16491387 (number)

16491387 is an odd 8-digits composite number following 16491386 and preceding 16491388. In scientific notation, it is written as 1.6491387 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 9994760 positive integers (up to 16491387) that are relatively prime to 16491387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6491387 × 10^7
Engineering notation 1.6491387 × 10^6

Prime Factorization of 16491387

Prime Factorization 3 × 11 × 499739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16491387
Product of the distinct prime numbers

The prime factorization of 16491387 is 3 × 11 × 499739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16491387)

Multiplication

n×y
n×2 32982774
n×3 49474161
n×4 65965548
n×5 82456935

Division

n÷y
n÷2 8245693.5
n÷3 5497129
n÷3 4122846.75
n÷5 3298277.4

Exponentiation

ny
n2 271965845183769
n3 4.4850940037076E+21
n4 7.3965420946522E+28
n5 1.219792381447E+36

Nth Root

y√n
2√n 4060.9588769156
3√n 254.53786347569
4√n 63.725653209015
5√n 27.762043901844

Divisors of 16491387

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 -16491386
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 16491387 can be divided by 8 positive divisors. The sum of these divisors (counting 16491387) is 1, the average is 0.125.

Base conversion 16491387

Base System Value
2 Binary 111110111010001101111011
3 Ternary 1011000211221010
4 Quaternary 332322031323
5 Quinary 13210211022
6 Senary 1345245003
8 Octal 76721573
10 Decimal 16491387
12 Duodecimal 5633763
16 Hexadecimal fba37b
20 Vigesimal 531897
36 Base36 9tgu3

Cryptographic Hash Functions

md5 dd58aea1883efa101ca292eb9d512593
sha1 57e595e8a0a3a020c50fd95dd02dce9b20203a54
sha256 8fbc09f5146d4d1e9436f5ba38b78f1e6c0978f62be00d30fb8976c24986b02f
sha512 6c075a290066c125d642f004df616a1c504e5a48f770c51b35b9e9e0f6af1e332dcafd1dcf25f2d3d30eb22b6e742f2f8e052b16b928df5b9e6b3c00adc264e5
ripemd-160 f1e64d1df12fa04b0a2d6dd8712a6ac11c18c435

16491387 as geometric shapes

Circle

Radius = n
Diameter 32982774
Circumference 103618440.49341
Area 8.5440590125667E+14

Sphere

Radius = n
Volume 1.8787117830277E+22
Surface area 3.4176236050267E+15
Circumference 103618440.49341

Square

Length = n
Perimeter 65965548
Area 271965845183769
Diagonal 23322343.157743

Cube

Length = n
Surface area 1631795071102614
Volume 4.4850940037076E+21
Space diagonal 28563920.171281

Equilateral Triangle

Length = n
Perimeter 49474161
Area 1.1776466544542E+14
Altitude 14281960.08564

Triangular Pyramid

Length = n
Surface area 1.1776466544542E+14
Volume 5.2857339738013E+20
Height 7774114.3859145