21479944 is an even 8-digits composite number following 21479943
and preceding 21479945 . In scientific notation, it is written as 2.1479944 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 10644480 positive integers (up to 21479944) that are relatively prime to 21479944.
21479944 has 16 divisors, whose sum is 40633020
The reverse of 21479944 is 44997412
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred seventy-nine thousand nine hundred forty-four
Scientific notation
2.1479944 × 10^7
Engineering notation
2.1479944 × 10^6
Prime Factorization
2 × 2 × 2 × 113 × 23761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5369986
Product of the distinct prime numbers
The prime factorization of 21479944 is 2 × 2 × 2 × 113 × 23761.
Since it has a total of 5 prime factors.
9 , 5 , 75 , 79 , 325 , 583 , 6571 , 5252 , 28395 , 23388 , 567278 , 615958 , 5683946 , 271914 , 69254156 , 5442419 , 970434972 , 767787992 , 3721971801 , 6008763119
n×2
42959888
n×3
64439832
n×4
85919776
n×5
107399720
n÷2
10739972
n÷3
7159981.3333333
n÷3
5369986
n÷5
4295988.8
n2
461387994243136
n3
9.9105882786149E+21
n4
2.128788812317E+29
n5
4.5726264476397E+36
2 √n
4634.6460490527
3 √n
277.97839833531
4 √n
68.078234767455
5 √n
29.268915373451
1 , 2 , 4 , 8 , 113 , 226 , 452 , 904 , 23761 , 47522 , 95044 , 190088 , 2684993 , 5369986 , 10739972 , 21479944
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21479943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21479944 can be divided by 16 positive divisors.
The sum of these divisors (counting 21479944) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111100001000001000
3
Ternary
1111102021221111
4
Quaternary
1101330020020
5
Quinary
20444324234
6
Senary
2044220104
8
Octal
121741010
10
Decimal
21479944
12
Duodecimal
723a634
16
Hexadecimal
147c208
20
Vigesimal
6e4jh4
36
Base36
cse14
md5
e760d56ff097909f5249268a557b46e3
sha1
1fe89bb1f7797c4d6066bd8a648754fe63f0d89c
sha256
0c1d6285c7af41cbb1b45ad05f297fe69e8546414c6d358245918de94fb27576
sha512
cf248b4088b2d8db079281fd9eb933942ed944e9262073487be77923acbbfb93a8bd33fc7b8051987ae972eb2d0b611c385be764f87c57815c8cca56dbb814f0
ripemd-160
336af0a0573c2b4f2d999951c1c3a95b7fdea565
Diameter
42959888
Circumference
134962468.53984
Area
1.4494931331688E+15
Volume
4.1513375105133E+22
Surface area
5.7979725326751E+15
Circumference
134962468.53984
Perimeter
85919776
Area
461387994243136
Diagonal
30377228.123815
Surface area
2768327965458816
Volume
9.9105882786149E+21
Space diagonal
37204354.351734
Perimeter
64439832
Area
1.9978686200785E+14
Altitude
18602177.175867
Surface area
1.9978686200785E+14
Volume
1.1679740295594E+21
Height
10125742.707938