21139924 is an even 8-digits composite number following 21139923
and preceding 21139925 . In scientific notation, it is written as 2.1139924 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 9621504 positive integers (up to 21139924) that are relatively prime to 21139924.
21139924 has 24 divisors, whose sum is 40393640
The reverse of 21139924 is 42993112
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred thirty-nine thousand nine hundred twenty-four
Scientific notation
2.1139924 × 10^7
Engineering notation
2.1139924 × 10^6
Prime Factorization
2 × 2 × 13 × 73 × 5569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10569962
Product of the distinct prime numbers
The prime factorization of 21139924 is 2 × 2 × 13 × 73 × 5569.
Since it has a total of 5 prime factors.
8 , 1 , 44 , 82 , 775 , 764 , 7862 , 3016 , 48436 , 29014 , 237160 , 618244 , 3857991 , 1196145 , 23528548 , 19331403 , 572329886 , 243606112 , 5160086509 , 3076414737
n×2
42279848
n×3
63419772
n×4
84559696
n×5
105699620
n÷2
10569962
n÷3
7046641.3333333
n÷3
5284981
n÷5
4227984.8
n2
446896386725776
n3
9.4473556512575E+21
n4
1.9971638046855E+29
n5
4.2219891046603E+36
2 √n
4597.8173082453
3 √n
276.50382313961
4 √n
67.80720690491
5 √n
29.175659668541
1 , 2 , 4 , 13 , 26 , 52 , 73 , 146 , 292 , 949 , 1898 , 3796 , 5569 , 11138 , 22276 , 72397 , 144794 , 289588 , 406537 , 813074 , 1626148 , 5284981 , 10569962 , 21139924
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139923
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139924 can be divided by 24 positive divisors.
The sum of these divisors (counting 21139924) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000101001000111010100
3
Ternary
1110210000112011
4
Quaternary
1100221013110
5
Quinary
20402434144
6
Senary
2033034004
8
Octal
120510724
10
Decimal
21139924
12
Duodecimal
70b5904
16
Hexadecimal
14291d4
20
Vigesimal
6c29g4
36
Base36
cl3o4
md5
c84166fb952072a383ac109bd5997bd5
sha1
0255012d77f4787deb2a1dbd4c0139cdd4ca1df3
sha256
20c7687410e8c0268281c8b06044f09d091acf0d0e4410043a590849e0a21afa
sha512
8b35536f93bfc430f829df926706605e04c5081fbc928b5074a961623f0b4897d469d4e0e499246d0ee0aa2ee5b0b8e4d01169ba6d6a21f285db1a4a2b858cb5
ripemd-160
76056d5f4c85cbeec81ae742690a8399a5b84d1b
Diameter
42279848
Circumference
132826059.87169
Area
1.4039664054535E+15
Volume
3.9572990813121E+22
Surface area
5.6158656218141E+15
Circumference
132826059.87169
Perimeter
84559696
Area
446896386725776
Diagonal
29896367.228336
Surface area
2681378320354656
Volume
9.4473556512575E+21
Space diagonal
36615422.436145
Perimeter
63419772
Area
1.93511811882E+14
Altitude
18307711.218072
Surface area
1.93511811882E+14
Volume
1.1133815408809E+21
Height
9965455.7427788