21497956 is an even 8-digits composite number following 21497955
and preceding 21497957 . In scientific notation, it is written as 2.1497956 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 10748976 positive integers (up to 21497956) that are relatively prime to 21497956.
21497956 has 6 divisors, whose sum is 37621430
The reverse of 21497956 is 65979412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million four hundred ninety-seven thousand nine hundred fifty-six
Scientific notation
2.1497956 × 10^7
Engineering notation
2.1497956 × 10^6
Prime Factorization
2 × 2 × 5374489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10748978
Product of the distinct prime numbers
The prime factorization of 21497956 is 2 × 2 × 5374489.
Since it has a total of 3 prime factors.
6 , 4 , 46 , 64 , 643 , 809 , 9910 , 1415 , 42293 , 68018 , 159127 , 71187 , 1120225 , 1713948 , 40804361 , 58070125 , 966080377 , 736451475 , 2063182219 , 3048665166
n×2
42995912
n×3
64493868
n×4
85991824
n×5
107489780
n÷2
10748978
n÷3
7165985.3333333
n÷3
5374489
n÷5
4299591.2
n2
462162112177936
n3
9.9355407524683E+21
n4
2.1359381793277E+29
n5
4.5918304997907E+36
2 √n
4636.5888323206
3 √n
278.05607619204
4 √n
68.092502027173
5 √n
29.273822415686
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497956 can be divided by 6 positive divisors.
The sum of these divisors (counting 21497956) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010000000100001100100
3
Ternary
1111110012122121
4
Quaternary
1102000201210
5
Quinary
21000413311
6
Senary
2044435324
8
Octal
122004144
10
Decimal
21497956
12
Duodecimal
7248b44
16
Hexadecimal
1480864
20
Vigesimal
6e74hg
36
Base36
csrxg
md5
7ccd7f6340a72c13a4cb5e79695ec6a1
sha1
be83d0ce423a34d37d10ebf244bff039a62d4d8b
sha256
4ed2a6a82db46c099078c0e56e5c7f9e2c8f2cdcf317a34f488a99c12fb5e8ab
sha512
52e258a276beb803b931b552f62278bd17f307b39dd8dac1711bc813108a0f6d63bb547dbef3f24bb282fdae2ae7d559cad959e8d36cc8474adb60bac20c6551
ripemd-160
31c185a86b00f14fc01e21d9dd9403b1409ee5bb
Diameter
42995912
Circumference
135075641.27359
Area
1.4519250963857E+15
Volume
4.1617895783195E+22
Surface area
5.807700385543E+15
Circumference
135075641.27359
Perimeter
85991824
Area
462162112177936
Diagonal
30402700.9385
Surface area
2772972673067616
Volume
9.9355407524683E+21
Space diagonal
37235552.05088
Perimeter
64493868
Area
2.0012206490638E+14
Altitude
18617776.02544
Surface area
2.0012206490638E+14
Volume
1.1709147068043E+21
Height
10134233.646167