21243739 (number)

21243739 is an odd 8-digits composite number following 21243738 and preceding 21243740. In scientific notation, it is written as 2.1243739 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19284360 positive integers (up to 21243739) that are relatively prime to 21243739.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand seven hundred thirty-nine

Notation

Scientific notation 2.1243739 × 10^7
Engineering notation 2.1243739 × 10^6

Prime Factorization of 21243739

Prime Factorization 11 × 1627 × 1187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21243739
Product of the distinct prime numbers

The prime factorization of 21243739 is 11 × 1627 × 1187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243739)

Multiplication

n×y
n×2 42487478
n×3 63731217
n×4 84974956
n×5 106218695

Division

n÷y
n÷2 10621869.5
n÷3 7081246.3333333
n÷3 5310934.75
n÷5 4248747.8

Exponentiation

ny
n2 451296446700121
n3 9.5872239253248E+21
n4 2.0366848280416E+29
n5 4.3266800912175E+36

Nth Root

y√n
2√n 4609.0930778191
3√n 276.95570718497
4√n 67.890301795022
5√n 29.204259003585

Divisors of 21243739

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 -21243738
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 21243739 can be divided by 8 positive divisors. The sum of these divisors (counting 21243739) is 1, the average is 0.125.

Base conversion 21243739

Base System Value
2 Binary 1010001000010011101011011
3 Ternary 1110222021221011
4 Quaternary 1101002131123
5 Quinary 20414244424
6 Senary 2035154351
8 Octal 121023533
10 Decimal 21243739
12 Duodecimal 71459b7
16 Hexadecimal 144275b
20 Vigesimal 6cf96j
36 Base36 cnbrv

Cryptographic Hash Functions

md5 99b295bf272c1090dfbb62bccdd690df
sha1 fa20d9162a7a3d95380cb49507e2d76730843b42
sha256 5f24e020fd058a083405e24ee41b18d30cfc7a1b12518ae7ecbc2531f4f16ae6
sha512 9998af3fd389a5844f9fababcb685af2738e1d313fb924407d36f3369f689cec7bf6b63a6548336b1d04110b7552f785d3be63e2c8df57ddbf35465b24519b9f
ripemd-160 8b0efc6146056d4120ecc5abd0e8eef15db94873

21243739 as geometric shapes

Circle

Radius = n
Diameter 42487478
Circumference 133478348.75436
Area 1.4177896015443E+15

Sphere

Radius = n
Volume 4.0158869669494E+22
Surface area 5.6711584061771E+15
Circumference 133478348.75436

Square

Length = n
Perimeter 84974956
Area 451296446700121
Diagonal 30043183.809314

Cube

Length = n
Surface area 2707778680200726
Volume 9.5872239253248E+21
Space diagonal 36795235.290732

Equilateral Triangle

Length = n
Perimeter 63731217
Area 1.9541709373998E+14
Altitude 18397617.645366

Triangular Pyramid

Length = n
Surface area 1.9541709373998E+14
Volume 1.1298651750585E+21
Height 10014394.603105