21000924 is an even 8-digits composite number following 21000923
and preceding 21000925 . In scientific notation, it is written as 2.1000924 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 6000048 positive integers (up to 21000924) that are relatively prime to 21000924.
21000924 has 24 divisors, whose sum is 49781760
The reverse of 21000924 is 42900012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million nine hundred twenty-four
Scientific notation
2.1000924 × 10^7
Engineering notation
2.1000924 × 10^6
Prime Factorization
2 × 2 × 63 × 3 × 27779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500462
Product of the distinct prime numbers
The prime factorization of 21000924 is 2 × 2 × 63 × 3 × 27779.
Since it has a total of 5 prime factors.
10 , 1 , 4 , 9 , 18 , 543 , 1223 , 8904 , 31183 , 16566 , 687686 , 306603 , 5779715 , 2580541 , 44745841 , 38248924 , 594266623 , 589901919 , 3198953207 , 5406159715
n×2
42001848
n×3
63002772
n×4
84003696
n×5
105004620
n÷2
10500462
n÷3
7000308
n÷3
5250231
n÷5
4200184.8
n2
441038808853776
n3
9.2622225057887E+21
n4
1.9451523091516E+29
n5
4.0849995812917E+36
2 √n
4582.6765105122
3 √n
275.89646400089
4 √n
67.695468906805
5 √n
29.137190986274
1 , 2 , 3 , 4 , 6 , 12 , 63 , 126 , 189 , 252 , 378 , 756 , 27779 , 55558 , 83337 , 111116 , 166674 , 333348 , 1750077 , 3500154 , 5250231 , 7000308 , 10500462 , 21000924
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
-21000923
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 21000924 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000924) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111001011011100
3
Ternary
1110111221212000
4
Quaternary
1100013023130
5
Quinary
20334012144
6
Senary
2030042300
8
Octal
120071334
10
Decimal
21000924
12
Duodecimal
7049390
16
Hexadecimal
14072dc
20
Vigesimal
6b5264
36
Base36
ci4f0
md5
a647f23856f4b3431d2a5aad0f505fb7
sha1
c71b2de2732667b64cb32c7737ee5253bfe94637
sha256
4b8c00e533342730ff6ce4f01243ee9a2de90c69471367a6bbd7f7ddbcd83c9c
sha512
f6dbac7cc2f448cac8631df9315ef0db84e85e16b76c665ce28e66b6264b87071efd7b793363c780a287076660d12aa382a9951b3f9d3e78e9f51ae46ce2787f
ripemd-160
bec7b7f1d1f1f16a5681d1c1f23b42c6fb819a75
Diameter
42001848
Circumference
131952697.114
Area
1.385564281843E+15
Volume
3.87975069068E+22
Surface area
5.5422571273721E+15
Circumference
131952697.114
Perimeter
84003696
Area
441038808853776
Diagonal
29699791.543167
Surface area
2646232853122656
Volume
9.2622225057887E+21
Space diagonal
36374667.373893
Perimeter
63002772
Area
1.909754062611E+14
Altitude
18187333.686946
Surface area
1.909754062611E+14
Volume
1.0915633904503E+21
Height
9899930.5143889