16391431 (number)

16391431 is an odd 8-digits composite number following 16391430 and preceding 16391432. In scientific notation, it is written as 1.6391431 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 13638240 positive integers (up to 16391431) that are relatively prime to 16391431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6391431 × 10^7
Engineering notation 1.6391431 × 10^6

Prime Factorization of 16391431

Prime Factorization 49 × 41 × 41 × 199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 399791
Product of the distinct prime numbers

The prime factorization of 16391431 is 49 × 41 × 41 × 199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 23, 45, 675, 934, 2649, 9241, 50851, 54551, 850739, 749459, 1417129, 424828, 64380450, 62130566, 65146057, 473116191, 6407528810, 6107751633

Basic calculations (n = 16391431)

Multiplication

n×y
n×2 32782862
n×3 49174293
n×4 65565724
n×5 81957155

Division

n÷y
n÷2 8195715.5
n÷3 5463810.3333333
n÷3 4097857.75
n÷5 3278286.2

Exponentiation

ny
n2 268679010227761
n3 4.4040334572966E+21
n4 7.2188410536969E+28
n5 1.1832713503164E+36

Nth Root

y√n
2√n 4048.6332261641
3√n 254.02256087449
4√n 63.628871011233
5√n 27.728308289257

Divisors of 16391431

1, 41, 49, 199, 1681, 2009, 8159, 9751, 82369, 334519, 399791, 16391431

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16391430
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16391431 can be divided by 12 positive divisors. The sum of these divisors (counting 16391431) is 1, the average is 0.083333333333333.

Base conversion 16391431

Base System Value
2 Binary 111110100001110100000111
3 Ternary 1010211202211001
4 Quaternary 332201310013
5 Quinary 13144011211
6 Senary 1343154131
8 Octal 76416407
10 Decimal 16391431
12 Duodecimal 55a5947
16 Hexadecimal fa1d07
20 Vigesimal 528ibb
36 Base36 9rbpj

Cryptographic Hash Functions

md5 a2dac32d71e8ae4e5eaae6bec30df7e9
sha1 aea01f212de8d8775c48c6061238ad2ca2d0e520
sha256 0c3b1538bf4ba9c7cf5b82e3fc57695ed9306e51ef0c8c9b5b876845ce1004e3
sha512 b1b58e75788bdf757c856715a874bfe360f750896d42fdfcff7ca7e20001b25c2c4ca75203f087b9228e4e9c2061c37da0d65c41df3c68d2cca35d88bbd679b9
ripemd-160 c333a7cb317d987963c1b88c1f5c5cdc89a6ad94

16391431 as geometric shapes

Circle

Radius = n
Diameter 32782862
Circumference 102990398.42285
Area 8.4408000470531E+14

Sphere

Radius = n
Volume 1.8447572207476E+22
Surface area 3.3763200188212E+15
Circumference 102990398.42285

Square

Length = n
Perimeter 65565724
Area 268679010227761
Diagonal 23180984.026903

Cube

Length = n
Surface area 1612074061366566
Volume 4.4040334572966E+21
Space diagonal 28390791.30076

Equilateral Triangle

Length = n
Perimeter 49174293
Area 1.1634142416045E+14
Altitude 14195395.65038

Triangular Pyramid

Length = n
Surface area 1.1634142416045E+14
Volume 5.1902032037115E+20
Height 7726994.6756343