15994989 (number)

15994989 is an odd 8-digits composite number following 15994988 and preceding 15994990. In scientific notation, it is written as 1.5994989 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 28 positive divisors. There are 10357632 positive integers (up to 15994989) that are relatively prime to 15994989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5994989 × 10^7
Engineering notation 1.5994989 × 10^6

Prime Factorization of 15994989

Prime Factorization 3 × 9 × 27 × 37 × 593

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15994989
Product of the distinct prime numbers

The prime factorization of 15994989 is 3 × 9 × 27 × 37 × 593. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15994989)

Multiplication

n×y
n×2 31989978
n×3 47984967
n×4 63979956
n×5 79974945

Division

n÷y
n÷2 7997494.5
n÷3 5331663
n÷3 3998747.25
n÷5 3198997.8

Exponentiation

ny
n2 255839673110121
n3 4.09215275716E+21
n4 6.5453938337094E+28
n5 1.0469350237085E+36

Nth Root

y√n
2√n 3999.3735759491
3√n 251.95790113066
4√n 63.240600692507
5√n 27.592864556318

Divisors of 15994989

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15994988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15994989 can be divided by 28 positive divisors. The sum of these divisors (counting 15994989) is 1, the average is 0.035714285714286.

Base conversion 15994989

Base System Value
2 Binary 111101000001000001101101
3 Ternary 1010002122000000
4 Quaternary 331001001231
5 Quinary 13043314424
6 Senary 1330454513
8 Octal 75010155
10 Decimal 15994989
12 Duodecimal 5434439
16 Hexadecimal f4106d
20 Vigesimal 4jj799
36 Base36 9itt9

Cryptographic Hash Functions

md5 b016a78a106a2cf53d6d2b91ec94f1c9
sha1 2d3c1b6fb256955d8555b9f525015112cbe3dd88
sha256 364b671d5eb41475fd21d5d22b5d6362e37389100fbfc3f2d7e1f26a57a8875d
sha512 fb95679941063e1450fbdefbdc68c281da50024cf42c133b8ea02d7b9df1fe399b04bd5f14adcb0a9687c5acf59be453b378d4c780ed009e47881ed9d8060c41
ripemd-160 86fb83ac5dcdf5ef977f3b06c1a94aaf2e7bdd17

15994989 as geometric shapes

Circle

Radius = n
Diameter 31989978
Circumference 100499479.8733
Area 8.0374403753957E+14

Sphere

Radius = n
Volume 1.7141169385681E+22
Surface area 3.2149761501583E+15
Circumference 100499479.8733

Square

Length = n
Perimeter 63979956
Area 255839673110121
Diagonal 22620330.373808

Cube

Length = n
Surface area 1535038038660726
Volume 4.09215275716E+21
Space diagonal 27704133.614505

Equilateral Triangle

Length = n
Perimeter 47984967
Area 1.1078182810464E+14
Altitude 13852066.807253

Triangular Pyramid

Length = n
Surface area 1.1078182810464E+14
Volume 4.8226482737318E+20
Height 7540110.1246028