20090721 (number)

20090721 is an odd 8-digits composite number following 20090720 and preceding 20090722. In scientific notation, it is written as 2.0090721 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11418624 positive integers (up to 20090721) that are relatively prime to 20090721.

Interesting facts

Basic properties

Name

Name twenty million ninety thousand seven hundred twenty-one

Notation

Scientific notation 2.0090721 × 10^7
Engineering notation 2.0090721 × 10^6

Prime Factorization of 20090721

Prime Factorization 3 × 7 × 193 × 4957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20090721
Product of the distinct prime numbers

The prime factorization of 20090721 is 3 × 7 × 193 × 4957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 77, 22, 820, 603, 1666, 4105, 97130, 75958, 376441, 127210, 2848961, 6366386, 7352193, 36698013, 345745065, 264493290, 4375145488, 55313306

Basic calculations (n = 20090721)

Multiplication

n×y
n×2 40181442
n×3 60272163
n×4 80362884
n×5 100453605

Division

n÷y
n÷2 10045360.5
n÷3 6696907
n÷3 5022680.25
n÷5 4018144.2

Exponentiation

ny
n2 403637070299841
n3 8.1093597646515E+21
n4 1.6292288452024E+29
n5 3.2732382174113E+36

Nth Root

y√n
2√n 4482.2673949688
3√n 271.85156711765
4√n 66.94973782599
5√n 28.880127387222

Divisors of 20090721

1, 3, 7, 21, 193, 579, 1351, 4053, 4957, 14871, 34699, 104097, 956701, 2870103, 6696907, 20090721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20090720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20090721 can be divided by 16 positive divisors. The sum of these divisors (counting 20090721) is 1, the average is 0.0625.

Base conversion 20090721

Base System Value
2 Binary 1001100101000111101100001
3 Ternary 1101210201021210
4 Quaternary 1030220331201
5 Quinary 20120400341
6 Senary 1554340333
8 Octal 114507541
10 Decimal 20090721
12 Duodecimal 688a6a9
16 Hexadecimal 1328f61
20 Vigesimal 65b6g1
36 Base36 bym3l

Cryptographic Hash Functions

md5 3d2f867cfcf991b8801e5b7b72ab7619
sha1 21093f4ec3e2604b3a5cbfb510acf165b9f8bc18
sha256 c6443c3ec5a565fd389698deb89fc2e7cea2296e22618844cc3199d736a3cb69
sha512 701d2c1d22901993624442b54403e34b3120388c93826db534cd4ed1ba1a614d10a758c3c5473aca89e72842aafb4b29cf269b00e7d5b54105dc072f47b7fa0f
ripemd-160 458433d09d685e6f004ccccf39b4258f2c04c343

20090721 as geometric shapes

Circle

Radius = n
Diameter 40181442
Circumference 126233722.99784
Area 1.2680632547705E+15

Sphere

Radius = n
Volume 3.3968406749261E+22
Surface area 5.0722530190819E+15
Circumference 126233722.99784

Square

Length = n
Perimeter 80362884
Area 403637070299841
Diagonal 28412570.116054

Cube

Length = n
Surface area 2421822421799046
Volume 8.1093597646515E+21
Space diagonal 34798149.532691

Equilateral Triangle

Length = n
Perimeter 60272163
Area 1.7477997839439E+14
Altitude 17399074.766346

Triangular Pyramid

Length = n
Surface area 1.7477997839439E+14
Volume 9.556972134444E+20
Height 9470856.7053513