21032905 (number)

21032905 is an odd 8-digits composite number following 21032904 and preceding 21032906. In scientific notation, it is written as 2.1032905 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 15940656 positive integers (up to 21032905) that are relatively prime to 21032905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1032905 × 10^7
Engineering notation 2.1032905 × 10^6

Prime Factorization of 21032905

Prime Factorization 5 × 19 × 221399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21032905
Product of the distinct prime numbers

The prime factorization of 21032905 is 5 × 19 × 221399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21032905)

Multiplication

n×y
n×2 42065810
n×3 63098715
n×4 84131620
n×5 105164525

Division

n÷y
n÷2 10516452.5
n÷3 7010968.3333333
n÷3 5258226.25
n÷5 4206581

Exponentiation

ny
n2 442383092739025
n3 9.3046015631861E+21
n4 1.9570280074134E+29
n5 4.1161984162266E+36

Nth Root

y√n
2√n 4586.1645195086
3√n 276.03644148806
4√n 67.721226506234
5√n 29.146059828508

Divisors of 21032905

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 -21032904
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 21032905 can be divided by 8 positive divisors. The sum of these divisors (counting 21032905) is 1, the average is 0.125.

Base conversion 21032905

Base System Value
2 Binary 1010000001110111111001001
3 Ternary 1110120120201111
4 Quaternary 1100032333021
5 Quinary 20341023110
6 Senary 2030450321
8 Octal 120167711
10 Decimal 21032905
12 Duodecimal 70639a1
16 Hexadecimal 140efc9
20 Vigesimal 6b9255
36 Base36 cit3d

Cryptographic Hash Functions

md5 813d5c727233a5117fd7bc70fdb2c74b
sha1 5bc33852e9b8fd23bc586ee77f2023a999686c4f
sha256 1b97e7de0ef274b80d0c86987da8b67e029367fb01153af16df644d34f4655aa
sha512 313bc9d9b7c48a0ef49b4c49be52e8b03c994ad1ff3d464d3d493c17a3102a402aa10b62fd9c03b33ffcf96b75d14a0a42d379214b1226d5e34b16cebb39253c
ripemd-160 1af21628fb24676d5029889031b4a80516e8aa94

21032905 as geometric shapes

Circle

Radius = n
Diameter 42065810
Circumference 132153639.6633
Area 1.3897874742213E+15

Sphere

Radius = n
Volume 3.8975023887314E+22
Surface area 5.559149896885E+15
Circumference 132153639.6633

Square

Length = n
Perimeter 84131620
Area 442383092739025
Diagonal 29745019.507105

Cube

Length = n
Surface area 2654298556434150
Volume 9.3046015631861E+21
Space diagonal 36430060.090769

Equilateral Triangle

Length = n
Perimeter 63098715
Area 1.9155749825836E+14
Altitude 18215030.045385

Triangular Pyramid

Length = n
Surface area 1.9155749825836E+14
Volume 1.0965578102613E+21
Height 9915006.5023683