16457989 is an odd 8-digits composite number following 16457988
and preceding 16457990 . In scientific notation, it is written as 1.6457989 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 15489856 positive integers (up to 16457989) that are relatively prime to 16457989.
16457989 has 4 divisors, whose sum is 17426124
The reverse of 16457989 is 98975461
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixteen million four hundred fifty-seven thousand nine hundred eighty-nine
Scientific notation
1.6457989 × 10^7
Engineering notation
1.6457989 × 10^6
Prime Factorization
17 × 968117
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16457989
Product of the distinct prime numbers
The prime factorization of 16457989 is 17 × 968117.
Since it has a total of 2 prime factors.
3 , 4 , 74 , 52 , 763 , 9 , 8227 , 466 , 46279 , 9978 , 782929 , 247049 , 5485346 , 3259355 , 68413498 , 17756177 , 562596662 , 328841069 , 3527663158 , 7929653367
n×2
32915978
n×3
49373967
n×4
65831956
n×5
82289945
n÷2
8228994.5
n÷3
5485996.3333333
n÷3
4114497.25
n÷5
3291597.8
n2
270865401924121
n3
4.4578998053478E+21
n4
7.3368065959516E+28
n5
1.207490822513E+36
2 √n
4056.84470987
3 √n
254.3659191602
4 √n
63.693364724043
5 √n
27.750790163736
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16457988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16457989 can be divided by 4 positive divisors.
The sum of these divisors (counting 16457989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110110010000100000101
3
Ternary
1010222011010011
4
Quaternary
332302010011
5
Quinary
13203123424
6
Senary
1344430221
8
Octal
76620405
10
Decimal
16457989
12
Duodecimal
5618371
16
Hexadecimal
fb2105
20
Vigesimal
52h4j9
36
Base36
9sr2d
md5
df8e32fd1bb4e42e710ad48b4d5cc24d
sha1
7474df8bf06649a086fe60c5217b029387e7c9a5
sha256
78078d351aa2b02f093a870d55935183bec46e499c930f3e367b0dc2fa8735db
sha512
9954e9e4c1655944bc0ba9972ae076fad5d7476f5a57d36f648b7c15261fbe93ea5182970d2a6d468a188ab7f1d83c6d7adadc994368a39de6817ea7a781d206
ripemd-160
3693b9e1cbc76b40fd32d412693206c83bbb7d3f
Diameter
32915978
Circumference
103408594.67052
Area
8.5094875679647E+14
Volume
1.867320703856E+22
Surface area
3.4037950271859E+15
Circumference
103408594.67052
Perimeter
65831956
Area
270865401924121
Diagonal
23275111.253187
Surface area
1625192411544726
Volume
4.4578998053478E+21
Space diagonal
28506073.13841
Perimeter
49373967
Area
1.1728815953629E+14
Altitude
14253036.569205
Surface area
1.1728815953629E+14
Volume
5.253685303686E+20
Height
7758370.4177291