20744981 is an odd 8-digits composite number following 20744980
and preceding 20744982 . In scientific notation, it is written as 2.0744981 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 19468288 positive integers (up to 20744981) that are relatively prime to 20744981.
20744981 has 8 divisors, whose sum is 22028760
The reverse of 20744981 is 18944702
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million seven hundred forty-four thousand nine hundred eighty-one
Scientific notation
2.0744981 × 10^7
Engineering notation
2.0744981 × 10^6
Prime Factorization
17 × 389 × 3137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20744981
Product of the distinct prime numbers
The prime factorization of 20744981 is 17 × 389 × 3137.
Since it has a total of 3 prime factors.
5 , 5 , 84 , 61 , 254 , 107 , 5857 , 1557 , 15392 , 14720 , 744133 , 887888 , 598660 , 471029 , 44395662 , 19984739 , 626706433 , 106288914 , 1473106038 , 5208872850
n×2
41489962
n×3
62234943
n×4
82979924
n×5
103724905
n÷2
10372490.5
n÷3
6914993.6666667
n÷3
5186245.25
n÷5
4148996.2
n2
430354236690361
n3
8.927690463411E+21
n4
1.8520476903734E+29
n5
3.8420694147891E+36
2 √n
4554.665849434
3 √n
274.77107559992
4 √n
67.488264531205
5 √n
29.065821912265
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
-20744980
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 20744981 can be divided by 8 positive divisors.
The sum of these divisors (counting 20744981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001000101100010101
3
Ternary
1110000221202122
4
Quaternary
1033020230111
5
Quinary
20302314411
6
Senary
2020345325
8
Octal
117105425
10
Decimal
20744981
12
Duodecimal
6b45245
16
Hexadecimal
13c8b15
20
Vigesimal
69d291
36
Base36
ccmxh
md5
665bc78afad31e2349232a9088dab5e4
sha1
e1cc7c7c0e36346ac805c4badff45307c3e27022
sha256
09f8597c532c09178852f17f39817191a60ac457de0678b006d0e3ace7bcccef
sha512
40244fc2de111653b12282542f2b7d1994b36d489adf52b55b75a34af61011c67caf1286b3c9b813ae9dc977ab9d9ae78a5f98f316a92f11ff9787def66c481b
ripemd-160
2b03a6eca16be46b5324dac3aa8dd8b6931f518f
Diameter
41489962
Circumference
130344559.81692
Area
1.3519977084277E+15
Volume
3.7396222364501E+22
Surface area
5.4079908337107E+15
Circumference
130344559.81692
Perimeter
82979924
Area
430354236690361
Diagonal
29337833.481372
Surface area
2582125420142166
Volume
8.927690463411E+21
Space diagonal
35931361.094051
Perimeter
62234943
Area
1.8634885080006E+14
Altitude
17965680.547026
Surface area
1.8634885080006E+14
Volume
1.0521384111687E+21
Height
9779277.8271241