21471490 (number)

21471490 is an even 8-digits composite number following 21471489 and preceding 21471491. In scientific notation, it is written as 2.1471490 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 8325504 positive integers (up to 21471490) that are relatively prime to 21471490.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand four hundred ninety

Notation

Scientific notation 2.1471490 × 10^7
Engineering notation 2.1471490 × 10^6

Prime Factorization of 21471490

Prime Factorization 2 × 5 × 67 × 73 × 439

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21471490
Product of the distinct prime numbers

The prime factorization of 21471490 is 2 × 5 × 67 × 73 × 439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 52, 1, 345, 879, 4715, 1422, 48879, 42770, 934150, 4381, 3917907, 5410531, 72442461, 87716018, 534274790, 797725041, 8904782954, 5367688062

Basic calculations (n = 21471490)

Multiplication

n×y
n×2 42942980
n×3 64414470
n×4 85885960
n×5 107357450

Division

n÷y
n÷2 10735745
n÷3 7157163.3333333
n÷3 5367872.5
n÷5 4294298

Exponentiation

ny
n2 461024882820100
n3 9.8988911612229E+21
n4 2.1254394257929E+29
n5 4.5636351376517E+36

Nth Root

y√n
2√n 4633.7339155372
3√n 277.9419249666
4√n 68.071535281182
5√n 29.266611099526

Divisors of 21471490

1, 2, 5, 10, 67, 73, 134, 146, 335, 365, 439, 670, 730, 878, 2195, 4390, 4891, 9782, 24455, 29413, 32047, 48910, 58826, 64094, 147065, 160235, 294130, 320470, 2147149, 4294298, 10735745, 21471490

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21471489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21471490 can be divided by 32 positive divisors. The sum of these divisors (counting 21471490) is 1, the average is 0.03125.

Base conversion 21471490

Base System Value
2 Binary 1010001111010000100000010
3 Ternary 1111101212100101
4 Quaternary 1101322010002
5 Quinary 20444041430
6 Senary 2044113014
8 Octal 121720402
10 Decimal 21471490
12 Duodecimal 723576a
16 Hexadecimal 147a102
20 Vigesimal 6e3iea
36 Base36 cs7ia

Cryptographic Hash Functions

md5 8c2fcbbfffbd0de10882a3a031be3ec8
sha1 8fac358120d38077293af4121ae35c3d4ae71353
sha256 6758fe3f4869d091a6c76de4ba30c1691b3205e5617ba0049c2906a45fc4ced7
sha512 b7881f3de81e1b3fcfac1b7b604766eae0b9f564911d1553af7d598517bc175d1d69c749e4fd8f9b1dc1538f73586632629df771c199f54a1cca84ce93133a8c
ripemd-160 fdbac6dcf53a20508a3734c6c7b91f1f4eac1d84

21471490 as geometric shapes

Circle

Radius = n
Diameter 42942980
Circumference 134909350.49125
Area 1.4483523849897E+15

Sphere

Radius = n
Volume 4.1464378334377E+22
Surface area 5.7934095399589E+15
Circumference 134909350.49125

Square

Length = n
Perimeter 85885960
Area 461024882820100
Diagonal 30365272.362358

Cube

Length = n
Surface area 2766149296920600
Volume 9.8988911612229E+21
Space diagonal 37189711.594207

Equilateral Triangle

Length = n
Perimeter 64414470
Area 1.9962963014948E+14
Altitude 18594855.797104

Triangular Pyramid

Length = n
Surface area 1.9962963014948E+14
Volume 1.1665955110547E+21
Height 10121757.454119