20621875 (number)

20621875 is an odd 8-digits composite number following 20621874 and preceding 20621876. In scientific notation, it is written as 2.0621875 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16495000 positive integers (up to 20621875) that are relatively prime to 20621875.

Interesting facts

Basic properties

Name

Name twenty million six hundred twenty-one thousand eight hundred seventy-five

Notation

Scientific notation 2.0621875 × 10^7
Engineering notation 2.0621875 × 10^6

Prime Factorization of 20621875

Prime Factorization 3125 × 6599

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20621875
Product of the distinct prime numbers

The prime factorization of 20621875 is 3125 × 6599. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20621875)

Multiplication

n×y
n×2 41243750
n×3 61865625
n×4 82487500
n×5 103109375

Division

n÷y
n÷2 10310937.5
n÷3 6873958.3333333
n÷3 5155468.75
n÷5 4124375

Exponentiation

ny
n2 425261728515625
n3 8.7696942077332E+21
n4 1.808475377401E+29
n5 3.7294153173341E+36

Nth Root

y√n
2√n 4541.1314669364
3√n 274.22647640045
4√n 67.387917811255
5√n 29.031242936601

Divisors of 20621875

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 -20621874
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 20621875 can be divided by 4 positive divisors. The sum of these divisors (counting 20621875) is 1, the average is 0.25.

Base conversion 20621875

Base System Value
2 Binary 1001110101010101000110011
3 Ternary 1102210200220011
4 Quaternary 1032222220303
5 Quinary 20234400000
6 Senary 2013555351
8 Octal 116525063
10 Decimal 20621875
12 Duodecimal 6aa5b57
16 Hexadecimal 13aaa33
20 Vigesimal 68hedf
36 Base36 c9zxv

Cryptographic Hash Functions

md5 14017ffe14b94ec76a35d17a085e3979
sha1 9a5888601fcd418211ab9c09b38cfac6164dd9ae
sha256 0075592e8f45baba94eac662a454ae2963c914d239197b74cf71d3da1ca8d795
sha512 7b407a1446897dd190509b55de8392d9d4be964b16209f4a7d62ffa81bcc71efb09bd6afc264c15a359d47acc28a8ea056fbaa4bd4db9eec0ea7f6d3e40c5831
ripemd-160 581155abf3ce95892617c9de91ed7842532a081a

20621875 as geometric shapes

Circle

Radius = n
Diameter 41243750
Circumference 129571062.00649
Area 1.3359991221576E+15

Sphere

Radius = n
Volume 3.6734409196325E+22
Surface area 5.3439964886303E+15
Circumference 129571062.00649

Square

Length = n
Perimeter 82487500
Area 425261728515625
Diagonal 29163735.306563

Cube

Length = n
Surface area 2551570371093750
Volume 8.7696942077332E+21
Space diagonal 35718135.247334

Equilateral Triangle

Length = n
Perimeter 61865625
Area 1.8414373007591E+14
Altitude 17859067.623667

Triangular Pyramid

Length = n
Surface area 1.8414373007591E+14
Volume 1.0335183738701E+21
Height 9721245.1021876