16507981 (number)

16507981 is an odd 8-digits composite number following 16507980 and preceding 16507982. In scientific notation, it is written as 1.6507981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 14149692 positive integers (up to 16507981) that are relatively prime to 16507981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6507981 × 10^7
Engineering notation 1.6507981 × 10^6

Prime Factorization of 16507981

Prime Factorization 7 × 2358283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16507981
Product of the distinct prime numbers

The prime factorization of 16507981 is 7 × 2358283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16507981)

Multiplication

n×y
n×2 33015962
n×3 49523943
n×4 66031924
n×5 82539905

Division

n÷y
n÷2 8253990.5
n÷3 5502660.3333333
n÷3 4126995.25
n÷5 3301596.2

Exponentiation

ny
n2 272513436696361
n3 4.4986466352282E+21
n4 7.4263573180062E+28
n5 1.2259416550486E+36

Nth Root

y√n
2√n 4063.0014767411
3√n 254.62320874115
4√n 63.741677705729
5√n 27.767628611589

Divisors of 16507981

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 -16507980
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 16507981 can be divided by 4 positive divisors. The sum of these divisors (counting 16507981) is 1, the average is 0.25.

Base conversion 16507981

Base System Value
2 Binary 111110111110010001001101
3 Ternary 1011001200200201
4 Quaternary 332332101031
5 Quinary 13211223411
6 Senary 1345453501
8 Octal 76762115
10 Decimal 16507981
12 Duodecimal 5641291
16 Hexadecimal fbe44d
20 Vigesimal 5339j1
36 Base36 9ttn1

Cryptographic Hash Functions

md5 2f7d8e7689c65caed532676c4ca8bdfa
sha1 77ea3d017bf671fae5fc437873da7d0efcece51e
sha256 a3f61dc2755306f1178e1620e4116b13de3dd87f597710d8e6ab4627f4198e08
sha512 cf119a3d6ad9f4c0c75272d5c43a61f54d794af4f68fc69bd74822e8be5baa682ec47f5a99f9461c9bdca5226a64b67126513d3cb674983696db89357e184c04
ripemd-160 46c998d11fc0486be1bedeaed9dd6ddde7418094

16507981 as geometric shapes

Circle

Radius = n
Diameter 33015962
Circumference 103722703.6704
Area 8.5612621072979E+14

Sphere

Radius = n
Volume 1.8843886960439E+22
Surface area 3.4245048429192E+15
Circumference 103722703.6704

Square

Length = n
Perimeter 66031924
Area 272513436696361
Diagonal 23345810.617597

Cube

Length = n
Surface area 1635080620178166
Volume 4.4986466352282E+21
Space diagonal 28592661.822382

Equilateral Triangle

Length = n
Perimeter 49523943
Area 1.1800177952583E+14
Altitude 14296330.911191

Triangular Pyramid

Length = n
Surface area 1.1800177952583E+14
Volume 5.3017059032199E+20
Height 7781936.8725325