21789730 (number)

21789730 is an even 8-digits composite number following 21789729 and preceding 21789731. In scientific notation, it is written as 2.1789730 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors. There are 8352960 positive integers (up to 21789730) that are relatively prime to 21789730.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-nine thousand seven hundred thirty

Notation

Scientific notation 2.1789730 × 10^7
Engineering notation 2.1789730 × 10^6

Prime Factorization of 21789730

Prime Factorization 2 × 331 × 5 × 29 × 227

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21789730
Product of the distinct prime numbers

The prime factorization of 21789730 is 2 × 331 × 5 × 29 × 227. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21789730)

Multiplication

n×y
n×2 43579460
n×3 65369190
n×4 87158920
n×5 108948650

Division

n÷y
n÷2 10894865
n÷3 7263243.3333333
n÷3 5447432.5
n÷5 4357946

Exponentiation

ny
n2 474792333472900
n3 1.0345596752444E+22
n4 2.2542775992464E+29
n5 4.9120100232628E+36

Nth Root

y√n
2√n 4667.9470862468
3√n 279.30836953476
4√n 68.322376175356
5√n 29.352856389815

Divisors of 21789730

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21789729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21789730 can be divided by 32 positive divisors. The sum of these divisors (counting 21789730) is 1, the average is 0.03125.

Base conversion 21789730

Base System Value
2 Binary 1010011000111110000100010
3 Ternary 1112000000220001
4 Quaternary 1103013300202
5 Quinary 21034232410
6 Senary 2055010214
8 Octal 123076042
10 Decimal 21789730
12 Duodecimal 736996a
16 Hexadecimal 14c7c22
20 Vigesimal 6g3e6a
36 Base36 cz12a

Cryptographic Hash Functions

md5 d705dbcdd0bb77da78fd0a060dc05493
sha1 6164972fceba4fa1b9760d652e813712992ff828
sha256 953f21dae08b3af100fb195f90f348318592ccdeefd031b1a6d26ad49e423458
sha512 5f41b5c76b9a3ebd8cd8537e7bdce02848b84afc39aa365df9c1e97b25d6c30e06e14843743bd07eb9b16fe7caee30e1b3c46d4351e5e716d66956869be9e63b
ripemd-160 7f5e6c5587c73154d0510095896c036778f22eab

21789730 as geometric shapes

Circle

Radius = n
Diameter 43579460
Circumference 136908911.38341
Area 1.4916041068192E+15

Sphere

Radius = n
Volume 4.3335534339309E+22
Surface area 5.9664164272769E+15
Circumference 136908911.38341

Square

Length = n
Perimeter 87158920
Area 474792333472900
Diagonal 30815331.686448

Cube

Length = n
Surface area 2848754000837400
Volume 1.0345596752444E+22
Space diagonal 37740919.443208

Equilateral Triangle

Length = n
Perimeter 65369190
Area 2.0559111115481E+14
Altitude 18870459.721604

Triangular Pyramid

Length = n
Surface area 2.0559111115481E+14
Volume 1.2192402698458E+21
Height 10271777.228816