20859989 is an odd 8-digits composite number following 20859988
and preceding 20859990 . In scientific notation, it is written as 2.0859989 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 20843424 positive integers (up to 20859989) that are relatively prime to 20859989.
20859989 has 4 divisors, whose sum is 20876556
The reverse of 20859989 is 98995802
Previous prime number is 15193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty million eight hundred fifty-nine thousand nine hundred eighty-nine
Scientific notation
2.0859989 × 10^7
Engineering notation
2.0859989 × 10^6
Prime Factorization
15193 × 1373
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20859989
Product of the distinct prime numbers
The prime factorization of 20859989 is 15193 × 1373.
Since it has a total of 2 prime factors.
3 , 4 , 6 , 5 , 702 , 448 , 2438 , 647 , 22925 , 61911 , 672210 , 101435 , 7914725 , 9164421 , 43210525 , 28749020 , 825479275 , 467319230 , 7326144616 , 9068044270
n×2
41719978
n×3
62579967
n×4
83439956
n×5
104299945
n÷2
10429994.5
n÷3
6953329.6666667
n÷3
5214997.25
n÷5
4171997.8
n2
435139141080121
n3
9.0769976964008E+21
n4
1.8934607209995E+29
n5
3.9497569811981E+36
2 √n
4567.2736944484
3 √n
275.27790748943
4 √n
67.581607663982
5 √n
29.097978256503
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
-20859988
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 20859989 can be divided by 4 positive divisors.
The sum of these divisors (counting 20859989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111100100110001010101
3
Ternary
1110020210112012
4
Quaternary
1033210301111
5
Quinary
20320004424
6
Senary
2023034005
8
Octal
117446125
10
Decimal
20859989
12
Duodecimal
6b9b905
16
Hexadecimal
13e4c55
20
Vigesimal
6a79j9
36
Base36
cf3o5
md5
24ea27d17590154c979b92e7080209c2
sha1
19941e6cbc20b8fd005bed4b98c0cc1ffb221dd3
sha256
e91ec780b4cb27fd147f1afa02a1d8dae12053977671dc2cc41e4ccaac9532ee
sha512
ed734ce4461c93eca02e3021ce94224c5947f169f9268ee9fa54b58521f7c862c7b7df8bcef91155f7bcbc116f8b63012b080959ed6fb1687ec8cbc09c25aeb5
ripemd-160
d4b8115d00358d704d90b1de9bce502e7ce5dfc8
Diameter
41719978
Circumference
131067176.39273
Area
1.3670299289067E+15
Volume
3.8021639039552E+22
Surface area
5.4681197156267E+15
Circumference
131067176.39273
Perimeter
83439956
Area
435139141080121
Diagonal
29500479.354754
Surface area
2610834846480726
Volume
9.0769976964008E+21
Space diagonal
36130560.793328
Perimeter
62579967
Area
1.8842077517816E+14
Altitude
18065280.396664
Surface area
1.8842077517816E+14
Volume
1.0697344373233E+21
Height
9833493.1182512