21531792 is an even 8-digits composite number following 21531791
and preceding 21531793 . In scientific notation, it is written as 2.1531792 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 6754816 positive integers (up to 21531792) that are relatively prime to 21531792.
21531792 has 20 divisors, whose sum is 42537456
The reverse of 21531792 is 29713512
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred thirty-one thousand seven hundred ninety-two
Scientific notation
2.1531792 × 10^7
Engineering notation
2.1531792 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 51 × 26387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2691474
Product of the distinct prime numbers
The prime factorization of 21531792 is 2 × 2 × 2 × 2 × 51 × 26387.
Since it has a total of 6 prime factors.
5 , 3 , 94 , 99 , 590 , 491 , 3962 , 1166 , 32956 , 85673 , 88060 , 4566 , 2696977 , 8133736 , 65687572 , 54537197 , 844988890 , 763907718 , 1082758473 , 6454641873
n×2
43063584
n×3
64595376
n×4
86127168
n×5
107658960
n÷2
10765896
n÷3
7177264
n÷3
5382948
n÷5
4306358.4
n2
463618066731264
n3
9.9825277802997E+21
n4
2.1494171179963E+29
n5
4.6280802305937E+36
2 √n
4640.2362008846
3 √n
278.20187879364
4 √n
68.119279215833
5 √n
29.283031533537
1 , 2 , 4 , 8 , 16 , 51 , 102 , 204 , 408 , 816 , 26387 , 52774 , 105548 , 211096 , 422192 , 1345737 , 2691474 , 5382948 , 10765896 , 21531792
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21531791
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21531792 can be divided by 20 positive divisors.
The sum of these divisors (counting 21531792) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010001000110010010000
3
Ternary
1111111221001210
4
Quaternary
1102020302100
5
Quinary
21003004132
6
Senary
2045300120
8
Octal
122106220
10
Decimal
21531792
12
Duodecimal
7264640
16
Hexadecimal
1488c90
20
Vigesimal
6eb99c
36
Base36
cti1c
md5
511e4d624f8a18c58dd30b165893ca1e
sha1
cbb548e42af7ed4d3944839a425c979ebf4f964b
sha256
39bcad2f1dc3e6def37efd9583b269974e78526859ab36d8db7f3476ca059f21
sha512
eb0123ef52f150dbc52c12cae19b5e5fae3f485280a9533c5feebfb84f93c6578d6380dd8141f48b20e7274806b2f69e6bc59d184e74e263cf269485dadae476
ripemd-160
2fe8c21e261df3b20730dce29c4776b1f31b2e57
Diameter
43063584
Circumference
135288239.13165
Area
1.4564991125144E+15
Volume
4.1814714585127E+22
Surface area
5.8259964500578E+15
Circumference
135288239.13165
Perimeter
86127168
Area
463618066731264
Diagonal
30450552.268597
Surface area
2781708400387584
Volume
9.9825277802997E+21
Space diagonal
37294157.722005
Perimeter
64595376
Area
2.0075251172135E+14
Altitude
18647078.861003
Surface area
2.0075251172135E+14
Volume
1.1764521811388E+21
Height
10150184.089532