16509985 is an odd 8-digits composite number following 16509984
and preceding 16509986 . In scientific notation, it is written as 1.6509985 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 13021680 positive integers (up to 16509985) that are relatively prime to 16509985.
16509985 has 8 divisors, whose sum is 20091456
The reverse of 16509985 is 58990561
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixteen million five hundred nine thousand nine hundred eighty-five
Scientific notation
1.6509985 × 10^7
Engineering notation
1.6509985 × 10^6
Prime Factorization
5 × 71 × 46507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16509985
Product of the distinct prime numbers
The prime factorization of 16509985 is 5 × 71 × 46507.
Since it has a total of 3 prime factors.
10 , 7 , 6 , 48 , 623 , 627 , 2759 , 8385 , 42828 , 81193 , 249383 , 322264 , 4474902 , 4512156 , 78277412 , 27944658 , 381654484 , 41672862 , 5047242847 , 2061563410
n×2
33019970
n×3
49529955
n×4
66039940
n×5
82549925
n÷2
8254992.5
n÷3
5503328.3333333
n÷3
4127496.25
n÷5
3301997
n2
272579604700225
n3
4.5002851849066E+21
n4
7.4299640898531E+28
n5
1.2266859567401E+36
2 √n
4063.2480849685
3 √n
254.63351172255
4 √n
63.743612111085
5 √n
27.768302753701
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16509984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16509985 can be divided by 8 positive divisors.
The sum of these divisors (counting 16509985) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110111110110000100001
3
Ternary
1011001210102221
4
Quaternary
332332300201
5
Quinary
13211304420
6
Senary
1345511041
8
Octal
76766041
10
Decimal
16509985
12
Duodecimal
5642481
16
Hexadecimal
fbec21
20
Vigesimal
533ej5
36
Base36
9tv6p
md5
be0f406ef174859992cbbf2eb770bae4
sha1
ea4fde996a9d53b38f0a3ee5ef6301c066d50848
sha256
aae9d91fe3f8509e05c02ad858b3c419138cef650103a8e3a393b530d9663f7e
sha512
02ca20bec8816fad625f23d30ab3031759676628862cbe8450470f112804e93113d2ede80e65cebfa6879a589c4ebcdb6127d10ed0d36c6b3a82731d714e7261
ripemd-160
5d8aece15695e9257e1de1815a574eed8f2075c7
Diameter
33019970
Circumference
103735295.17376
Area
8.5633408364464E+14
Volume
1.8850750501282E+22
Surface area
3.4253363345785E+15
Circumference
103735295.17376
Perimeter
66039940
Area
272579604700225
Diagonal
23348644.701576
Surface area
1635477628201350
Volume
4.5002851849066E+21
Space diagonal
28596132.8522
Perimeter
49529955
Area
1.1803043111196E+14
Altitude
14298066.4261
Surface area
1.1803043111196E+14
Volume
5.3036369525347E+20
Height
7782881.5671921