21032947 is an odd 8-digits composite number following 21032946
and preceding 21032948 . In scientific notation, it is written as 2.1032947 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 18892800 positive integers (up to 21032947) that are relatively prime to 21032947.
21032947 has 16 divisors, whose sum is 23270688
The reverse of 21032947 is 74923012
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-two thousand nine hundred forty-seven
Scientific notation
2.1032947 × 10^7
Engineering notation
2.1032947 × 10^6
Prime Factorization
13 × 83 × 101 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21032947
Product of the distinct prime numbers
The prime factorization of 21032947 is 13 × 83 × 101 × 193.
Since it has a total of 4 prime factors.
6 , 9 , 29 , 70 , 204 , 990 , 1165 , 9079 , 9061 , 44694 , 538014 , 591098 , 2642345 , 8284768 , 78889890 , 58250681 , 895857147 , 130725343 , 4452871775 , 8485229278
n×2
42065894
n×3
63098841
n×4
84131788
n×5
105164735
n÷2
10516473.5
n÷3
7010982.3333333
n÷3
5258236.75
n÷5
4206589.4
n2
442384859504809
n3
9.3046573035671E+21
n4
1.9570436391909E+29
n5
4.1162395139789E+36
2 √n
4586.169098496
3 √n
276.03662522433
4 √n
67.721260313849
5 √n
29.146071468684
1 , 13 , 83 , 101 , 193 , 1079 , 1313 , 2509 , 8383 , 16019 , 19493 , 108979 , 208247 , 253409 , 1617919 , 21032947
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
-21032946
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 21032947 can be divided by 16 positive divisors.
The sum of these divisors (counting 21032947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110111111110011
3
Ternary
1110120120210001
4
Quaternary
1100032333303
5
Quinary
20341023242
6
Senary
2030450431
8
Octal
120167763
10
Decimal
21032947
12
Duodecimal
7063a17
16
Hexadecimal
140eff3
20
Vigesimal
6b9277
36
Base36
cit4j
md5
7cf6fe61f411d1b094cb6dcfb16a6c80
sha1
6242af517c8735ff6a007b35be40383ee5ec28e0
sha256
9193d74a2affe5f2d6d32728fe95d44af7dcf87623cc5de131fed57d71d30bd1
sha512
5bcc03834b8387d3cb4e3702506b876f297dd4f4a4f9d89a15b0432eda385c0256861680aca232511782093ad36c0e56ad6f86c529fab6403fe0402d36d288ab
ripemd-160
12ab034455d794c23b75bcbfe9c9243090b433d9
Diameter
42065894
Circumference
132153903.55709
Area
1.3897930246797E+15
Volume
3.8975257372076E+22
Surface area
5.5591720987186E+15
Circumference
132153903.55709
Perimeter
84131788
Area
442384859504809
Diagonal
29745078.904075
Surface area
2654309157028854
Volume
9.3046573035671E+21
Space diagonal
36430132.836903
Perimeter
63098841
Area
1.9155826329039E+14
Altitude
18215066.418452
Surface area
1.9155826329039E+14
Volume
1.0965643793282E+21
Height
9915026.3013582