15994987 (number)

15994987 is an odd 8-digits composite number following 15994986 and preceding 15994988. In scientific notation, it is written as 1.5994987 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 15848136 positive integers (up to 15994987) that are relatively prime to 15994987.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred ninety-four thousand nine hundred eighty-seven

Notation

Scientific notation 1.5994987 × 10^7
Engineering notation 1.5994987 × 10^6

Prime Factorization of 15994987

Prime Factorization 109 × 146743

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15994987
Product of the distinct prime numbers

The prime factorization of 15994987 is 109 × 146743. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15994987)

Multiplication

n×y
n×2 31989974
n×3 47984961
n×4 63979948
n×5 79974935

Division

n÷y
n÷2 7997493.5
n÷3 5331662.3333333
n÷3 3998746.75
n÷5 3198997.4

Exponentiation

ny
n2 255839609130169
n3 4.0921512221221E+21
n4 6.5453905599878E+28
n5 1.0469343691693E+36

Nth Root

y√n
2√n 3999.3733259099
3√n 251.95789062913
4√n 63.240598715619
5√n 27.59286386628

Divisors of 15994987

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 -15994986
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 15994987 can be divided by 4 positive divisors. The sum of these divisors (counting 15994987) is 1, the average is 0.25.

Base conversion 15994987

Base System Value
2 Binary 111101000001000001101011
3 Ternary 1010002121222221
4 Quaternary 331001001223
5 Quinary 13043314422
6 Senary 1330454511
8 Octal 75010153
10 Decimal 15994987
12 Duodecimal 5434437
16 Hexadecimal f4106b
20 Vigesimal 4jj797
36 Base36 9itt7

Cryptographic Hash Functions

md5 338c9aba16b0c1947fb55c86ce044410
sha1 b2cfa0516326682150daea7167610a2af97acf8e
sha256 81424cea3facd4a32d429424b6dacf7e11460d51fdc29d97da374d2774ecf10b
sha512 d7533c69bbc084f111ef36a7cf27dfc4212418d444b2f1e76b58bd206757f462b51c0bcda0a677cd7b5adc63325c6c7f5b8a27363e32799e153b9a6ae2000cc2
ripemd-160 70f064f64529a4afc48ef823deffdaca05ae86d5

15994987 as geometric shapes

Circle

Radius = n
Diameter 31989974
Circumference 100499467.30693
Area 8.0374383654062E+14

Sphere

Radius = n
Volume 1.714116295573E+22
Surface area 3.2149753461625E+15
Circumference 100499467.30693

Square

Length = n
Perimeter 63979948
Area 255839609130169
Diagonal 22620327.545381

Cube

Length = n
Surface area 1535037654781014
Volume 4.0921512221221E+21
Space diagonal 27704130.150404

Equilateral Triangle

Length = n
Perimeter 47984961
Area 1.107818004005E+14
Altitude 13852065.075202

Triangular Pyramid

Length = n
Surface area 1.107818004005E+14
Volume 4.8226464646723E+20
Height 7540109.1817938