21697764 is an even 8-digits composite number following 21697763
and preceding 21697765 . In scientific notation, it is written as 2.1697764 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 6575040 positive integers (up to 21697764) that are relatively prime to 21697764.
21697764 has 12 divisors, whose sum is 39121964
The reverse of 21697764 is 46779612
Previous prime number is 33
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million six hundred ninety-seven thousand seven hundred sixty-four
Scientific notation
2.1697764 × 10^7
Engineering notation
2.1697764 × 10^6
Prime Factorization
2 × 2 × 33 × 164377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10848882
Product of the distinct prime numbers
The prime factorization of 21697764 is 2 × 2 × 33 × 164377.
Since it has a total of 4 prime factors.
4 , 2 , 29 , 47 , 153 , 641 , 4333 , 8017 , 60059 , 13950 , 785889 , 373506 , 252367 , 4161778 , 60087901 , 23475566 , 485535069 , 151001208 , 564573357 , 2099743470
n×2
43395528
n×3
65093292
n×4
86791056
n×5
108488820
n÷2
10848882
n÷3
7232588
n÷3
5424441
n÷5
4339552.8
n2
470792962599696
n3
1.0215154595349E+22
n4
2.216460136334E+29
n5
4.8092228953583E+36
2 √n
4658.085872974
3 √n
278.91486463439
4 √n
68.250171230364
5 √n
29.328037048562
1 , 2 , 4 , 33 , 66 , 132 , 164377 , 328754 , 657508 , 5424441 , 10848882 , 21697764
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
-21697763
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 21697764 can be divided by 12 positive divisors.
The sum of these divisors (counting 21697764) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010110001010011100100
3
Ternary
1111211100201220
4
Quaternary
1102301103210
5
Quinary
21023312024
6
Senary
2053020340
8
Octal
122612344
10
Decimal
21697764
12
Duodecimal
73246b0
16
Hexadecimal
14b14e4
20
Vigesimal
6fc484
36
Base36
cx23o
md5
7f552251893804c20973c158371095c5
sha1
dde9d9d93b31e61946098715e7dbda6ea7e8f526
sha256
9d58fd1048e3b019d3419967ac4d9a7c4e40c591a5296c715723f8b6051d5ef3
sha512
1ed2fbbbd179766828b3bd89008d45362a6563b47be739236ef82a74012877f37ef866e039180e000b892abd37026ed5f969fb3f0f9787ab7e36ead5cc3127fd
ripemd-160
e280e96a9ef5a6b5e41a71115ad7605e8da4863a
Diameter
43395528
Circumference
136331071.96345
Area
1.479039712665E+15
Volume
4.2789139509377E+22
Surface area
5.9161588506599E+15
Circumference
136331071.96345
Perimeter
86791056
Area
470792962599696
Diagonal
30685272.121971
Surface area
2824757775598176
Volume
1.0215154595349E+22
Space diagonal
37581629.658639
Perimeter
65093292
Area
2.0385933276714E+14
Altitude
18790814.829319
Surface area
2.0385933276714E+14
Volume
1.2038675142067E+21
Height
10228424.040657