21479892 (number)

21479892 is an even 8-digits composite number following 21479891 and preceding 21479893. In scientific notation, it is written as 2.1479892 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 6137088 positive integers (up to 21479892) that are relatively prime to 21479892.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-nine thousand eight hundred ninety-two

Notation

Scientific notation 2.1479892 × 10^7
Engineering notation 2.1479892 × 10^6

Prime Factorization of 21479892

Prime Factorization 2 × 2 × 21 × 255713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10739946
Product of the distinct prime numbers

The prime factorization of 21479892 is 2 × 2 × 21 × 255713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 23, 52, 26, 608, 7683, 8050, 98091, 81384, 199248, 993003, 2642753, 6947844, 2055533, 85204848, 938449959, 512247456, 8049654230, 5953793704

Basic calculations (n = 21479892)

Multiplication

n×y
n×2 42959784
n×3 64439676
n×4 85919568
n×5 107399460

Division

n÷y
n÷2 10739946
n÷3 7159964
n÷3 5369973
n÷5 4295978.4

Exponentiation

ny
n2 461385760331664
n3 9.910516302262E+21
n4 2.1287681983683E+29
n5 4.5725710993985E+36

Nth Root

y√n
2√n 4634.6404391279
3√n 277.97817401927
4√n 68.078193565399
5√n 29.268901202231

Divisors of 21479892

1, 2, 4, 21, 42, 84, 255713, 511426, 1022852, 5369973, 10739946, 21479892

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21479891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21479892 can be divided by 12 positive divisors. The sum of these divisors (counting 21479892) is 1, the average is 0.083333333333333.

Base conversion 21479892

Base System Value
2 Binary 1010001111100000111010100
3 Ternary 1111102021212120
4 Quaternary 1101330013110
5 Quinary 20444324032
6 Senary 2044215540
8 Octal 121740724
10 Decimal 21479892
12 Duodecimal 723a5b0
16 Hexadecimal 147c1d4
20 Vigesimal 6e4jec
36 Base36 csdzo

Cryptographic Hash Functions

md5 4101d17c5b25c709fc5fc58016f68386
sha1 5a13f47793f6e0e7c261397092ca175e50579310
sha256 1496757b87478c7fc36481e7a19f80fbeec524456c2c3d98b26f0f9ea5718886
sha512 4047266f1a2d6d3f091c805c571a9a2475737dad2873cf3cf82cfba960ffa8659a02d198ebb194b312811c48a965573fc771855efc7d9f8345c92f5f7ca285a8
ripemd-160 8b666b203a31271d8c40f4c57b4d4e6166e03757

21479892 as geometric shapes

Circle

Radius = n
Diameter 42959784
Circumference 134962141.8142
Area 1.4494861151289E+15

Sphere

Radius = n
Volume 4.1513073611291E+22
Surface area 5.7979444605156E+15
Circumference 134962141.8142

Square

Length = n
Perimeter 85919568
Area 461385760331664
Diagonal 30377154.584709

Cube

Length = n
Surface area 2768314561989984
Volume 9.910516302262E+21
Space diagonal 37204264.285092

Equilateral Triangle

Length = n
Perimeter 64439676
Area 1.9978589469581E+14
Altitude 18602132.142546

Triangular Pyramid

Length = n
Surface area 1.9978589469581E+14
Volume 1.1679655470649E+21
Height 10125718.194903