
sha256
6a34cc82363ee6bff443cd261b0eb62cc5f58d0affc138b0dcd83d2c80f25405
sha512
c4e86c1307a6a37273e020f25c5e5ba8ed9029356c19c7ac7146d0ebcd453d343d3a942faca5a7e7960293ac93aec8784f3bfd0997883a9da89e265be7e416de
ripemd-160
f1c000c77ae3e4806a10737110f8adc8dedd9753
Diameter
40246442
Circumference
126437926.52033
Area
1.2721691690752E+15
Volume
3.4133521784914E+22
Surface area
5.0886766763006E+15
Circumference
126437926.52033
Perimeter
80492884
Area
404944023414841
Diagonal
28458532.056831
Surface area
2429664140489046
Volume
8.148778075806E+21
Space diagonal
34854441.183937
Perimeter
60369663
Area
1.7534590569397E+14
Altitude
17427220.591968
Surface area
1.7534590569397E+14
Volume
9.6034270596445E+20
Height
9486177.352277