16405905 (number)

16405905 is an odd 8-digits composite number following 16405904 and preceding 16405906. In scientific notation, it is written as 1.6405905 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 8671488 positive integers (up to 16405905) that are relatively prime to 16405905.

Interesting facts

Basic properties

Name

Name sixteen million four hundred five thousand nine hundred five

Notation

Scientific notation 1.6405905 × 10^7
Engineering notation 1.6405905 × 10^6

Prime Factorization of 16405905

Prime Factorization 3 × 5 × 113 × 9679

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16405905
Product of the distinct prime numbers

The prime factorization of 16405905 is 3 × 5 × 113 × 9679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 85, 13, 473, 381, 7092, 2137, 92700, 96587, 311166, 749012, 2427205, 8040159, 13248201, 6082884, 429538073, 833429272, 2194137585, 123265919

Basic calculations (n = 16405905)

Multiplication

n×y
n×2 32811810
n×3 49217715
n×4 65623620
n×5 82029525

Division

n÷y
n÷2 8202952.5
n÷3 5468635
n÷3 4101476.25
n÷5 3281181

Exponentiation

ny
n2 269153718869025
n3 4.4157103421619E+21
n4 7.2443724381026E+28
n5 1.1885048600413E+36

Nth Root

y√n
2√n 4050.4203485564
3√n 254.09730807761
4√n 63.642912791264
5√n 27.733203503744

Divisors of 16405905

1, 3, 5, 15, 113, 339, 565, 1695, 9679, 29037, 48395, 145185, 1093727, 3281181, 5468635, 16405905

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 -16405904
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 16405905 can be divided by 16 positive divisors. The sum of these divisors (counting 16405905) is 1, the average is 0.0625.

Base conversion 16405905

Base System Value
2 Binary 111110100101010110010001
3 Ternary 1010212111200010
4 Quaternary 332211112101
5 Quinary 13144442110
6 Senary 1343345133
8 Octal 76452621
10 Decimal 16405905
12 Duodecimal 55b21a9
16 Hexadecimal fa5591
20 Vigesimal 52aef5
36 Base36 9rmvl

Cryptographic Hash Functions

md5 56ac09a91033f2d7db26c47431f0c8e5
sha1 1df362e88b5c46c0ff33b2a63f2bfba1a2483e79
sha256 03c767c5a01e7c9083cfb0a087d4e9fdee2920f4a7d2fa586bd913d1d0b8d314
sha512 21f5491e9c250e06714c01a2b1e54894d82cbce77d6bf990e3dac046f011548a1e3df936bc6ce2286fcde4a28ca3708db8888675fca35a11113044400f544851
ripemd-160 7753f513055213047096b735c025e62a4135c149

16405905 as geometric shapes

Circle

Radius = n
Diameter 32811810
Circumference 103081341.24698
Area 8.455713458853E+14

Sphere

Radius = n
Volume 1.8496484228422E+22
Surface area 3.3822853835412E+15
Circumference 103081341.24698

Square

Length = n
Perimeter 65623620
Area 269153718869025
Diagonal 23201453.354005

Cube

Length = n
Surface area 1614922313214150
Volume 4.4157103421619E+21
Space diagonal 28415861.004148

Equilateral Triangle

Length = n
Perimeter 49217715
Area 1.1654697903182E+14
Altitude 14207930.502074

Triangular Pyramid

Length = n
Surface area 1.1654697903182E+14
Volume 5.2039645444971E+20
Height 7733817.7846682