21497816 is an even 8-digits composite number following 21497815
and preceding 21497817 . In scientific notation, it is written as 2.1497816 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 9830016 positive integers (up to 21497816) that are relatively prime to 21497816.
21497816 has 32 divisors, whose sum is 43902000
The reverse of 21497816 is 61879412
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-seven thousand eight hundred sixteen
Scientific notation
2.1497816 × 10^7
Engineering notation
2.1497816 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 29 × 4877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5374454
Product of the distinct prime numbers
The prime factorization of 21497816 is 2 × 2 × 2 × 19 × 29 × 4877.
Since it has a total of 6 prime factors.
7 , 2 , 32 , 72 , 454 , 261 , 4419 , 179 , 57395 , 21307 , 48557 , 847573 , 608413 , 4935299 , 19499161 , 92744027 , 959252868 , 816072342 , 9080429986 , 1862095886
n×2
42995632
n×3
64493448
n×4
85991264
n×5
107489080
n÷2
10748908
n÷3
7165938.6666667
n÷3
5374454
n÷5
4299563.2
n2
462156092769856
n3
9.9353466456453E+21
n4
2.135882540843E+29
n5
4.5916809860655E+36
2 √n
4636.5737349901
3 √n
278.05547260078
4 √n
68.092391168104
5 √n
29.273784287914
1 , 2 , 4 , 8 , 19 , 29 , 38 , 58 , 76 , 116 , 152 , 232 , 551 , 1102 , 2204 , 4408 , 4877 , 9754 , 19508 , 39016 , 92663 , 141433 , 185326 , 282866 , 370652 , 565732 , 741304 , 1131464 , 2687227 , 5374454 , 10748908 , 21497816
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497816 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497816) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011111011000
3
Ternary
1111110012110102
4
Quaternary
1102000133120
5
Quinary
21000412231
6
Senary
2044434532
8
Octal
122003730
10
Decimal
21497816
12
Duodecimal
7248a48
16
Hexadecimal
14807d8
20
Vigesimal
6e74ag
36
Base36
csrtk
md5
c8bfe3234319880c15adc2f23cbdacb0
sha1
786d37c14f52bf9a6df2298943f9903f05c93af5
sha256
29af12eda4c7119737d86900d3dfe73481b96f01c404b864a261dca53d77c9b7
sha512
d2e1e846449507b26184e7fedeb9fa41ba5fcb9b64bce58b3867e24ebedf7098283d82fe16d12f37bb2f4eefff48422397894ec7fbf411760299b25617e6cb62
ripemd-160
b44a7c9c13333d453844d9c621b03870d363766b
Diameter
42995632
Circumference
135074761.62765
Area
1.4519061858575E+15
Volume
4.1617082710436E+22
Surface area
5.8076247434302E+15
Circumference
135074761.62765
Perimeter
85991264
Area
462156092769856
Diagonal
30402502.948601
Surface area
2772936556619136
Volume
9.9353466456453E+21
Space diagonal
37235309.563767
Perimeter
64493448
Area
2.0011945842623E+14
Altitude
18617654.781884
Surface area
2.0011945842623E+14
Volume
1.1708918310958E+21
Height
10134167.649534