21043971 is an odd 8-digits composite number following 21043970
and preceding 21043972 . In scientific notation, it is written as 2.1043971 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 12841920 positive integers (up to 21043971) that are relatively prime to 21043971.
21043971 has 24 divisors, whose sum is 33008976
The reverse of 21043971 is 17934012
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million forty-three thousand nine hundred seventy-one
Scientific notation
2.1043971 × 10^7
Engineering notation
2.1043971 × 10^6
Prime Factorization
3 × 3 × 13 × 131 × 1373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7014657
Product of the distinct prime numbers
The prime factorization of 21043971 is 3 × 3 × 13 × 131 × 1373.
Since it has a total of 5 prime factors.
7 , 8 , 52 , 3 , 36 , 542 , 5611 , 2290 , 44277 , 86938 , 562326 , 417352 , 8962608 , 6665373 , 22045772 , 84749346 , 749441685 , 683436070 , 3894413621 , 1026542958
n×2
42087942
n×3
63131913
n×4
84175884
n×5
105219855
n÷2
10521985.5
n÷3
7014657
n÷3
5260992.75
n÷5
4208794.2
n2
442848715448841
n3
9.3192955252927E+21
n4
1.9611498477469E+29
n5
4.127038052264E+36
2 √n
4587.3708156198
3 √n
276.08484316646
4 √n
67.73013225751
5 √n
29.149126094843
1 , 3 , 9 , 13 , 39 , 117 , 131 , 393 , 1179 , 1373 , 1703 , 4119 , 5109 , 12357 , 15327 , 17849 , 53547 , 160641 , 179863 , 539589 , 1618767 , 2338219 , 7014657 , 21043971
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
-21043970
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 21043971 can be divided by 24 positive divisors.
The sum of these divisors (counting 21043971) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010001101100000011
3
Ternary
1110121010220100
4
Quaternary
1100101230003
5
Quinary
20341401341
6
Senary
2031013443
8
Octal
120215403
10
Decimal
21043971
12
Duodecimal
706a283
16
Hexadecimal
1411b03
20
Vigesimal
6ba9ib
36
Base36
cj1mr
md5
d6c242604bebedf8274bf6c2e76f5f62
sha1
732082bc77f8f91bcfdad7cce3f940a08179e4df
sha256
9596419495a7cae89f49f1384b556c5ce9eb51baa8a49e404b060c80b87d8139
sha512
0d8c365618658fc5083965b08ee1b5536c35556868734abc9843555060371fda8bcbe8d5817407efe1a7c68501417683dd423613104adb939909f402c21e7c29
ripemd-160
4be2bc49641d5dff91e9fe52b6d9a4fe37398cd6
Diameter
42087942
Circumference
132223169.39191
Area
1.3912502711058E+15
Volume
3.9036573811856E+22
Surface area
5.565001084423E+15
Circumference
132223169.39191
Perimeter
84175884
Area
442848715448841
Diagonal
29760669.194386
Surface area
2657092292693046
Volume
9.3192955252927E+21
Space diagonal
36449226.965006
Perimeter
63131913
Area
1.91759118806E+14
Altitude
18224613.482503
Surface area
1.91759118806E+14
Volume
1.0982895103026E+21
Height
9920223.0647954