21809962 is an even 8-digits composite number following 21809961
and preceding 21809963 . In scientific notation, it is written as 2.1809962 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10904980 positive integers (up to 21809962) that are relatively prime to 21809962.
21809962 has 4 divisors, whose sum is 32714946
The reverse of 21809962 is 26990812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eight hundred nine thousand nine hundred sixty-two
Scientific notation
2.1809962 × 10^7
Engineering notation
2.1809962 × 10^6
Prime Factorization
2 × 10904981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21809962
Product of the distinct prime numbers
The prime factorization of 21809962 is 2 × 10904981.
Since it has a total of 2 prime factors.
3 , 5 , 8 , 44 , 995 , 445 , 6038 , 16 , 97463 , 5994 , 143755 , 420462 , 3417128 , 2158310 , 1893247 , 58463238 , 763287517 , 3360368 , 296456060 , 8399937383
n×2
43619924
n×3
65429886
n×4
87239848
n×5
109049810
n÷2
10904981
n÷3
7269987.3333333
n÷3
5452490.5
n÷5
4361992.4
n2
475674442441444
n3
1.0374441514019E+22
n4
2.2626617519198E+29
n5
4.9348566828224E+36
2 √n
4670.1137031126
3 √n
279.39478974035
4 √n
68.338230172522
5 √n
29.358305255391
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
-21809961
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 21809962 can be divided by 4 positive divisors.
The sum of these divisors (counting 21809962) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011001100101100101010
3
Ternary
1112001001122101
4
Quaternary
1103030230222
5
Quinary
21040404322
6
Senary
2055244014
8
Octal
123145452
10
Decimal
21809962
12
Duodecimal
737960a
16
Hexadecimal
14ccb2a
20
Vigesimal
6g64i2
36
Base36
czgoa
md5
e9b51ce91fb1f82054a99431dc8636b1
sha1
af4de092fe82e1c0d01a51fb597eb1cea6acda72
sha256
ae64195781d1ef03127f7f0a0c83e6628b26e46d0eae1be4307425aae7ef942a
sha512
16bb2f937b90416f953272d91fcc94bb5a547d84044cdb0a8a5ead07a1916af8e585d73088b370d8b61996d935d9c4a7325f26b7eb0775ac0bc3811f74b6cea0
ripemd-160
df55e2db135ac1370ab3fe67737f86cdd91631ea
Diameter
43619924
Circumference
137036032.78855
Area
1.4943753338745E+15
Volume
4.3456358994052E+22
Surface area
5.9775013354978E+15
Circumference
137036032.78855
Perimeter
87239848
Area
475674442441444
Diagonal
30843944.055242
Surface area
2854046654648664
Volume
1.0374441514019E+22
Space diagonal
37775962.295147
Perimeter
65429886
Area
2.0597307554264E+14
Altitude
18887981.147573
Surface area
2.0597307554264E+14
Volume
1.2226396575977E+21
Height
10281314.685081