20030921 is an odd 8-digits composite number following 20030920
and preceding 20030922 . In scientific notation, it is written as 2.0030921 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 18976644 positive integers (up to 20030921) that are relatively prime to 20030921.
20030921 has 4 divisors, whose sum is 21085200
The reverse of 20030921 is 12903002
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million thirty thousand nine hundred twenty-one
Scientific notation
2.0030921 × 10^7
Engineering notation
2.0030921 × 10^6
Prime Factorization
19 × 1054259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20030921
Product of the distinct prime numbers
The prime factorization of 20030921 is 19 × 1054259.
Since it has a total of 2 prime factors.
7 , 8 , 77 , 60 , 651 , 115 , 6121 , 8633 , 12273 , 46555 , 553204 , 595858 , 1185149 , 4475161 , 80356671 , 38843222 , 20274919 , 928891867 , 2896749410 , 3401687897
n×2
40061842
n×3
60092763
n×4
80123684
n×5
100154605
n÷2
10015460.5
n÷3
6676973.6666667
n÷3
5007730.25
n÷5
4006184.2
n2
401237796108241
n3
8.0371625960583E+21
n4
1.609917690258E+29
n5
3.224813407006E+36
2 √n
4475.5916927262
3 √n
271.58157714219
4 √n
66.899863174197
5 √n
28.862914550506
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
-20030920
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 20030921 can be divided by 4 positive divisors.
The sum of these divisors (counting 20030921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011010010111001001
3
Ternary
1101200200020222
4
Quaternary
1030122113021
5
Quinary
20111442141
6
Senary
1553155425
8
Octal
114322711
10
Decimal
20030921
12
Duodecimal
685bb75
16
Hexadecimal
131a5c9
20
Vigesimal
653h61
36
Base36
bxbyh
md5
b0b1c5b6e184ba373b08f4dd4752457e
sha1
b32588c9771c6a5acd90bffb992dfda9bfbd9ffe
sha256
8fb5cb0a8cd11c0ba6d6ac863563ed43901a0951e9ce2684d84b5c1157a948a6
sha512
942610945e07869affa0e754dbd2d3faa11d9e79d30ac867d8e68ec4e2ae6456afc84f43a5b87990760232fd2bff4c5078fb80cd149fd95475fa2a6506e19470
ripemd-160
92c3a4b6b62986af4cd2d0b64e7076cb8db559d3
Diameter
40061842
Circumference
125857988.51648
Area
1.2605257125962E+15
Volume
3.3665987956644E+22
Surface area
5.0421028503848E+15
Circumference
125857988.51648
Perimeter
80123684
Area
401237796108241
Diagonal
28328000.145024
Surface area
2407426776649446
Volume
8.0371625960583E+21
Space diagonal
34694572.894398
Perimeter
60092763
Area
1.7374106219411E+14
Altitude
17347286.447199
Surface area
1.7374106219411E+14
Volume
9.4718869552861E+20
Height
9442666.715008