21072555 (number)

21072555 is an odd 8-digits composite number following 21072554 and preceding 21072556. In scientific notation, it is written as 2.1072555 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9631872 positive integers (up to 21072555) that are relatively prime to 21072555.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand five hundred fifty-five

Notation

Scientific notation 2.1072555 × 10^7
Engineering notation 2.1072555 × 10^6

Prime Factorization of 21072555

Prime Factorization 189 × 3 × 5 × 7433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21072555
Product of the distinct prime numbers

The prime factorization of 21072555 is 189 × 3 × 5 × 7433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072555)

Multiplication

n×y
n×2 42145110
n×3 63217665
n×4 84290220
n×5 105362775

Division

n÷y
n÷2 10536277.5
n÷3 7024185
n÷3 5268138.75
n÷5 4214511

Exponentiation

ny
n2 444052574228025
n3 9.3573222933116E+21
n4 1.9718268867854E+29
n5 4.1551430522263E+36

Nth Root

y√n
2√n 4590.4852684656
3√n 276.20978851378
4√n 67.753119990637
5√n 29.157040440437

Divisors of 21072555

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 -21072554
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 21072555 can be divided by 16 positive divisors. The sum of these divisors (counting 21072555) is 1, the average is 0.0625.

Base conversion 21072555

Base System Value
2 Binary 1010000011000101010101011
3 Ternary 1110122121010000
4 Quaternary 1100120222223
5 Quinary 20343310210
6 Senary 2031354043
8 Octal 120305253
10 Decimal 21072555
12 Duodecimal 7082923
16 Hexadecimal 1418aab
20 Vigesimal 6be17f
36 Base36 cjnor

Cryptographic Hash Functions

md5 11607203e7a63733c7f3181d0a998a4f
sha1 356ba47248aa55855bf8e9959ea2ed2b1c630810
sha256 e8a428c637ed8df30705c42276dec6018351a95e5d9f5cf06d8411ea171cb73a
sha512 1173b4039a163998d5f6a87b9c0acf725631fcfff5f346a8fbef83ea35e17d18c6f422ebb21d4f7ef526f0901df60e4dd962bb443de039785389d7c8a06ac1fa
ripemd-160 7d23dfad319aa54e400872278892fac01cbeeccf

21072555 as geometric shapes

Circle

Radius = n
Diameter 42145110
Circumference 132402767.96073
Area 1.3950323050024E+15

Sphere

Radius = n
Volume 3.9195859965253E+22
Surface area 5.5801292200096E+15
Circumference 132402767.96073

Square

Length = n
Perimeter 84290220
Area 444052574228025
Diagonal 29801093.074853

Cube

Length = n
Surface area 2664315445368150
Volume 9.3573222933116E+21
Space diagonal 36498735.90529

Equilateral Triangle

Length = n
Perimeter 63217665
Area 1.9228040494867E+14
Altitude 18249367.952645

Triangular Pyramid

Length = n
Surface area 1.9228040494867E+14
Volume 1.1027710078915E+21
Height 9933697.6916177