20999728 (number)

20999728 is an even 8-digits composite number following 20999727 and preceding 20999729. In scientific notation, it is written as 2.0999728 × 10^7. The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors. There are 10381184 positive integers (up to 20999728) that are relatively prime to 20999728.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-nine thousand seven hundred twenty-eight

Notation

Scientific notation 2.0999728 × 10^7
Engineering notation 2.0999728 × 10^6

Prime Factorization of 20999728

Prime Factorization 2 × 2 × 2 × 2 × 89 × 14747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2624966
Product of the distinct prime numbers

The prime factorization of 20999728 is 2 × 2 × 2 × 2 × 89 × 14747. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20999728)

Multiplication

n×y
n×2 41999456
n×3 62999184
n×4 83998912
n×5 104998640

Division

n÷y
n÷2 10499864
n÷3 6999909.3333333
n÷3 5249932
n÷5 4199945.6

Exponentiation

ny
n2 440988576073984
n3 9.260640148661E+21
n4 1.9447092422776E+29
n5 4.0838365126916E+36

Nth Root

y√n
2√n 4582.5460172267
3√n 275.8912264784
4√n 67.694505074095
5√n 29.136859106836

Divisors of 20999728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20999727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20999728 can be divided by 20 positive divisors. The sum of these divisors (counting 20999728) is 1, the average is 0.05.

Base conversion 20999728

Base System Value
2 Binary 1010000000110111000110000
3 Ternary 1110111220012201
4 Quaternary 1100012320300
5 Quinary 20333442403
6 Senary 2030032544
8 Octal 120067060
10 Decimal 20999728
12 Duodecimal 7048754
16 Hexadecimal 1406e30
20 Vigesimal 6b4j68
36 Base36 ci3hs

Cryptographic Hash Functions

md5 6984f57d6031bd64c30128645484f4d9
sha1 99a32a0700045af4273e1d66e59856d47cee2cbb
sha256 5ce40fbb84cf4bc4b643e4bb2ee0de2c1ee8476772b54b268c4c28d990e4bcbf
sha512 3ad32d52ac7d6a21f00928457dec87a85ce2fd5e158cc0d255f486b2812522cdba87902775806ede1af7b92c49566df5347bb1819d6a8043b9f5a501443e3dc2
ripemd-160 d718f82f9e7625b384164a0eaec5506ce0161615

20999728 as geometric shapes

Circle

Radius = n
Diameter 41999456
Circumference 131945182.42437
Area 1.3854064709111E+15

Sphere

Radius = n
Volume 3.8790878744763E+22
Surface area 5.5416258836442E+15
Circumference 131945182.42437

Square

Length = n
Perimeter 83998912
Area 440988576073984
Diagonal 29698100.143746

Cube

Length = n
Surface area 2645931456443904
Volume 9.260640148661E+21
Space diagonal 36372595.841127

Equilateral Triangle

Length = n
Perimeter 62999184
Area 1.909536548294E+14
Altitude 18186297.920563

Triangular Pyramid

Length = n
Surface area 1.909536548294E+14
Volume 1.0913769078744E+21
Height 9899366.714582