21494718 (number)

21494718 is an even 8-digits composite number following 21494717 and preceding 21494719. In scientific notation, it is written as 2.1494718 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5942160 positive integers (up to 21494718) that are relatively prime to 21494718.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand seven hundred eighteen

Notation

Scientific notation 2.1494718 × 10^7
Engineering notation 2.1494718 × 10^6

Prime Factorization of 21494718

Prime Factorization 2 × 9 × 7 × 31 × 5503

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21494718
Product of the distinct prime numbers

The prime factorization of 21494718 is 2 × 9 × 7 × 31 × 5503. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 29, 34, 63, 283, 8733, 2783, 6973, 65087, 502023, 616441, 1004640, 6035989, 58395510, 36566466, 441095336, 637162028, 9795018196, 4311535378

Basic calculations (n = 21494718)

Multiplication

n×y
n×2 42989436
n×3 64484154
n×4 85978872
n×5 107473590

Division

n÷y
n÷2 10747359
n÷3 7164906
n÷3 5373679.5
n÷5 4298943.6

Exponentiation

ny
n2 462022901899524
n3 9.9310519858719E+21
n4 2.1346516187966E+29
n5 4.5883734574276E+36

Nth Root

y√n
2√n 4636.2396400531
3√n 278.04211531779
4√n 68.089937876702
5√n 29.272940523953

Divisors of 21494718

1, 2, 7, 9, 14, 18, 31, 62, 63, 126, 217, 279, 434, 558, 1953, 3906, 5503, 11006, 38521, 49527, 77042, 99054, 170593, 341186, 346689, 693378, 1194151, 1535337, 2388302, 3070674, 10747359, 21494718

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 -21494717
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 21494718 can be divided by 32 positive divisors. The sum of these divisors (counting 21494718) is 1, the average is 0.03125.

Base conversion 21494718

Base System Value
2 Binary 1010001111111101110111110
3 Ternary 1111110001012200
4 Quaternary 1101333232332
5 Quinary 21000312333
6 Senary 2044412330
8 Octal 121775676
10 Decimal 21494718
12 Duodecimal 72470a6
16 Hexadecimal 147fbbe
20 Vigesimal 6e6gfi
36 Base36 cspfi

Cryptographic Hash Functions

md5 1882844bc433468e86c18a705aa086d7
sha1 224c93094e0d6b85e45f42e21671eac62725e87e
sha256 2542641a9b3f34cae81b8ad660d6a3eb4554c7abbeef50c60c76a4f485fc1251
sha512 1c1184116ff4500e937cd567f4c5192faf6250870ab3f700c1c94333dc3db6481d682e1c98433a4d1986d8b26d979c306e6bf030a8ccab1891fd034ee47680ef
ripemd-160 bf904756dfa7e81711fb31ffbfa3043eb56ae358

21494718 as geometric shapes

Circle

Radius = n
Diameter 42989436
Circumference 135055296.31957
Area 1.4514877543978E+15

Sphere

Radius = n
Volume 4.1599093281645E+22
Surface area 5.8059510175911E+15
Circumference 135055296.31957

Square

Length = n
Perimeter 85978872
Area 462022901899524
Diagonal 30398121.714985

Cube

Length = n
Surface area 2772137411397144
Volume 9.9310519858719E+21
Space diagonal 37229943.670365

Equilateral Triangle

Length = n
Perimeter 64484154
Area 2.000617850876E+14
Altitude 18614971.835183

Triangular Pyramid

Length = n
Surface area 2.000617850876E+14
Volume 1.1703857005877E+21
Height 10132707.238328