21002956 is an even 8-digits composite number following 21002955
and preceding 21002957 . In scientific notation, it is written as 2.1002956 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 8718336 positive integers (up to 21002956) that are relatively prime to 21002956.
21002956 has 24 divisors, whose sum is 38564064
The reverse of 21002956 is 65920012
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two thousand nine hundred fifty-six
Scientific notation
2.1002956 × 10^7
Engineering notation
2.1002956 × 10^6
Prime Factorization
2 × 2 × 221 × 23 × 1033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10501478
Product of the distinct prime numbers
The prime factorization of 21002956 is 2 × 2 × 221 × 23 × 1033.
Since it has a total of 5 prime factors.
1 , 8 , 70 , 35 , 670 , 942 , 6216 , 5543 , 50082 , 67558 , 341650 , 348772 , 5986343 , 1687383 , 38052279 , 21242019 , 571950746 , 972168815 , 6796486512 , 2745967744
n×2
42005912
n×3
63008868
n×4
84011824
n×5
105014780
n÷2
10501478
n÷3
7000985.3333333
n÷3
5250739
n÷5
4200591.2
n2
441124160737936
n3
9.2649113385158E+21
n4
1.9459052518675E+29
n5
4.0869762385142E+36
2 √n
4582.8982096486
3 √n
275.90536207818
4 √n
67.697106360971
5 √n
29.137754813663
1 , 2 , 4 , 23 , 46 , 92 , 221 , 442 , 884 , 1033 , 2066 , 4132 , 5083 , 10166 , 20332 , 23759 , 47518 , 95036 , 228293 , 456586 , 913172 , 5250739 , 10501478 , 21002956
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
-21002955
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 21002956 can be divided by 24 positive divisors.
The sum of these divisors (counting 21002956) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111101011001100
3
Ternary
1110112001122021
4
Quaternary
1100013223030
5
Quinary
20334043311
6
Senary
2030055524
8
Octal
120075314
10
Decimal
21002956
12
Duodecimal
704a5a4
16
Hexadecimal
1407acc
20
Vigesimal
6b577g
36
Base36
ci5zg
md5
8d2eb863c6d2c764b4b7b49ff42414d5
sha1
c74ee9de50db6b8273520e9d419dce68b2e28186
sha256
5abf46b565532786f5c4038191d0955b19d8b10f739afae23b2d45c22053ad04
sha512
a28ba568071f7ffccf9811d95edeb48258f500a837418b9cad4746e1fc7c309d943f8b74c6bfefd68e0d61aa569377c672067a88875ba6e82584ba7ee54e777a
ripemd-160
938eabac387d1e7e1e80e56c34c021b8a9a55b91
Diameter
42005912
Circumference
131965464.54654
Area
1.3858324226953E+15
Volume
3.8808769862989E+22
Surface area
5.5433296907811E+15
Circumference
131965464.54654
Perimeter
84011824
Area
441124160737936
Diagonal
29702665.225125
Surface area
2646744964427616
Volume
9.2649113385158E+21
Space diagonal
36378186.901134
Perimeter
63008868
Area
1.9101236471107E+14
Altitude
18189093.450567
Surface area
1.9101236471107E+14
Volume
1.0918802724261E+21
Height
9900888.4083751