21272761 (number)

21272761 is an odd 8-digits composite number following 21272760 and preceding 21272762. In scientific notation, it is written as 2.1272761 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20114640 positive integers (up to 21272761) that are relatively prime to 21272761.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-two thousand seven hundred sixty-one

Notation

Scientific notation 2.1272761 × 10^7
Engineering notation 2.1272761 × 10^6

Prime Factorization of 21272761

Prime Factorization 19 × 911 × 1229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21272761
Product of the distinct prime numbers

The prime factorization of 21272761 is 19 × 911 × 1229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21272761)

Multiplication

n×y
n×2 42545522
n×3 63818283
n×4 85091044
n×5 106363805

Division

n÷y
n÷2 10636380.5
n÷3 7090920.3333333
n÷3 5318190.25
n÷5 4254552.2

Exponentiation

ny
n2 452530360563121
n3 9.6265702055031E+21
n4 2.0478372723139E+29
n5 4.3563152860825E+36

Nth Root

y√n
2√n 4612.240344995
3√n 277.08177022629
4√n 67.913476902564
5√n 29.212234089565

Divisors of 21272761

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21272760
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21272761 can be divided by 8 positive divisors. The sum of these divisors (counting 21272761) is 1, the average is 0.125.

Base conversion 21272761

Base System Value
2 Binary 1010001001001100010111001
3 Ternary 1111000202202001
4 Quaternary 1101021202321
5 Quinary 20421212021
6 Senary 2035541001
8 Octal 121114271
10 Decimal 21272761
12 Duodecimal 715a761
16 Hexadecimal 14498b9
20 Vigesimal 6cj1i1
36 Base36 cny61

Cryptographic Hash Functions

md5 1d8c2637e7d788f09073de8878bf2890
sha1 c39366290c9705a8d3f34d5969d4a6881d3d5c9a
sha256 b839d10536d9894cbb2b8f9b6e4665f393219dbb1a5d5f3d33f120ef6cd5798d
sha512 57a0c5fa6bfcbb7c6507c9800f003d668e37b1190beafb44302e8c080ee45088ba83f9b85f540434d1ad1885cce76ba8b11716287dd80858326d00641b891db5
ripemd-160 606d5fccfff7baef681eb5da22554d22dc1ebc3e

21272761 as geometric shapes

Circle

Radius = n
Diameter 42545522
Circumference 133660699.35834
Area 1.4216660562714E+15

Sphere

Radius = n
Volume 4.03236829825E+22
Surface area 5.6866642250858E+15
Circumference 133660699.35834

Square

Length = n
Perimeter 85091044
Area 452530360563121
Diagonal 30084227.115321

Cube

Length = n
Surface area 2715182163378726
Volume 9.6265702055031E+21
Space diagonal 36845502.86927

Equilateral Triangle

Length = n
Perimeter 63818283
Area 1.959513941157E+14
Altitude 18422751.434635

Triangular Pyramid

Length = n
Surface area 1.959513941157E+14
Volume 1.1345021786466E+21
Height 10028075.705107