21497764 is an even 8-digits composite number following 21497763
and preceding 21497765 . In scientific notation, it is written as 2.1497764 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10498824 positive integers (up to 21497764) that are relatively prime to 21497764.
21497764 has 12 divisors, whose sum is 38496304
The reverse of 21497764 is 46779412
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand seven hundred sixty-four
Scientific notation
2.1497764 × 10^7
Engineering notation
2.1497764 × 10^6
Prime Factorization
2 × 2 × 43 × 124987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10748882
Product of the distinct prime numbers
The prime factorization of 21497764 is 2 × 2 × 43 × 124987.
Since it has a total of 4 prime factors.
10 , 6 , 44 , 42 , 633 , 391 , 4097 , 4462 , 46348 , 84907 , 602362 , 60630 , 338587 , 1964596 , 439089 , 89560047 , 510218219 , 2507896 , 1704117348 , 6894970826
n×2
42995528
n×3
64493292
n×4
85991056
n×5
107488820
n÷2
10748882
n÷3
7165921.3333333
n÷3
5374441
n÷5
4299552.8
n2
462153856999696
n3
9.9352745494692E+21
n4
2.135861875397E+29
n5
4.5916254533881E+36
2 √n
4636.5681273977
3 √n
278.05524840907
4 √n
68.09234999174
5 √n
29.273770126119
1 , 2 , 4 , 43 , 86 , 172 , 124987 , 249974 , 499948 , 5374441 , 10748882 , 21497764
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497764 can be divided by 12 positive divisors.
The sum of these divisors (counting 21497764) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000000011110100100
3
Ternary
1111110012101111
4
Quaternary
1102000132210
5
Quinary
21000412024
6
Senary
2044434404
8
Octal
122003644
10
Decimal
21497764
12
Duodecimal
7248a04
16
Hexadecimal
14807a4
20
Vigesimal
6e7484
36
Base36
csrs4
md5
4665d88a3653896216c9b242f13d80df
sha1
a791c0f3e36671202b95bc0dbc17c9bc0dda4df7
sha256
35de4199e28351bb850dd856d9d0e1c15d8d2681f4837a77fe95e58c33d3fcf7
sha512
ba65fcbd5c1561d9e9d0569377fa4f696d7425879f828857835cd361ffa3bd1c3acbaa623915607a9b4bd0c82e6c0f99be64e28e0efcfd0c71369ab1aa23cf3b
ripemd-160
d9552f3458559a24620d398bc2cb4397439e5acd
Diameter
42995528
Circumference
135074434.90201
Area
1.4518991619784E+15
Volume
4.161678071468E+22
Surface area
5.8075966479137E+15
Circumference
135074434.90201
Perimeter
85991056
Area
462153856999696
Diagonal
30402429.409496
Surface area
2772923141998176
Volume
9.9352745494692E+21
Space diagonal
37235219.497125
Perimeter
64493292
Area
2.0011849030935E+14
Altitude
18617609.748563
Surface area
2.0011849030935E+14
Volume
1.17088333448E+21
Height
10134143.136499