20237581 is an odd 8-digits composite number following 20237580
and preceding 20237582 . In scientific notation, it is written as 2.0237581 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 16011216 positive integers (up to 20237581) that are relatively prime to 20237581.
20237581 has 8 divisors, whose sum is 22035104
The reverse of 20237581 is 18573202
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred thirty-seven thousand five hundred eighty-one
Scientific notation
2.0237581 × 10^7
Engineering notation
2.0237581 × 10^6
Prime Factorization
13 × 91 × 17107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20237581
Product of the distinct prime numbers
The prime factorization of 20237581 is 13 × 91 × 17107.
Since it has a total of 3 prime factors.
2 , 4 , 62 , 83 , 294 , 655 , 3588 , 3154 , 2190 , 65286 , 478565 , 712966 , 3219075 , 875110 , 67933733 , 19171984 , 193587634 , 859264651 , 9591822975 , 860811599
n×2
40475162
n×3
60712743
n×4
80950324
n×5
101187905
n÷2
10118790.5
n÷3
6745860.3333333
n÷3
5059395.25
n÷5
4047516.2
n2
409559684731561
n3
8.2884972940894E+21
n4
1.6773913535742E+29
n5
3.3946343386657E+36
2 √n
4498.6198994803
3 √n
272.5123569853
4 √n
67.071751874245
5 √n
28.922226306672
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20237580
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20237581 can be divided by 8 positive divisors.
The sum of these divisors (counting 20237581) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001100110100001101
3
Ternary
1102002011202001
4
Quaternary
1031030310031
5
Quinary
20140100311
6
Senary
2001432301
8
Octal
115146415
10
Decimal
20237581
12
Duodecimal
693b691
16
Hexadecimal
134cd0d
20
Vigesimal
669dj1
36
Base36
c1rf1
md5
ab8685e8b1a4318f7d6360ed63c423e0
sha1
0b3cf9cf8280e20a05652955a32dddb149e11b50
sha256
96b159b7e94039afc94c84c8f23e922dd0cbf16ebe3e0af7a272c4306349a3ef
sha512
cce949b54c3fed04b86e88a36d64de6d1ea75082ef80ce6678c56338ad86f054551331ec6604bfae7b0d70802f5ff250b3f80132a799306986dfc57cc149af7a
ripemd-160
f40a2e38f65d2cff27b5c403879574bfd2b44a7d
Diameter
40475162
Circumference
127156471.59206
Area
1.2866696967592E+15
Volume
3.471877627788E+22
Surface area
5.1466787870369E+15
Circumference
127156471.59206
Perimeter
80950324
Area
409559684731561
Diagonal
28620261.519824
Surface area
2457358108389366
Volume
8.2884972940894E+21
Space diagonal
35052518.514291
Perimeter
60712743
Area
1.7734454567174E+14
Altitude
17526259.257145
Surface area
1.7734454567174E+14
Volume
9.768087737495E+20
Height
9540087.1732747