21752008 is an even 8-digits composite number following 21752007
and preceding 21752009 . In scientific notation, it is written as 2.1752008 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors.
There are 10876000 positive integers (up to 21752008) that are relatively prime to 21752008.
21752008 has 8 divisors, whose sum is 40785030
The reverse of 21752008 is 80025712
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million seven hundred fifty-two thousand eight
Scientific notation
2.1752008 × 10^7
Engineering notation
2.1752008 × 10^6
Prime Factorization
2 × 2 × 2 × 2719001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5438002
Product of the distinct prime numbers
The prime factorization of 21752008 is 2 × 2 × 2 × 2719001.
Since it has a total of 4 prime factors.
8 , 6 , 69 , 15 , 322 , 109 , 7292 , 4444 , 84632 , 32590 , 282281 , 449665 , 3893816 , 1235714 , 52215111 , 71037154 , 684641363 , 70597192 , 6789579920 , 5735817679
n×2
43504016
n×3
65256024
n×4
87008032
n×5
108760040
n÷2
10876004
n÷3
7250669.3333333
n÷3
5438002
n÷5
4350401.6
n2
473149852032064
n3
1.02919593666E+22
n4
2.2387078247796E+29
n5
4.8696390514269E+36
2 √n
4663.9048017729
3 √n
279.14709851207
4 √n
68.292787333458
5 √n
29.34268631441
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
-21752007
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 21752008 can be divided by 8 positive divisors.
The sum of these divisors (counting 21752008) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010111110100011001000
3
Ternary
1111221010010221
4
Quaternary
1102332203020
5
Quinary
21032031013
6
Senary
2054115424
8
Octal
122764310
10
Decimal
21752008
12
Duodecimal
734bb74
16
Hexadecimal
14be8c8
20
Vigesimal
6fj008
36
Base36
cy7yg
md5
055fc06f89b635570a9c297e151451bc
sha1
a1b9881403aa1fbefb2793111d8abf42bb6908b8
sha256
fa3df1129b294579e399b51045b336ab9125ecec0d33b1818c9717c53def97f5
sha512
b9d3c9e6097e63120e2d540b5ad46697933975f209892f065aab32bcd5d333e1f7a6b78abf306874365b6c5644eb66bb618e6eb80f6db7ddb882484ca9bbc6e6
ripemd-160
a3d2b73a78bed0d27ddbf0079988ed495e565eb6
Diameter
43504016
Circumference
136671897.06725
Area
1.486444099191E+15
Volume
4.3110858582875E+22
Surface area
5.9457763967641E+15
Circumference
136671897.06725
Perimeter
87008032
Area
473149852032064
Diagonal
30761984.722448
Surface area
2838899112192384
Volume
1.02919593666E+22
Space diagonal
37675583.022645
Perimeter
65256024
Area
2.0487989582831E+14
Altitude
18837791.511322
Surface area
2.0487989582831E+14
Volume
1.2129190433032E+21
Height
10253994.907483