16391531 (number)

16391531 is an odd 8-digits composite number following 16391530 and preceding 16391532. In scientific notation, it is written as 1.6391531 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 15130632 positive integers (up to 16391531) that are relatively prime to 16391531.

Interesting facts

Basic properties

Name

Name sixteen million three hundred ninety-one thousand five hundred thirty-one

Notation

Scientific notation 1.6391531 × 10^7
Engineering notation 1.6391531 × 10^6

Prime Factorization of 16391531

Prime Factorization 13 × 1260887

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16391531
Product of the distinct prime numbers

The prime factorization of 16391531 is 13 × 1260887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16391531)

Multiplication

n×y
n×2 32783062
n×3 49174593
n×4 65566124
n×5 81957655

Division

n÷y
n÷2 8195765.5
n÷3 5463843.6666667
n÷3 4097882.75
n÷5 3278306.2

Exponentiation

ny
n2 268682288523961
n3 4.4041140614915E+21
n4 7.2190172166473E+28
n5 1.1833074449621E+36

Nth Root

y√n
2√n 4048.645575992
3√n 254.02307744937
4√n 63.628968056948
5√n 27.728342121862

Divisors of 16391531

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 -16391530
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 16391531 can be divided by 4 positive divisors. The sum of these divisors (counting 16391531) is 1, the average is 0.25.

Base conversion 16391531

Base System Value
2 Binary 111110100001110101101011
3 Ternary 1010211202221202
4 Quaternary 332201311223
5 Quinary 13144012111
6 Senary 1343154415
8 Octal 76416553
10 Decimal 16391531
12 Duodecimal 55a5a0b
16 Hexadecimal fa1d6b
20 Vigesimal 528igb
36 Base36 9rbsb

Cryptographic Hash Functions

md5 e2a51a57902c9ea5562a645556bb3aa7
sha1 53144586b0b3d6154e07b65471806396f0b7d858
sha256 6fcaaa4ca7097411257ff98dbbb7e4729d6548573084cc04dde537bf426d1566
sha512 d11e07600cd11140c8465214f1dc5fc902d44c7a60e328324bc1b16ab6db42f1150c7f9871d116eb01349bb199ea8a3db06160d4c083769811728210ad360a2a
ripemd-160 b5883b5c8be7a6818d4f4ee42ee24d4d407e2fd0

16391531 as geometric shapes

Circle

Radius = n
Diameter 32783062
Circumference 102991026.74138
Area 8.4409030377657E+14

Sphere

Radius = n
Volume 1.8447909841537E+22
Surface area 3.3763612151063E+15
Circumference 102991026.74138

Square

Length = n
Perimeter 65566124
Area 268682288523961
Diagonal 23181125.448259

Cube

Length = n
Surface area 1612093731143766
Volume 4.4041140614915E+21
Space diagonal 28390964.50584

Equilateral Triangle

Length = n
Perimeter 49174593
Area 1.1634284370435E+14
Altitude 14195482.25292

Triangular Pyramid

Length = n
Surface area 1.1634284370435E+14
Volume 5.1902981966661E+20
Height 7727041.8160863