16397721 (number)

16397721 is an odd 8-digits composite number following 16397720 and preceding 16397722. In scientific notation, it is written as 1.6397721 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 10 positive divisors. There are 10931760 positive integers (up to 16397721) that are relatively prime to 16397721.

Interesting facts

Basic properties

Name

Name sixteen million three hundred ninety-seven thousand seven hundred twenty-one

Notation

Scientific notation 1.6397721 × 10^7
Engineering notation 1.6397721 × 10^6

Prime Factorization of 16397721

Prime Factorization 3 × 3 × 9 × 202441

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5465907
Product of the distinct prime numbers

The prime factorization of 16397721 is 3 × 3 × 9 × 202441. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16397721)

Multiplication

n×y
n×2 32795442
n×3 49193163
n×4 65590884
n×5 81988605

Division

n÷y
n÷2 8198860.5
n÷3 5465907
n÷3 4099430.25
n÷5 3279544.2

Exponentiation

ny
n2 268885253993841
n3 4.4091053760051E+21
n4 7.2299279815332E+28
n5 1.1855434189128E+36

Nth Root

y√n
2√n 4049.4099570184
3√n 254.0550493451
4√n 63.634974322447
5√n 27.730436038739

Divisors of 16397721

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16397720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16397721 can be divided by 10 positive divisors. The sum of these divisors (counting 16397721) is 1, the average is 0.1.

Base conversion 16397721

Base System Value
2 Binary 111110100011010110011001
3 Ternary 1010212002110000
4 Quaternary 332203112121
5 Quinary 13144211341
6 Senary 1343243213
8 Octal 76432631
10 Decimal 16397721
12 Duodecimal 55a9509
16 Hexadecimal fa3599
20 Vigesimal 529e61
36 Base36 9rgk9

Cryptographic Hash Functions

md5 7d3c32c97560eb252c02e5b5c54897bc
sha1 c507bbd5425a8317e48065db363fd942b0819a5c
sha256 d44b78bf319004dfa003902cd3556ba895b2edd0ea750ff8b51e96ad6987b560
sha512 9db4b65c151b56a6592d442ee789f14da060e1cdeaf058b15a916ae4c2affc966e890f41452b3ae15dea52054131266885839cc678e0a039c10ca56499cfd784
ripemd-160 159a9dc4f2e268f1e6670bc19fa41a1bb8b488ac

16397721 as geometric shapes

Circle

Radius = n
Diameter 32795442
Circumference 103029919.65843
Area 8.4472793860568E+14

Sphere

Radius = n
Volume 1.8468817410881E+22
Surface area 3.3789117544227E+15
Circumference 103029919.65843

Square

Length = n
Perimeter 65590884
Area 268885253993841
Diagonal 23189879.43021

Cube

Length = n
Surface area 1613311523963046
Volume 4.4091053760051E+21
Space diagonal 28401685.900339

Equilateral Triangle

Length = n
Perimeter 49193163
Area 1.1643073033085E+14
Altitude 14200842.95017

Triangular Pyramid

Length = n
Surface area 1.1643073033085E+14
Volume 5.1961805172322E+20
Height 7729959.81007