21921444 is an even 8-digits composite number following 21921443
and preceding 21921445 . In scientific notation, it is written as 2.1921444 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 7233600 positive integers (up to 21921444) that are relatively prime to 21921444.
21921444 has 36 divisors, whose sum is 55970460
The reverse of 21921444 is 44412912
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million nine hundred twenty-one thousand four hundred forty-four
Scientific notation
2.1921444 × 10^7
Engineering notation
2.1921444 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 101 × 6029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3653574
Product of the distinct prime numbers
The prime factorization of 21921444 is 2 × 2 × 3 × 3 × 101 × 6029.
Since it has a total of 6 prime factors.
9 , 9 , 25 , 86 , 396 , 461 , 7108 , 3133 , 93452 , 36964 , 86713 , 3832 , 6248461 , 8675676 , 1284455 , 57102728 , 653479741 , 914096006 , 445400837 , 406113866
n×2
43842888
n×3
65764332
n×4
87685776
n×5
109607220
n÷2
10960722
n÷3
7307148
n÷3
5480361
n÷5
4384288.8
n2
480549707045136
n3
1.0534343492206E+22
n4
2.3092802094117E+29
n5
5.0622756790926E+36
2 √n
4682.0341733054
3 √n
279.87002470915
4 √n
68.425391290846
5 √n
29.388257175493
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 101 , 202 , 303 , 404 , 606 , 909 , 1212 , 1818 , 3636 , 6029 , 12058 , 18087 , 24116 , 36174 , 54261 , 72348 , 108522 , 217044 , 608929 , 1217858 , 1826787 , 2435716 , 3653574 , 5480361 , 7307148 , 10960722 , 21921444
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21921443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21921444 can be divided by 36 positive divisors.
The sum of these divisors (counting 21921444) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010011100111111010100100
3
Ternary
1112020201120100
4
Quaternary
1103213322210
5
Quinary
21102441234
6
Senary
2101504100
8
Octal
123477244
10
Decimal
21921444
12
Duodecimal
7412030
16
Hexadecimal
14e7ea4
20
Vigesimal
6h03c4
36
Base36
d1up0
md5
ca4d581c27b426d1cfe173e029c2f3fc
sha1
cbf7d424d7bf0ef7ff381ed5343a02aeab6e820b
sha256
4bf3ad7a0e0af4c148b69c53377f3cba94c13dda70b6fe2c3a7024719910a30c
sha512
3e33f377a6d7623f4c6ae80c3936eb6412b7436f0bd6e94d06eeef5a07ebd8081b1990a56db1e2f9744f0845f381ef118bda51ec726f965cd6c23397f86120a2
ripemd-160
11130cff15f54f50dbfe34faf256d578d0a374a4
Diameter
43842888
Circumference
137736494.85296
Area
1.5096914293377E+15
Volume
4.4126154834009E+22
Surface area
6.0387657173509E+15
Circumference
137736494.85296
Perimeter
87685776
Area
480549707045136
Diagonal
31001603.411602
Surface area
2883298242270816
Volume
1.0534343492206E+22
Space diagonal
37969054.783276
Perimeter
65764332
Area
2.0808412704113E+14
Altitude
18984527.391638
Surface area
2.0808412704113E+14
Volume
1.2414842864479E+21
Height
10333867.803867