21788049 is an odd 8-digits composite number following 21788048
and preceding 21788050 . In scientific notation, it is written as 2.1788049 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 14485680 positive integers (up to 21788049) that are relatively prime to 21788049.
21788049 has 8 divisors, whose sum is 29130112
The reverse of 21788049 is 94088712
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million seven hundred eighty-eight thousand forty-nine
Scientific notation
2.1788049 × 10^7
Engineering notation
2.1788049 × 10^6
Prime Factorization
3 × 373 × 19471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21788049
Product of the distinct prime numbers
The prime factorization of 21788049 is 3 × 373 × 19471.
Since it has a total of 3 prime factors.
10 , 4 , 45 , 3 , 993 , 887 , 2296 , 3444 , 91816 , 47465 , 827554 , 341347 , 2781042 , 8998783 , 14252812 , 27643934 , 673032246 , 609468107 , 2005030513 , 7840712522
n×2
43576098
n×3
65364147
n×4
87152196
n×5
108940245
n÷2
10894024.5
n÷3
7262683
n÷3
5447012.25
n÷5
4357609.8
n2
474719079226401
n3
1.034320255942E+22
n4
2.2535820418156E+29
n5
4.9101155952599E+36
2 √n
4667.7670250346
3 √n
279.30118680168
4 √n
68.321058430286
5 √n
29.35240348219
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
-21788048
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 21788049 can be divided by 8 positive divisors.
The sum of these divisors (counting 21788049) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011000111010110010001
3
Ternary
1111222221120210
4
Quaternary
1103013112101
5
Quinary
21034204144
6
Senary
2054554333
8
Octal
123072621
10
Decimal
21788049
12
Duodecimal
73689a9
16
Hexadecimal
14c7591
20
Vigesimal
6g3a29
36
Base36
cyzrl
md5
ceefb1a9525b8df0787ba94e80f3234f
sha1
27b0ff7891bbfb5b03cdc63c4c8012025b9295c5
sha256
a687623bc1a417797dd7207c897d88c29d42fa3c87a64ba991fe90c4970e8cba
sha512
74efdcde9389f26c964984895db3f3afb253a8cc36a48b2aef7c10fa4e813f30f508f3eb86fd5cecf6719d4ad2f4516f14738678d76c9f89667b0586114a4766
ripemd-160
8945913fab3af419fe3e0ef1a04938d1406d524c
Diameter
43576098
Circumference
136898349.34891
Area
1.4913739718166E+15
Volume
4.3325505567019E+22
Surface area
5.9654958872663E+15
Circumference
136898349.34891
Perimeter
87152196
Area
474719079226401
Diagonal
30812954.39345
Surface area
2848314475358406
Volume
1.034320255942E+22
Space diagonal
37738007.8658
Perimeter
65364147
Area
2.0555939113561E+14
Altitude
18869003.9329
Surface area
2.0555939113561E+14
Volume
1.218958111492E+21
Height
10270984.797817