16397721 is an odd 8-digits composite number following 16397720
and preceding 16397722 . In scientific notation, it is written as 1.6397721 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 10 positive divisors.
There are 10931760 positive integers (up to 16397721) that are relatively prime to 16397721.
16397721 has 10 divisors, whose sum is 24495482
The reverse of 16397721 is 12779361
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixteen million three hundred ninety-seven thousand seven hundred twenty-one
Scientific notation
1.6397721 × 10^7
Engineering notation
1.6397721 × 10^6
Prime Factorization
3 × 3 × 9 × 202441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5465907
Product of the distinct prime numbers
The prime factorization of 16397721 is 3 × 3 × 9 × 202441.
Since it has a total of 4 prime factors.
3 , 1 , 44 , 38 , 125 , 238 , 7859 , 3 , 9509 , 15043 , 678391 , 591605 , 5040500 , 2708146 , 97432037 , 82797438 , 355049649 , 238384121 , 6943062864 , 4381129715
n×2
32795442
n×3
49193163
n×4
65590884
n×5
81988605
n÷2
8198860.5
n÷3
5465907
n÷3
4099430.25
n÷5
3279544.2
n2
268885253993841
n3
4.4091053760051E+21
n4
7.2299279815332E+28
n5
1.1855434189128E+36
2 √n
4049.4099570184
3 √n
254.0550493451
4 √n
63.634974322447
5 √n
27.730436038739
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16397720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16397721 can be divided by 10 positive divisors.
The sum of these divisors (counting 16397721) is 1, the average is 0.1.
Base
System
Value
2
Binary
111110100011010110011001
3
Ternary
1010212002110000
4
Quaternary
332203112121
5
Quinary
13144211341
6
Senary
1343243213
8
Octal
76432631
10
Decimal
16397721
12
Duodecimal
55a9509
16
Hexadecimal
fa3599
20
Vigesimal
529e61
36
Base36
9rgk9
md5
7d3c32c97560eb252c02e5b5c54897bc
sha1
c507bbd5425a8317e48065db363fd942b0819a5c
sha256
d44b78bf319004dfa003902cd3556ba895b2edd0ea750ff8b51e96ad6987b560
sha512
9db4b65c151b56a6592d442ee789f14da060e1cdeaf058b15a916ae4c2affc966e890f41452b3ae15dea52054131266885839cc678e0a039c10ca56499cfd784
ripemd-160
159a9dc4f2e268f1e6670bc19fa41a1bb8b488ac
Diameter
32795442
Circumference
103029919.65843
Area
8.4472793860568E+14
Volume
1.8468817410881E+22
Surface area
3.3789117544227E+15
Circumference
103029919.65843
Perimeter
65590884
Area
268885253993841
Diagonal
23189879.43021
Surface area
1613311523963046
Volume
4.4091053760051E+21
Space diagonal
28401685.900339
Perimeter
49193163
Area
1.1643073033085E+14
Altitude
14200842.95017
Surface area
1.1643073033085E+14
Volume
5.1961805172322E+20
Height
7729959.81007