21231390 (number)

21231390 is an even 8-digits composite number following 21231389 and preceding 21231391. In scientific notation, it is written as 2.1231390 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 5605920 positive integers (up to 21231390) that are relatively prime to 21231390.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand three hundred ninety

Notation

Scientific notation 2.1231390 × 10^7
Engineering notation 2.1231390 × 10^6

Prime Factorization of 21231390

Prime Factorization 2 × 3 × 5 × 103 × 6871

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21231390
Product of the distinct prime numbers

The prime factorization of 21231390 is 2 × 3 × 5 × 103 × 6871. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 62, 48, 704, 539, 3874, 3053, 86977, 74180, 910307, 40460, 9762650, 6236090, 10101559, 75851905, 302461121, 986274298, 4175201066, 9267253451

Basic calculations (n = 21231390)

Multiplication

n×y
n×2 42462780
n×3 63694170
n×4 84925560
n×5 106156950

Division

n÷y
n÷2 10615695
n÷3 7077130
n÷3 5307847.5
n÷5 4246278

Exponentiation

ny
n2 450771921332100
n3 9.5705144628511E+21
n4 2.0319532506143E+29
n5 4.3141191925561E+36

Nth Root

y√n
2√n 4607.7532486018
3√n 276.90203193585
4√n 67.880433473879
5√n 29.200862922692

Divisors of 21231390

1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6871, 13742, 20613, 34355, 41226, 68710, 103065, 206130, 707713, 1415426, 2123139, 3538565, 4246278, 7077130, 10615695, 21231390

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 -21231389
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 21231390 can be divided by 32 positive divisors. The sum of these divisors (counting 21231390) is 1, the average is 0.03125.

Base conversion 21231390

Base System Value
2 Binary 1010000111111011100011110
3 Ternary 1110221122222210
4 Quaternary 1100333130132
5 Quinary 20413401030
6 Senary 2035021250
8 Octal 120773436
10 Decimal 21231390
12 Duodecimal 713a826
16 Hexadecimal 143f71e
20 Vigesimal 6cdi9a
36 Base36 cn28u

Cryptographic Hash Functions

md5 77dbde633021299b7b4347283a1b8e4c
sha1 c88034da91c6aa41009de84a86b70b9417387eb6
sha256 e206e95955bd049c94d687de9e1ee49fceed321ff6567f557243725c682e4584
sha512 03aff3bcb2cde64ad0a293632dde44585130a57ba582220928fe7bf82d19572da27bf23b31ce9867d3a84b0cd33ea9133ac4126f1b55a206346a0970900b8f55
ripemd-160 53e133ecff5b8d0fef2505d757342668918ff853

21231390 as geometric shapes

Circle

Radius = n
Diameter 42462780
Circumference 133400757.699
Area 1.4161417565015E+15

Sphere

Radius = n
Volume 4.0088877236757E+22
Surface area 5.6645670260059E+15
Circumference 133400757.699

Square

Length = n
Perimeter 84925560
Area 450771921332100
Diagonal 30025719.686033

Cube

Length = n
Surface area 2704631527992600
Volume 9.5705144628511E+21
Space diagonal 36773846.19531

Equilateral Triangle

Length = n
Perimeter 63694170
Area 1.9518996759316E+14
Altitude 18386923.097655

Triangular Pyramid

Length = n
Surface area 1.9518996759316E+14
Volume 1.127895946021E+21
Height 10008573.228678