21479970 (number)

21479970 is an even 8-digits composite number following 21479969 and preceding 21479971. In scientific notation, it is written as 2.1479970 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 5727984 positive integers (up to 21479970) that are relatively prime to 21479970.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1479970 × 10^7
Engineering notation 2.1479970 × 10^6

Prime Factorization of 21479970

Prime Factorization 2 × 3 × 5 × 715999

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21479970
Product of the distinct prime numbers

The prime factorization of 21479970 is 2 × 3 × 5 × 715999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 69, 27, 973, 960, 6730, 3743, 48481, 47759, 768152, 117058, 9917553, 894879, 76060136, 60314581, 141742901, 531774929, 646252977, 611650135

Basic calculations (n = 21479970)

Multiplication

n×y
n×2 42959940
n×3 64439910
n×4 85919880
n×5 107399850

Division

n÷y
n÷2 10739985
n÷3 7159990
n÷3 5369992.5
n÷5 4295994

Exponentiation

ny
n2 461389111200900
n3 9.910624266922E+21
n4 2.1287991193476E+29
n5 4.5726541219612E+36

Nth Root

y√n
2√n 4634.6488540126
3√n 277.9785104932
4√n 68.078255368455
5√n 29.268922459051

Divisors of 21479970

1, 2, 3, 5, 6, 10, 15, 30, 715999, 1431998, 2147997, 3579995, 4295994, 7159990, 10739985, 21479970

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 -21479969
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 21479970 can be divided by 16 positive divisors. The sum of these divisors (counting 21479970) is 1, the average is 0.0625.

Base conversion 21479970

Base System Value
2 Binary 1010001111100001000100010
3 Ternary 1111102021222110
4 Quaternary 1101330020202
5 Quinary 20444324340
6 Senary 2044220150
8 Octal 121741042
10 Decimal 21479970
12 Duodecimal 723a656
16 Hexadecimal 147c222
20 Vigesimal 6e4jia
36 Base36 cse1u

Cryptographic Hash Functions

md5 5050f722a6b92fc6cd504a56734d0a5c
sha1 47301f3ab865d2d046f2306a21c2d59590375fef
sha256 969c830335aa2d974f2ee78108be8e62df4abbb0b0b23d5566fc355e12ed855e
sha512 1a4cd17204cd6d14484da7d7b8453eb8c4028e2fe205363117e02cbd68b1e6ae315942bdfeaae43c77da29e6099958d5a500f990eb132861afb89f02251d6f54
ripemd-160 7c3e7eb0cfc8d13a00d0a8e4d4894104a7d1f1d7

21479970 as geometric shapes

Circle

Radius = n
Diameter 42959940
Circumference 134962631.90266
Area 1.4494966421951E+15

Sphere

Radius = n
Volume 4.1513525852601E+22
Surface area 5.7979865687803E+15
Circumference 134962631.90266

Square

Length = n
Perimeter 85919880
Area 461389111200900
Diagonal 30377264.893367

Cube

Length = n
Surface area 2768334667205400
Volume 9.910624266922E+21
Space diagonal 37204399.385055

Equilateral Triangle

Length = n
Perimeter 64439910
Area 1.9978734566475E+14
Altitude 18602199.692528

Triangular Pyramid

Length = n
Surface area 1.9978734566475E+14
Volume 1.1679782708221E+21
Height 10125754.964456