16403981 (number)

16403981 is an odd 8-digits composite number following 16403980 and preceding 16403982. In scientific notation, it is written as 1.6403981 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 14912700 positive integers (up to 16403981) that are relatively prime to 16403981.

Interesting facts

Basic properties

Name

Name sixteen million four hundred three thousand nine hundred eighty-one

Notation

Scientific notation 1.6403981 × 10^7
Engineering notation 1.6403981 × 10^6

Prime Factorization of 16403981

Prime Factorization 11 × 1491271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16403981
Product of the distinct prime numbers

The prime factorization of 16403981 is 11 × 1491271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16403981)

Multiplication

n×y
n×2 32807962
n×3 49211943
n×4 65615924
n×5 82019905

Division

n÷y
n÷2 8201990.5
n÷3 5467993.6666667
n÷3 4100995.25
n÷5 3280796.2

Exponentiation

ny
n2 269090592648361
n3 4.4141569690825E+21
n4 7.2409747051846E+28
n5 1.1878081148533E+36

Nth Root

y√n
2√n 4050.1828353792
3√n 254.08737461497
4√n 63.641046780982
5√n 27.732552991788

Divisors of 16403981

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 -16403980
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 16403981 can be divided by 4 positive divisors. The sum of these divisors (counting 16403981) is 1, the average is 0.25.

Base conversion 16403981

Base System Value
2 Binary 111110100100111000001101
3 Ternary 1010212102000212
4 Quaternary 332210320031
5 Quinary 13144411411
6 Senary 1343332205
8 Octal 76447015
10 Decimal 16403981
12 Duodecimal 55b1065
16 Hexadecimal fa4e0d
20 Vigesimal 52a9j1
36 Base36 9rle5

Cryptographic Hash Functions

md5 bf62eb2323bb7cd60dfdc0a4d31d3b3f
sha1 f04cb8b501de3476943f052ae423cd94f2b0b893
sha256 f56f43812e4cfeb0bb2c86565933634ad1da8f5835ab16477e35ec4eabf51e60
sha512 cfd92af8bdb3add82595ad190961345815ef356e9985f663fb512a2da80b26094a8432e57459487881a0a3292a247aa0c07e50d8e69f60340e8eba4c00f5f213
ripemd-160 d369512f5d78b8e44f6da1e4fcfc3555acd07460

16403981 as geometric shapes

Circle

Radius = n
Diameter 32807962
Circumference 103069252.39845
Area 8.4537302901421E+14

Sphere

Radius = n
Volume 1.8489977474482E+22
Surface area 3.3814921160569E+15
Circumference 103069252.39845

Square

Length = n
Perimeter 65615924
Area 269090592648361
Diagonal 23198732.407111

Cube

Length = n
Surface area 1614543555890166
Volume 4.4141569690825E+21
Space diagonal 28412528.538395

Equilateral Triangle

Length = n
Perimeter 49211943
Area 1.1651964457645E+14
Altitude 14206264.269197

Triangular Pyramid

Length = n
Surface area 1.1651964457645E+14
Volume 5.2021338767668E+20
Height 7732910.8023702