16661491 (number)

16661491 is an odd 8-digits composite number following 16661490 and preceding 16661492. In scientific notation, it is written as 1.6661491 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 12888000 positive integers (up to 16661491) that are relatively prime to 16661491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6661491 × 10^7
Engineering notation 1.6661491 × 10^6

Prime Factorization of 16661491

Prime Factorization 7 × 11 × 151 × 1433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16661491
Product of the distinct prime numbers

The prime factorization of 16661491 is 7 × 11 × 151 × 1433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 71, 79, 137, 117, 4031, 4224, 60098, 81355, 93115, 314989, 3500709, 7124877, 27426806, 12407247, 652088573, 782146308, 3434918934, 9772515237

Basic calculations (n = 16661491)

Multiplication

n×y
n×2 33322982
n×3 49984473
n×4 66645964
n×5 83307455

Division

n÷y
n÷2 8330745.5
n÷3 5553830.3333333
n÷3 4165372.75
n÷5 3332298.2

Exponentiation

ny
n2 277605282343081
n3 4.6253179133117E+21
n4 7.7064692784782E+28
n5 1.2840126852514E+36

Nth Root

y√n
2√n 4081.8489682986
3√n 255.4100336458
4√n 63.889349412078
5√n 27.819080586562

Divisors of 16661491

1, 7, 11, 77, 151, 1057, 1433, 1661, 10031, 11627, 15763, 110341, 216383, 1514681, 2380213, 16661491

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16661490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16661491 can be divided by 16 positive divisors. The sum of these divisors (counting 16661491) is 1, the average is 0.0625.

Base conversion 16661491

Base System Value
2 Binary 111111100011101111110011
3 Ternary 1011100111021021
4 Quaternary 333203233303
5 Quinary 13231131431
6 Senary 1353040311
8 Octal 77435763
10 Decimal 16661491
12 Duodecimal 56b6097
16 Hexadecimal fe3bf3
20 Vigesimal 542deb
36 Base36 9x437

Cryptographic Hash Functions

md5 5fb4e732cde708a71975a1baa6ee0519
sha1 222209d388c8c6e531cdc88e7c9cce43f487bfca
sha256 e52b5ba6ce617606d305d4989269f88ad6a6fd8a304f07f821ce938059b22ce3
sha512 340c791faea9c740d3b54532977c57727e700521678fa67bc93882fbd6bf4c7b1abc3dcf4694c7bf10b7211b9f108ca2573dbdaac2ee6b91a5fc39d31dac1815
ripemd-160 e46215d0f87fc62303e2d90e599d9e2030638266

16661491 as geometric shapes

Circle

Radius = n
Diameter 33322982
Circumference 104687235.4469
Area 8.7212271560674E+14

Sphere

Radius = n
Volume 1.9374486369303E+22
Surface area 3.488490862427E+15
Circumference 104687235.4469

Square

Length = n
Perimeter 66645964
Area 277605282343081
Diagonal 23562906.541557

Cube

Length = n
Surface area 1665631694058486
Volume 4.6253179133117E+21
Space diagonal 28858548.941852

Equilateral Triangle

Length = n
Perimeter 49984473
Area 1.2020661336693E+14
Altitude 14429274.470926

Triangular Pyramid

Length = n
Surface area 1.2020661336693E+14
Volume 5.4509894360772E+20
Height 7854302.1805191