16656491 (number)

16656491 is an odd 8-digits composite number following 16656490 and preceding 16656492. In scientific notation, it is written as 1.6656491 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 16645872 positive integers (up to 16656491) that are relatively prime to 16656491.

Interesting facts

Basic properties

Name

Name sixteen million six hundred fifty-six thousand four hundred ninety-one

Notation

Scientific notation 1.6656491 × 10^7
Engineering notation 1.6656491 × 10^6

Prime Factorization of 16656491

Prime Factorization 1913 × 8707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16656491
Product of the distinct prime numbers

The prime factorization of 16656491 is 1913 × 8707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16656491)

Multiplication

n×y
n×2 33312982
n×3 49969473
n×4 66625964
n×5 83282455

Division

n÷y
n÷2 8328245.5
n÷3 5552163.6666667
n÷3 4164122.75
n÷5 3331298.2

Exponentiation

ny
n2 277438692433081
n3 4.6211550835634E+21
n4 7.6972228058978E+28
n5 1.2820872239143E+36

Nth Root

y√n
2√n 4081.2364548014
3√n 255.38448215236
4√n 63.884555682899
5√n 27.817410722772

Divisors of 16656491

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16656490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16656491 can be divided by 4 positive divisors. The sum of these divisors (counting 16656491) is 1, the average is 0.25.

Base conversion 16656491

Base System Value
2 Binary 111111100010100001101011
3 Ternary 1011100020102002
4 Quaternary 333202201223
5 Quinary 13231001431
6 Senary 1353001215
8 Octal 77424153
10 Decimal 16656491
12 Duodecimal 56b320b
16 Hexadecimal fe286b
20 Vigesimal 54214b
36 Base36 9x08b

Cryptographic Hash Functions

md5 f7d1ad01f6d4ed2c9b8dcd04671ad940
sha1 0423dea501c241599bea2e22ac9e38be34b0a4bc
sha256 39db257a6f9a86eeb4458e93038880ce1071a72bc1e6bd2abac32dad49bae314
sha512 8f88add216cef39874c080ec6bfac2e4c0546d54e76191b14ffbcbdc6f6b65dfb54b7705862d51fe3a63f13c06e934b48b7bd388a0b5efdbab91b6f0043afc2f
ripemd-160 2f18f7611926b7f8fc077589237e7ea4cc9f7780

16656491 as geometric shapes

Circle

Radius = n
Diameter 33312982
Circumference 104655819.52037
Area 8.7159935796933E+14

Sphere

Radius = n
Volume 1.9357049148829E+22
Surface area 3.4863974318773E+15
Circumference 104655819.52037

Square

Length = n
Perimeter 66625964
Area 277438692433081
Diagonal 23555835.473745

Cube

Length = n
Surface area 1664632154598486
Volume 4.6211550835634E+21
Space diagonal 28849888.687814

Equilateral Triangle

Length = n
Perimeter 49969473
Area 1.2013447781989E+14
Altitude 14424944.343907

Triangular Pyramid

Length = n
Surface area 1.2013447781989E+14
Volume 5.4460834941706E+20
Height 7851945.1579151