21493883 is an odd 8-digits composite number following 21493882
and preceding 21493884 . In scientific notation, it is written as 2.1493883 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 20277000 positive integers (up to 21493883) that are relatively prime to 21493883.
21493883 has 8 divisors, whose sum is 22720320
The reverse of 21493883 is 38839412
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-three thousand eight hundred eighty-three
Scientific notation
2.1493883 × 10^7
Engineering notation
2.1493883 × 10^6
Prime Factorization
19 × 251 × 4507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21493883
Product of the distinct prime numbers
The prime factorization of 21493883 is 19 × 251 × 4507.
Since it has a total of 3 prime factors.
3 , 9 , 68 , 88 , 509 , 529 , 1736 , 8860 , 14455 , 65326 , 242078 , 199672 , 3922422 , 4449617 , 38152046 , 29635805 , 272248433 , 442496075 , 9688399280 , 4537255031
n×2
42987766
n×3
64481649
n×4
85975532
n×5
107469415
n÷2
10746941.5
n÷3
7164627.6666667
n÷3
5373470.75
n÷5
4298776.6
n2
461987006417689
n3
9.9298946634621E+21
n4
2.1343199409878E+29
n5
4.5874823096158E+36
2 √n
4636.1495877506
3 √n
278.03851492671
4 √n
68.08927659882
5 √n
29.272713088682
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
-21493882
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 21493883 can be divided by 8 positive divisors.
The sum of these divisors (counting 21493883) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111100001111011
3
Ternary
1111110000001202
4
Quaternary
1101333201323
5
Quinary
21000301013
6
Senary
2044404415
8
Octal
121774173
10
Decimal
21493883
12
Duodecimal
724670b
16
Hexadecimal
147f87b
20
Vigesimal
6e6ee3
36
Base36
csosb
md5
131cad7f286d28ef7588c5df7c6a286a
sha1
d5381faf9ea0ba5d9434e0a843e25543865aabc2
sha256
c25e29a6433e4a4c93410ca6e046bc1a264d274ae0b2a2e0616f7ad620acf955
sha512
27939c9bef91af17064622f3e7ea457149f57e80ad6c354cbb99abe0edf00c3f211ec79650556d6f975b7d56eb4ad28bc481a52ff47d7be7c7ee826eb797a412
ripemd-160
068266736ba31238dca51d4b10eb5591eba63961
Diameter
42987766
Circumference
135050049.85984
Area
1.4513749854158E+15
Volume
4.1594245500871E+22
Surface area
5.805499941663E+15
Circumference
135050049.85984
Perimeter
85975532
Area
461987006417689
Diagonal
30396940.846661
Surface area
2771922038506134
Volume
9.9298946634621E+21
Space diagonal
37228497.407941
Perimeter
64481649
Area
2.0004624188802E+14
Altitude
18614248.70397
Surface area
2.0004624188802E+14
Volume
1.1702493088337E+21
Height
10132313.615554