16509985 (number)

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.

Interesting facts

Basic properties

Name

Name sixteen million five hundred nine thousand nine hundred eighty-five

Notation

Scientific notation 1.6509985 × 10^7
Engineering notation 1.6509985 × 10^6

Prime Factorization of 16509985

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.

Most popular turbo-numbers

Basic calculations (n = 16509985)

Multiplication

n×y
n×2 33019970
n×3 49529955
n×4 66039940
n×5 82549925

Division

n÷y
n÷2 8254992.5
n÷3 5503328.3333333
n÷3 4127496.25
n÷5 3301997

Exponentiation

ny
n2 272579604700225
n3 4.5002851849066E+21
n4 7.4299640898531E+28
n5 1.2266859567401E+36

Nth Root

y√n
2√n 4063.2480849685
3√n 254.63351172255
4√n 63.743612111085
5√n 27.768302753701

Divisors of 16509985

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 conversion 16509985

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

Cryptographic Hash Functions

md5 be0f406ef174859992cbbf2eb770bae4
sha1 ea4fde996a9d53b38f0a3ee5ef6301c066d50848
sha256 aae9d91fe3f8509e05c02ad858b3c419138cef650103a8e3a393b530d9663f7e
sha512 02ca20bec8816fad625f23d30ab3031759676628862cbe8450470f112804e93113d2ede80e65cebfa6879a589c4ebcdb6127d10ed0d36c6b3a82731d714e7261
ripemd-160 5d8aece15695e9257e1de1815a574eed8f2075c7

16509985 as geometric shapes

Circle

Radius = n
Diameter 33019970
Circumference 103735295.17376
Area 8.5633408364464E+14

Sphere

Radius = n
Volume 1.8850750501282E+22
Surface area 3.4253363345785E+15
Circumference 103735295.17376

Square

Length = n
Perimeter 66039940
Area 272579604700225
Diagonal 23348644.701576

Cube

Length = n
Surface area 1635477628201350
Volume 4.5002851849066E+21
Space diagonal 28596132.8522

Equilateral Triangle

Length = n
Perimeter 49529955
Area 1.1803043111196E+14
Altitude 14298066.4261

Triangular Pyramid

Length = n
Surface area 1.1803043111196E+14
Volume 5.3036369525347E+20
Height 7782881.5671921