16405945 (number)

16405945 is an odd 8-digits composite number following 16405944 and preceding 16405946. In scientific notation, it is written as 1.6405945 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 12707200 positive integers (up to 16405945) that are relatively prime to 16405945.

Interesting facts

Basic properties

Name

Name sixteen million four hundred five thousand nine hundred forty-five

Notation

Scientific notation 1.6405945 × 10^7
Engineering notation 1.6405945 × 10^6

Prime Factorization of 16405945

Prime Factorization 5 × 17179 × 191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16405945
Product of the distinct prime numbers

The prime factorization of 16405945 is 5 × 17179 × 191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16405945)

Multiplication

n×y
n×2 32811890
n×3 49217835
n×4 65623780
n×5 82029725

Division

n÷y
n÷2 8202972.5
n÷3 5468648.3333333
n÷3 4101486.25
n÷5 3281189

Exponentiation

ny
n2 269155031343025
n3 4.4157426406869E+21
n4 7.2444430897265E+28
n5 1.1885193488568E+36

Nth Root

y√n
2√n 4050.4252863125
3√n 254.09751458627
4√n 63.642951583915
5√n 27.733217027254

Divisors of 16405945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16405944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16405945 can be divided by 8 positive divisors. The sum of these divisors (counting 16405945) is 1, the average is 0.125.

Base conversion 16405945

Base System Value
2 Binary 111110100101010110111001
3 Ternary 1010212111201121
4 Quaternary 332211112321
5 Quinary 13144442240
6 Senary 1343345241
8 Octal 76452671
10 Decimal 16405945
12 Duodecimal 55b2221
16 Hexadecimal fa55b9
20 Vigesimal 52aeh5
36 Base36 9rmwp

Cryptographic Hash Functions

md5 8ef7c8f852b436b4fd5faec47a724014
sha1 2fd0ca13d40560778cd340936421dfadfa714f05
sha256 72674ce7a506b68f14f9fc972380b869586cb24806dfe1f3e0b5601ef961d29a
sha512 9144f8ac06e5fab3d65ddbe2cdd2ed9a3bb7584487f2ce55d4830331bde6075e5a8c7f1c60f1cc566b66b3e8f51c46df1867714fb65094364bc01fe982ac301a
ripemd-160 d1edc7cece35c7fa7b0c1e0de7bf4747a5b9bfc1

16405945 as geometric shapes

Circle

Radius = n
Diameter 32811890
Circumference 103081592.5744
Area 8.4557546914398E+14

Sphere

Radius = n
Volume 1.8496619520167E+22
Surface area 3.3823018765759E+15
Circumference 103081592.5744

Square

Length = n
Perimeter 65623780
Area 269155031343025
Diagonal 23201509.922547

Cube

Length = n
Surface area 1614930188058150
Volume 4.4157426406869E+21
Space diagonal 28415930.286181

Equilateral Triangle

Length = n
Perimeter 49217835
Area 1.1654754734973E+14
Altitude 14207965.14309

Triangular Pyramid

Length = n
Surface area 1.1654754734973E+14
Volume 5.2040026086739E+20
Height 7733836.640849