15891421 (number)

15891421 is an odd 8-digits composite number following 15891420 and preceding 15891422. In scientific notation, it is written as 1.5891421 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 12573360 positive integers (up to 15891421) that are relatively prime to 15891421.

Interesting facts

Basic properties

Name

Name fifteen million eight hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation 1.5891421 × 10^7
Engineering notation 1.5891421 × 10^6

Prime Factorization of 15891421

Prime Factorization 13 × 7 × 174631

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15891421
Product of the distinct prime numbers

The prime factorization of 15891421 is 13 × 7 × 174631. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15891421)

Multiplication

n×y
n×2 31782842
n×3 47674263
n×4 63565684
n×5 79457105

Division

n÷y
n÷2 7945710.5
n÷3 5297140.3333333
n÷3 3972855.25
n÷5 3178284.2

Exponentiation

ny
n2 252537261399241
n3 4.0131759390824E+21
n4 6.3775068395029E+28
n5 1.0134764611692E+36

Nth Root

y√n
2√n 3986.4045203667
3√n 251.41291167903
4√n 63.137980014938
5√n 27.557038732926

Divisors of 15891421

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 -15891420
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 15891421 can be divided by 8 positive divisors. The sum of these divisors (counting 15891421) is 1, the average is 0.125.

Base conversion 15891421

Base System Value
2 Binary 111100100111101111011101
3 Ternary 1002220100221011
4 Quaternary 330213233131
5 Quinary 13032011141
6 Senary 1324335221
8 Octal 74475735
10 Decimal 15891421
12 Duodecimal 53a4511
16 Hexadecimal f27bdd
20 Vigesimal 4j68b1
36 Base36 9glwd

Cryptographic Hash Functions

md5 7722fc29aaf14b5cff611a69c4a399ab
sha1 d82040b663c778647f7d7d562680d9542478cb29
sha256 1bdf84a97482474c1f73cc8ca93245738d0413a982450d243e91316d338cd7ac
sha512 b26d6e27827315449dbd82249047fd75dcd76f00dc5427da2fc241d493c8c9a6bd061d0ca608dc824310f10a2aa8bd3231cc9dc9c20ec03713cdbe909903c008
ripemd-160 cc0dca2d846ee0d1b1815ff93b83d76e282ae88f

15891421 as geometric shapes

Circle

Radius = n
Diameter 31782842
Circumference 99848742.937405
Area 7.9336920516954E+14

Sphere

Radius = n
Volume 1.6810352063713E+22
Surface area 3.1734768206782E+15
Circumference 99848742.937405

Square

Length = n
Perimeter 63565684
Area 252537261399241
Diagonal 22473863.103581

Cube

Length = n
Surface area 1515223568395446
Volume 4.0131759390824E+21
Space diagonal 27524748.576467

Equilateral Triangle

Length = n
Perimeter 47674263
Area 1.0935184188695E+14
Altitude 13762374.288234

Triangular Pyramid

Length = n
Surface area 1.0935184188695E+14
Volume 4.7295732010331E+20
Height 7491287.7011935