21001449 (number)

21001449 is an odd 8-digits composite number following 21001448 and preceding 21001450. In scientific notation, it is written as 2.1001449 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12000744 positive integers (up to 21001449) that are relatively prime to 21001449.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand four hundred forty-nine

Notation

Scientific notation 2.1001449 × 10^7
Engineering notation 2.1001449 × 10^6

Prime Factorization of 21001449

Prime Factorization 49 × 3 × 142867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21001449
Product of the distinct prime numbers

The prime factorization of 21001449 is 49 × 3 × 142867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001449)

Multiplication

n×y
n×2 42002898
n×3 63004347
n×4 84005796
n×5 105007245

Division

n÷y
n÷2 10500724.5
n÷3 7000483
n÷3 5250362.25
n÷5 4200289.8

Exponentiation

ny
n2 441060860099601
n3 9.2629171592779E+21
n4 1.945346823118E+29
n5 4.0855102093025E+36

Nth Root

y√n
2√n 4582.7337910902
3√n 275.89876301778
4√n 67.695891980904
5√n 29.137336664362

Divisors of 21001449

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 -21001448
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 21001449 can be divided by 8 positive divisors. The sum of these divisors (counting 21001449) is 1, the average is 0.125.

Base conversion 21001449

Base System Value
2 Binary 1010000000111010011101001
3 Ternary 1110111222120110
4 Quaternary 1100013103221
5 Quinary 20334021244
6 Senary 2030044533
8 Octal 120072351
10 Decimal 21001449
12 Duodecimal 7049749
16 Hexadecimal 14074e9
20 Vigesimal 6b53c9
36 Base36 ci4tl

Cryptographic Hash Functions

md5 f36d5cbaec0a4ac29186eec4ae24b15e
sha1 3a4f6703f3564ee850e4e473034eabfab127e626
sha256 492de6457f4006e91c3a570ccc602df1aa848444364aa2e7de003066ca2d0975
sha512 18d084c5660cadb2fd21221a184295151e1ea37e87ce35ff76747d4de04934212e500dd8624031efa9c417249900f8ae971a8fec08088c28add8efeca4f3b5c6
ripemd-160 59eff62bc1a3c9b4bd5835f2f760806bfce5523a

21001449 as geometric shapes

Circle

Radius = n
Diameter 42002898
Circumference 131955995.78628
Area 1.3856335578749E+15

Sphere

Radius = n
Volume 3.8800416664531E+22
Surface area 5.5425342314996E+15
Circumference 131955995.78628

Square

Length = n
Perimeter 84005796
Area 441060860099601
Diagonal 29700534.005287

Cube

Length = n
Surface area 2646365160597606
Volume 9.2629171592779E+21
Space diagonal 36375576.700567

Equilateral Triangle

Length = n
Perimeter 63004347
Area 1.9098495473063E+14
Altitude 18187788.350283

Triangular Pyramid

Length = n
Surface area 1.9098495473063E+14
Volume 1.0916452561491E+21
Height 9900178.0017623