16657921 (number)

16657921 is an odd 8-digits composite number following 16657920 and preceding 16657922. In scientific notation, it is written as 1.6657921 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 14278212 positive integers (up to 16657921) that are relatively prime to 16657921.

Interesting facts

Basic properties

Name

Name sixteen million six hundred fifty-seven thousand nine hundred twenty-one

Notation

Scientific notation 1.6657921 × 10^7
Engineering notation 1.6657921 × 10^6

Prime Factorization of 16657921

Prime Factorization 7 × 2379703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16657921
Product of the distinct prime numbers

The prime factorization of 16657921 is 7 × 2379703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16657921)

Multiplication

n×y
n×2 33315842
n×3 49973763
n×4 66631684
n×5 83289605

Division

n÷y
n÷2 8328960.5
n÷3 5552640.3333333
n÷3 4164480.25
n÷5 3331584.2

Exponentiation

ny
n2 277486332042241
n3 4.6223453977394E+21
n4 7.6998664470257E+28
n5 1.282637669851E+36

Nth Root

y√n
2√n 4081.411643047
3√n 255.39179040151
4√n 63.885926799625
5√n 27.817888344755

Divisors of 16657921

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 -16657920
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 16657921 can be divided by 4 positive divisors. The sum of these divisors (counting 16657921) is 1, the average is 0.25.

Base conversion 16657921

Base System Value
2 Binary 111111100010111000000001
3 Ternary 1011100022101001
4 Quaternary 333202320001
5 Quinary 13231023141
6 Senary 1353012001
8 Octal 77427001
10 Decimal 16657921
12 Duodecimal 56b4001
16 Hexadecimal fe2e01
20 Vigesimal 5424g1
36 Base36 9x1c1

Cryptographic Hash Functions

md5 7fe310f8fbd27fa02be6820723287721
sha1 ed73e6271c2d707f6bc14259c16aaa580f45291a
sha256 55b6d75dae02eef1f6301d89fdea890c5a16bb89642f80a6f1c0a454d32e4b0f
sha512 e1c7e3e10aebb000188fbc451ed078b84492b35cbd8b907f4fef19fa84a13b4cf82c04c98ffb2915e4a6a9cd825b06718a79aabab11f48fe0d105c7577097eb0
ripemd-160 0c5dd90cbf25828db814638082bfe23fc10fcd44

16657921 as geometric shapes

Circle

Radius = n
Diameter 33315842
Circumference 104664804.47536
Area 8.7174902221548E+14

Sphere

Radius = n
Volume 1.936203512519E+22
Surface area 3.4869960888619E+15
Circumference 104664804.47536

Square

Length = n
Perimeter 66631684
Area 277486332042241
Diagonal 23557857.79914

Cube

Length = n
Surface area 1664917992253446
Volume 4.6223453977394E+21
Space diagonal 28852365.520469

Equilateral Triangle

Length = n
Perimeter 49973763
Area 1.2015510637577E+14
Altitude 14426182.760234

Triangular Pyramid

Length = n
Surface area 1.2015510637577E+14
Volume 5.44748629288E+20
Height 7852619.2663799