21031864 (number)

21031864 is an even 8-digits composite number following 21031863 and preceding 21031865. In scientific notation, it is written as 2.1031864 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 9013632 positive integers (up to 21031864) that are relatively prime to 21031864.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred sixty-four

Notation

Scientific notation 2.1031864 × 10^7
Engineering notation 2.1031864 × 10^6

Prime Factorization of 21031864

Prime Factorization 2 × 2 × 2 × 7 × 375569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5257966
Product of the distinct prime numbers

The prime factorization of 21031864 is 2 × 2 × 2 × 7 × 375569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 84, 8, 294, 314, 5542, 9918, 36710, 55926, 129087, 893847, 5731751, 3833563, 60189586, 17774058, 63463446, 994213545, 178142850, 5792715046

Basic calculations (n = 21031864)

Multiplication

n×y
n×2 42063728
n×3 63095592
n×4 84127456
n×5 105159320

Division

n÷y
n÷2 10515932
n÷3 7010621.3333333
n÷3 5257966
n÷5 4206372.8

Exponentiation

ny
n2 442339303314496
n3 9.3032200691652E+21
n4 1.9566405925675E+29
n5 4.115179883976E+36

Nth Root

y√n
2√n 4586.0510245744
3√n 276.03188737508
4√n 67.720388544178
5√n 29.1457713125

Divisors of 21031864

1, 2, 4, 7, 8, 14, 28, 56, 375569, 751138, 1502276, 2628983, 3004552, 5257966, 10515932, 21031864

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 -21031863
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 21031864 can be divided by 16 positive divisors. The sum of these divisors (counting 21031864) is 1, the average is 0.0625.

Base conversion 21031864

Base System Value
2 Binary 1010000001110101110111000
3 Ternary 1110120112021221
4 Quaternary 1100032232320
5 Quinary 20341004424
6 Senary 2030441424
8 Octal 120165670
10 Decimal 21031864
12 Duodecimal 7063274
16 Hexadecimal 140ebb8
20 Vigesimal 6b8jd4
36 Base36 cisag

Cryptographic Hash Functions

md5 685fdb0edfe595981bdd731d78d5dab8
sha1 c1567a1beb157335dbf68de00576eeba3ed9a43d
sha256 b633f86a6992ba21c1f4091e15c124263fbc909cc88778850f42d5f6075adfa4
sha512 af463568ce531a6e474345934ee21ea8c41884b6aa4bcdb8b1ea1a69e43f7e29eda4608f3e85990ea4233521ffd79bc8cf5c1e281ea851b125f6fd51915d22d4
ripemd-160 a1e837cd348f19c04ab2355a5eca64dddf89c3b2

21031864 as geometric shapes

Circle

Radius = n
Diameter 42063728
Circumference 132147098.8674
Area 1.3896499056868E+15

Sphere

Radius = n
Volume 3.8969237098691E+22
Surface area 5.5585996227474E+15
Circumference 132147098.8674

Square

Length = n
Perimeter 84127456
Area 442339303314496
Diagonal 29743547.310786

Cube

Length = n
Surface area 2654035819886976
Volume 9.3032200691652E+21
Space diagonal 36428257.025879

Equilateral Triangle

Length = n
Perimeter 63095592
Area 1.9153853688133E+14
Altitude 18214128.512939

Triangular Pyramid

Length = n
Surface area 1.9153853688133E+14
Volume 1.0963949996296E+21
Height 9914515.7702622