16642945 (number)

16642945 is an odd 8-digits composite number following 16642944 and preceding 16642946. In scientific notation, it is written as 1.6642945 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 12103520 positive integers (up to 16642945) that are relatively prime to 16642945.

Interesting facts

Basic properties

Name

Name sixteen million six hundred forty-two thousand nine hundred forty-five

Notation

Scientific notation 1.6642945 × 10^7
Engineering notation 1.6642945 × 10^6

Prime Factorization of 16642945

Prime Factorization 55 × 11 × 27509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16642945
Product of the distinct prime numbers

The prime factorization of 16642945 is 55 × 11 × 27509. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16642945)

Multiplication

n×y
n×2 33285890
n×3 49928835
n×4 66571780
n×5 83214725

Division

n÷y
n÷2 8321472.5
n÷3 5547648.3333333
n÷3 4160736.25
n÷5 3328589

Exponentiation

ny
n2 276987618273025
n3 4.609889696599E+21
n4 7.6722140676563E+28
n5 1.2768823675623E+36

Nth Root

y√n
2√n 4079.5765711652
3√n 255.31523234413
4√n 63.871563086911
5√n 27.81288471205

Divisors of 16642945

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 -16642944
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 16642945 can be divided by 8 positive divisors. The sum of these divisors (counting 16642945) is 1, the average is 0.125.

Base conversion 16642945

Base System Value
2 Binary 111111011111001110000001
3 Ternary 1011022112211101
4 Quaternary 333133032001
5 Quinary 13230033240
6 Senary 1352414401
8 Octal 77371601
10 Decimal 16642945
12 Duodecimal 56a7401
16 Hexadecimal fdf381
20 Vigesimal 540775
36 Base36 9wps1

Cryptographic Hash Functions

md5 0cf3d3befb8daf54ea87f2780c7ed852
sha1 d24b554c9e3cd81906c17d73ed64f519029efb81
sha256 155cf96c0fa60ea745e650ed7dbaa670dc73860036df7bffb2367de05bfc5932
sha512 b9c5c04b3921b1fac3f4650a3f47f4718292301dbe7ab90204ae6ae3c4fda2433101ec72cafc8860d5fc4f51662e9a04ffaa1cb22529ff3543f08c50eaa79aa4
ripemd-160 f01b2561af02a4fb40893d7822438f9e3ffe66ca

16642945 as geometric shapes

Circle

Radius = n
Diameter 33285890
Circumference 104570707.4922
Area 8.7018226670187E+14

Sphere

Radius = n
Volume 1.9309860806259E+22
Surface area 3.4807290668075E+15
Circumference 104570707.4922

Square

Length = n
Perimeter 66571780
Area 276987618273025
Diagonal 23536678.536829

Cube

Length = n
Surface area 1661925709638150
Volume 4.609889696599E+21
Space diagonal 28826426.327574

Equilateral Triangle

Length = n
Perimeter 49928835
Area 1.1993915697909E+14
Altitude 14413213.163787

Triangular Pyramid

Length = n
Surface area 1.1993915697909E+14
Volume 5.4328071083119E+20
Height 7845559.5122765