16491391 (number)

16491391 is an odd 8-digits composite number following 16491390 and preceding 16491392. In scientific notation, it is written as 1.6491391 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 13519968 positive integers (up to 16491391) that are relatively prime to 16491391.

Interesting facts

Basic properties

Name

Name sixteen million four hundred ninety-one thousand three hundred ninety-one

Notation

Scientific notation 1.6491391 × 10^7
Engineering notation 1.6491391 × 10^6

Prime Factorization of 16491391

Prime Factorization 49 × 23 × 14633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16491391
Product of the distinct prime numbers

The prime factorization of 16491391 is 49 × 23 × 14633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16491391)

Multiplication

n×y
n×2 32982782
n×3 49474173
n×4 65965564
n×5 82456955

Division

n÷y
n÷2 8245695.5
n÷3 5497130.3333333
n÷3 4122847.75
n÷5 3298278.2

Exponentiation

ny
n2 271965977114881
n3 4.4850972672986E+21
n4 7.3965492708052E+28
n5 1.2197938607561E+36

Nth Root

y√n
2√n 4060.9593694101
3√n 254.53788405515
4√n 63.725657073193
5√n 27.762045248586

Divisors of 16491391

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 -16491390
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 16491391 can be divided by 8 positive divisors. The sum of these divisors (counting 16491391) is 1, the average is 0.125.

Base conversion 16491391

Base System Value
2 Binary 111110111010001101111111
3 Ternary 1011000211221021
4 Quaternary 332322031333
5 Quinary 13210211031
6 Senary 1345245011
8 Octal 76721577
10 Decimal 16491391
12 Duodecimal 5633767
16 Hexadecimal fba37f
20 Vigesimal 53189b
36 Base36 9tgu7

Cryptographic Hash Functions

md5 6f2cf60e2b91dfbe459e410df55356fa
sha1 67efa4a2bee9b0b25a92d3d3c5fc80031d21801b
sha256 9c3049780b017fbd5b7ea4a4abc46d07e6f241796f71f9ffb482700f87f944b6
sha512 016ade6455a5d5d1c94f0558be6ca8c4cc2ba1e3fbca297631333c31b7bea53297a1996daaf22f5236036c5889b5cb414c7d2a5766a7c1fb0866439a53b05598
ripemd-160 4bd13ef086a3eae3f9ed4d70eeb43d1aeef91429

16491391 as geometric shapes

Circle

Radius = n
Diameter 32982782
Circumference 103618465.62615
Area 8.5440631573048E+14

Sphere

Radius = n
Volume 1.8787131500774E+22
Surface area 3.4176252629219E+15
Circumference 103618465.62615

Square

Length = n
Perimeter 65965564
Area 271965977114881
Diagonal 23322348.814598

Cube

Length = n
Surface area 1631795862689286
Volume 4.4850972672986E+21
Space diagonal 28563927.099484

Equilateral Triangle

Length = n
Perimeter 49474173
Area 1.1776472257327E+14
Altitude 14281963.549742

Triangular Pyramid

Length = n
Surface area 1.1776472257327E+14
Volume 5.2857378199801E+20
Height 7774116.2715325