20202391 is an odd 8-digits composite number following 20202390
and preceding 20202392 . In scientific notation, it is written as 2.0202391 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 18365800 positive integers (up to 20202391) that are relatively prime to 20202391.
20202391 has 4 divisors, whose sum is 22038984
The reverse of 20202391 is 19320202
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred two thousand three hundred ninety-one
Scientific notation
2.0202391 × 10^7
Engineering notation
2.0202391 × 10^6
Prime Factorization
11 × 1836581
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20202391
Product of the distinct prime numbers
The prime factorization of 20202391 is 11 × 1836581.
Since it has a total of 2 prime factors.
2 , 4 , 80 , 87 , 36 , 934 , 1579 , 2838 , 24662 , 9203 , 450885 , 753577 , 4341275 , 8670375 , 34310001 , 43072843 , 179695151 , 999656715 , 4648763911 , 7538068873
n×2
40404782
n×3
60607173
n×4
80809564
n×5
101011955
n÷2
10101195.5
n÷3
6734130.3333333
n÷3
5050597.75
n÷5
4040478.2
n2
408136602116881
n3
8.2453352173767E+21
n4
1.6657548598751E+29
n5
3.3652230989348E+36
2 √n
4494.7069982369
3 √n
272.35431316977
4 √n
67.042576011345
5 √n
28.912161054478
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
-20202390
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 20202391 can be divided by 4 positive divisors.
The sum of these divisors (counting 20202391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000100001110010111
3
Ternary
1102000101110201
4
Quaternary
1031010032113
5
Quinary
20132434031
6
Senary
2001001331
8
Octal
115041627
10
Decimal
20202391
12
Duodecimal
6923247
16
Hexadecimal
1344397
20
Vigesimal
6655jb
36
Base36
c109j
md5
6be7ac6df5357ef9b206d321336871f3
sha1
6005dd65d4c5eec1e88a334e848ef12e8d263f2b
sha256
c83e7a0d1c40aebab1640db31841f20c34a971a89cce09949f95b883cede419f
sha512
5b99317275eac404ed634c24bf8a99d409bc51388776b05fe59e2624597ff94799776f8e8250c32c17b085ddcd9f2ab9faf220d63a5438f87a0d655f307a4547
ripemd-160
87c311907978a183ff89e0e8337acd188050078e
Diameter
40404782
Circumference
126935366.3011
Area
1.2821989508715E+15
Volume
3.4537979393728E+22
Surface area
5.128795803486E+15
Circumference
126935366.3011
Perimeter
80809564
Area
408136602116881
Diagonal
28570495.344564
Surface area
2448819612701286
Volume
8.2453352173767E+21
Space diagonal
34991567.646372
Perimeter
60607173
Area
1.7672833282374E+14
Altitude
17495783.823186
Surface area
1.7672833282374E+14
Volume
9.7172207422722E+20
Height
9523498.4481881