21471489 (number)

21471489 is an odd 8-digits composite number following 21471488 and preceding 21471490. In scientific notation, it is written as 2.1471489 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12355200 positive integers (up to 21471489) that are relatively prime to 21471489.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand four hundred eighty-nine

Notation

Scientific notation 2.1471489 × 10^7
Engineering notation 2.1471489 × 10^6

Prime Factorization of 21471489

Prime Factorization 117 × 23 × 79 × 101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21471489
Product of the distinct prime numbers

The prime factorization of 21471489 is 117 × 23 × 79 × 101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 37, 77, 446, 827, 1201, 8737, 77249, 8574, 939882, 764991, 3144918, 7177406, 64156658, 40090296, 806958437, 891438071, 695846092, 1515002687

Basic calculations (n = 21471489)

Multiplication

n×y
n×2 42942978
n×3 64414467
n×4 85885956
n×5 107357445

Division

n÷y
n÷2 10735744.5
n÷3 7157163
n÷3 5367872.25
n÷5 4294297.8

Exponentiation

ny
n2 461024839877121
n3 9.8988897781484E+21
n4 2.1254390298373E+29
n5 4.5636340749321E+36

Nth Root

y√n
2√n 4633.7338076329
3√n 277.9419206517
4√n 68.071534488602
5√n 29.266610826917

Divisors of 21471489

1, 23, 79, 101, 117, 1817, 2323, 2691, 7979, 9243, 11817, 183517, 212589, 271791, 933543, 21471489

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 -21471488
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 21471489 can be divided by 16 positive divisors. The sum of these divisors (counting 21471489) is 1, the average is 0.0625.

Base conversion 21471489

Base System Value
2 Binary 1010001111010000100000001
3 Ternary 1111101212100100
4 Quaternary 1101322010001
5 Quinary 20444041424
6 Senary 2044113013
8 Octal 121720401
10 Decimal 21471489
12 Duodecimal 7235769
16 Hexadecimal 147a101
20 Vigesimal 6e3ie9
36 Base36 cs7i9

Cryptographic Hash Functions

md5 81f0226477ca80078e8a35f83a4abdda
sha1 144b03145e874b7a264e97c18f339715a3dc8794
sha256 d9e41643318fbece2a1fed3c11a00d35c5a3ebb1756757caafa80a7b67770147
sha512 ac75e411a64acb5d69879f1b44ea36dba509a21058e7126c480f64a1f22b73e46777243834d6696ea50f8e16bec03bd4c9384e9da0590e5f3490a5829e45be35
ripemd-160 dfbcb152d9af117fe92f1314c0157130230ae663

21471489 as geometric shapes

Circle

Radius = n
Diameter 42942978
Circumference 134909344.20807
Area 1.4483522500804E+15

Sphere

Radius = n
Volume 4.1464372540968E+22
Surface area 5.7934090003215E+15
Circumference 134909344.20807

Square

Length = n
Perimeter 85885956
Area 461024839877121
Diagonal 30365270.948145

Cube

Length = n
Surface area 2766149039262726
Volume 9.8988897781484E+21
Space diagonal 37189709.862156

Equilateral Triangle

Length = n
Perimeter 64414467
Area 1.9962961155462E+14
Altitude 18594854.931078

Triangular Pyramid

Length = n
Surface area 1.9962961155462E+14
Volume 1.1665953480578E+21
Height 10121756.982715