21032405 (number)

21032405 is an odd 8-digits composite number following 21032404 and preceding 21032406. In scientific notation, it is written as 2.1032405 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 16825920 positive integers (up to 21032405) that are relatively prime to 21032405.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-two thousand four hundred five

Notation

Scientific notation 2.1032405 × 10^7
Engineering notation 2.1032405 × 10^6

Prime Factorization of 21032405

Prime Factorization 5 × 4206481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21032405
Product of the distinct prime numbers

The prime factorization of 21032405 is 5 × 4206481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21032405)

Multiplication

n×y
n×2 42064810
n×3 63097215
n×4 84129620
n×5 105162025

Division

n÷y
n÷2 10516202.5
n÷3 7010801.6666667
n÷3 5258101.25
n÷5 4206481

Exponentiation

ny
n2 442362060084025
n3 9.3039380043215E+21
n4 1.9568419220178E+29
n5 4.1157091824857E+36

Nth Root

y√n
2√n 4586.1100074028
3√n 276.03425413266
4√n 67.720824030742
5√n 29.145921253561

Divisors of 21032405

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21032404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21032405 can be divided by 4 positive divisors. The sum of these divisors (counting 21032405) is 1, the average is 0.25.

Base conversion 21032405

Base System Value
2 Binary 1010000001110110111010101
3 Ternary 1110120120000222
4 Quaternary 1100032313111
5 Quinary 20341014110
6 Senary 2030444125
8 Octal 120166725
10 Decimal 21032405
12 Duodecimal 7063645
16 Hexadecimal 140edd5
20 Vigesimal 6b9105
36 Base36 cisph

Cryptographic Hash Functions

md5 b381598c29799601e025aad6634b9912
sha1 bab71d2e114c3010c71735237ab96e4258c6c813
sha256 a6e8bd251202b70a45d43fffd5ad1b6c220c76ace15468b0013f49b829eb515a
sha512 8e87b95ffba45f547b8982d3040999be7585f5414edd83420b6a33bbe717940f39c7133a2d890395858acb36746da965aa85d1025391f16f622a31f620a09b2f
ripemd-160 bc4b55a0604058cddb83a69bc0fffcfa2e2e28c6

21032405 as geometric shapes

Circle

Radius = n
Diameter 42064810
Circumference 132150498.07065
Area 1.3897213981868E+15

Sphere

Radius = n
Volume 3.8972244378442E+22
Surface area 5.5588855927473E+15
Circumference 132150498.07065

Square

Length = n
Perimeter 84129620
Area 442362060084025
Diagonal 29744312.400324

Cube

Length = n
Surface area 2654172360504150
Volume 9.3039380043215E+21
Space diagonal 36429194.065366

Equilateral Triangle

Length = n
Perimeter 63097215
Area 1.9154839085159E+14
Altitude 18214597.032683

Triangular Pyramid

Length = n
Surface area 1.9154839085159E+14
Volume 1.0964796090992E+21
Height 9914770.8001079