15287421 (number)

15287421 is an odd 8-digits composite number following 15287420 and preceding 15287422. In scientific notation, it is written as 1.5287421 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10178960 positive integers (up to 15287421) that are relatively prime to 15287421.

Interesting facts

Basic properties

Name

Name fifteen million two hundred eighty-seven thousand four hundred twenty-one

Notation

Scientific notation 1.5287421 × 10^7
Engineering notation 1.5287421 × 10^6

Prime Factorization of 15287421

Prime Factorization 3 × 947 × 5381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15287421
Product of the distinct prime numbers

The prime factorization of 15287421 is 3 × 947 × 5381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15287421)

Multiplication

n×y
n×2 30574842
n×3 45862263
n×4 61149684
n×5 76437105

Division

n÷y
n÷2 7643710.5
n÷3 5095807
n÷3 3821855.25
n÷5 3057484.2

Exponentiation

ny
n2 233705240831241
n3 3.5727504064936E+21
n4 5.4618139591988E+28
n5 8.3497049417949E+35

Nth Root

y√n
2√n 3909.9131703914
3√n 248.18645469181
4√n 62.529298495916
5√n 27.3443022047

Divisors of 15287421

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 -15287420
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 15287421 can be divided by 8 positive divisors. The sum of these divisors (counting 15287421) is 1, the average is 0.125.

Base conversion 15287421

Base System Value
2 Binary 111010010100010001111101
3 Ternary 1001202200101210
4 Quaternary 322110101331
5 Quinary 12403144141
6 Senary 1303355033
8 Octal 72242175
10 Decimal 15287421
12 Duodecimal 5152a79
16 Hexadecimal e9447d
20 Vigesimal 4faib1
36 Base36 93nul

Cryptographic Hash Functions

md5 e7632c7bc49620fab6ee67b6188d46f8
sha1 bf41b738910c5aa614a3dfab140fc7d693d4ef91
sha256 ef81ed36a467d60c62c3f55d5971479f85db13b8a6dc25d38b2682931823e0ec
sha512 01b2f27c271dfd0c78143b5b9090bfd68f9a6f54a81c037389a08208aeb70f2640fc59fda6ca7b6bc532a94967bb7f18f001823a58a3afaad63637fba9edc466
ripemd-160 056c11a6c9850fe87f82185c11c06b42ee900be7

15287421 as geometric shapes

Circle

Radius = n
Diameter 30574842
Circumference 96053699.011869
Area 7.3420666770086E+14

Sphere

Radius = n
Volume 1.4965501906867E+22
Surface area 2.9368266708034E+15
Circumference 96053699.011869

Square

Length = n
Perimeter 61149684
Area 233705240831241
Diagonal 21619678.111907

Cube

Length = n
Surface area 1402231444987446
Volume 3.5727504064936E+21
Space diagonal 26478589.888695

Equilateral Triangle

Length = n
Perimeter 45862263
Area 1.0119733777871E+14
Altitude 13239294.944348

Triangular Pyramid

Length = n
Surface area 1.0119733777871E+14
Volume 4.2105267331977E+20
Height 7206559.3706358