21443668 is an even 8-digits composite number following 21443667
and preceding 21443669 . In scientific notation, it is written as 2.1443668 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10539992 positive integers (up to 21443668) that are relatively prime to 21443668.
21443668 has 12 divisors, whose sum is 38162880
The reverse of 21443668 is 86634412
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred forty-three thousand six hundred sixty-eight
Scientific notation
2.1443668 × 10^7
Engineering notation
2.1443668 × 10^6
Prime Factorization
2 × 2 × 59 × 90863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10721834
Product of the distinct prime numbers
The prime factorization of 21443668 is 2 × 2 × 59 × 90863.
Since it has a total of 4 prime factors.
7 , 1 , 12 , 97 , 280 , 123 , 50 , 8 , 58340 , 55805 , 244615 , 62248 , 9904045 , 9564640 , 96075900 , 20303055 , 754285631 , 392646847 , 8978373723 , 9814499611
n×2
42887336
n×3
64331004
n×4
85774672
n×5
107218340
n÷2
10721834
n÷3
7147889.3333333
n÷3
5360917
n÷5
4288733.6
n2
459830897294224
n3
9.8604610977194E+21
n4
2.1144445410641E+29
n5
4.5341446742991E+36
2 √n
4630.73082785
3 √n
277.82182396058
4 √n
68.049473384075
5 √n
29.259022636723
1 , 2 , 4 , 59 , 118 , 236 , 90863 , 181726 , 363452 , 5360917 , 10721834 , 21443668
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21443667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21443668 can be divided by 12 positive divisors.
The sum of these divisors (counting 21443668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110011010001010100
3
Ternary
1111100110011221
4
Quaternary
1101303101110
5
Quinary
20442144133
6
Senary
2043340124
8
Octal
121632124
10
Decimal
21443668
12
Duodecimal
7221644
16
Hexadecimal
1473454
20
Vigesimal
6e0938
36
Base36
crm1g
md5
1037d11ee0a09ae471293120bb90e293
sha1
0f6a552f0e29d0e33018a691ba4bd9014e40e152
sha256
b545354c2efc668fd0edcd8d062bd44bc275adae83a22480b93a6f4dae0c9575
sha512
db48601d8cfcab788a9531d2a6a26b06fb134f0fa71790e5c55a35f5f9a7d60fe553b269be8cfb1c414c8990e286cf8b32d8ed096d89539d8cc2416413a828f4
ripemd-160
31cd9dc0e0ef1bfca54c8b380bce224ea71140f9
Diameter
42887336
Circumference
134734539.70964
Area
1.4446013688331E+15
Volume
4.1303402860804E+22
Surface area
5.7784054753325E+15
Circumference
134734539.70964
Perimeter
85774672
Area
459830897294224
Diagonal
30325926.112626
Surface area
2758985383765344
Volume
9.8604610977194E+21
Space diagonal
37141522.476639
Perimeter
64331004
Area
1.991126192509E+14
Altitude
18570761.238319
Surface area
1.991126192509E+14
Volume
1.1620664846373E+21
Height
10108642.037542