20115621 (number)

20115621 is an odd 8-digits composite number following 20115620 and preceding 20115622. In scientific notation, it is written as 2.0115621 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 12976200 positive integers (up to 20115621) that are relatively prime to 20115621.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand six hundred twenty-one

Notation

Scientific notation 2.0115621 × 10^7
Engineering notation 2.0115621 × 10^6

Prime Factorization of 20115621

Prime Factorization 9 × 9 × 31 × 8011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2235069
Product of the distinct prime numbers

The prime factorization of 20115621 is 9 × 9 × 31 × 8011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115621)

Multiplication

n×y
n×2 40231242
n×3 60346863
n×4 80462484
n×5 100578105

Division

n÷y
n÷2 10057810.5
n÷3 6705207
n÷3 5028905.25
n÷5 4023124.2

Exponentiation

ny
n2 404638208215641
n3 8.1395488385849E+21
n4 1.6373207954796E+29
n5 3.2935724577287E+36

Nth Root

y√n
2√n 4485.0441469399
3√n 271.9638297131
4√n 66.970472201859
5√n 28.887282520525

Divisors of 20115621

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115621 can be divided by 12 positive divisors. The sum of these divisors (counting 20115621) is 1, the average is 0.083333333333333.

Base conversion 20115621

Base System Value
2 Binary 1001100101111000010100101
3 Ternary 1101211222110000
4 Quaternary 1030233002211
5 Quinary 20122144441
6 Senary 1555051513
8 Octal 114570245
10 Decimal 20115621
12 Duodecimal 68a0b99
16 Hexadecimal 132f0a5
20 Vigesimal 65e911
36 Base36 bz5b9

Cryptographic Hash Functions

md5 71b2236f6c5635f7eb3b8ebd94a98f86
sha1 6f6f2fc9579a5c6790352bb12429cbaf187cccd5
sha256 e001d86e02c560103cc819fe815e89e7e5d93885066467dbf04e8a92423586b2
sha512 709aac863ae5e273832178995da25466939af8916774ba53781ba8ae8b6cc295fbe85e0f6160622553f22fbc937e08c350cb60d32ca93a607ddf9d65964fbafb
ripemd-160 86868f572c8359ecea78b69df97db2097349521c

20115621 as geometric shapes

Circle

Radius = n
Diameter 40231242
Circumference 126390174.31199
Area 1.271208422292E+15

Sphere

Radius = n
Volume 3.4094862446445E+22
Surface area 5.084833689168E+15
Circumference 126390174.31199

Square

Length = n
Perimeter 80462484
Area 404638208215641
Diagonal 28447784.033757

Cube

Length = n
Surface area 2427829249293846
Volume 8.1395488385849E+21
Space diagonal 34841277.597799

Equilateral Triangle

Length = n
Perimeter 60346863
Area 1.7521348382828E+14
Altitude 17420638.7989

Triangular Pyramid

Length = n
Surface area 1.7521348382828E+14
Volume 9.5925502992708E+20
Height 9482594.677919