16405978 (number)

16405978 is an even 8-digits composite number following 16405977 and preceding 16405979. In scientific notation, it is written as 1.6405978 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 8202988 positive integers (up to 16405978) that are relatively prime to 16405978.

Interesting facts

Basic properties

Name

Name sixteen million four hundred five thousand nine hundred seventy-eight

Notation

Scientific notation 1.6405978 × 10^7
Engineering notation 1.6405978 × 10^6

Prime Factorization of 16405978

Prime Factorization 2 × 8202989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16405978
Product of the distinct prime numbers

The prime factorization of 16405978 is 2 × 8202989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16405978)

Multiplication

n×y
n×2 32811956
n×3 49217934
n×4 65623912
n×5 82029890

Division

n÷y
n÷2 8202989
n÷3 5468659.3333333
n÷3 4101494.5
n÷5 3281195.6

Exponentiation

ny
n2 269156114136484
n3 4.4157692870886E+21
n4 7.2445013777052E+28
n5 1.188531302236E+36

Nth Root

y√n
2√n 4050.4293599568
3√n 254.09768495565
4√n 63.642983587799
5√n 27.733228184129

Divisors of 16405978

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 -16405977
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 16405978 can be divided by 4 positive divisors. The sum of these divisors (counting 16405978) is 1, the average is 0.25.

Base conversion 16405978

Base System Value
2 Binary 111110100101010111011010
3 Ternary 1010212111202211
4 Quaternary 332211113122
5 Quinary 13144442403
6 Senary 1343345334
8 Octal 76452732
10 Decimal 16405978
12 Duodecimal 55b224a
16 Hexadecimal fa55da
20 Vigesimal 52aeii
36 Base36 9rmxm

Cryptographic Hash Functions

md5 1d9f423abcf970f3222c3963f843f736
sha1 8ab77057409cf29163463aebec6d3acd55d32e27
sha256 1fdc712de45a55376c61cde2408354780f52b8516fd9b6ec5f2c927d56e21c74
sha512 4bf7166ce597298804f265e3a7181d35151c79ecd4a9de45ffafab8afef0258d85d6821681727554d8f0ab757bbd973c828413844d5936b2664553cfba4bea8d
ripemd-160 14bdaf7ef458ef058556bb119d4c0618fc52fc2b

16405978 as geometric shapes

Circle

Radius = n
Diameter 32811956
Circumference 103081799.91951
Area 8.4557887083995E+14

Sphere

Radius = n
Volume 1.8496731136354E+22
Surface area 3.3823154833598E+15
Circumference 103081799.91951

Square

Length = n
Perimeter 65623912
Area 269156114136484
Diagonal 23201556.591595

Cube

Length = n
Surface area 1614936684818904
Volume 4.4157692870886E+21
Space diagonal 28415987.443857

Equilateral Triangle

Length = n
Perimeter 49217934
Area 1.1654801621305E+14
Altitude 14207993.721929

Triangular Pyramid

Length = n
Surface area 1.1654801621305E+14
Volume 5.2040340117594E+20
Height 7733852.1971982