21493080 (number)

21493080 is an even 8-digits composite number following 21493079 and preceding 21493081. In scientific notation, it is written as 2.1493080 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 4910976 positive integers (up to 21493080) that are relatively prime to 21493080.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand eighty

Notation

Scientific notation 2.1493080 × 10^7
Engineering notation 2.1493080 × 10^6

Prime Factorization of 21493080

Prime Factorization 2 × 2 × 2 × 5 × 9 × 21 × 2843

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5373270
Product of the distinct prime numbers

The prime factorization of 21493080 is 2 × 2 × 2 × 5 × 9 × 21 × 2843. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493080)

Multiplication

n×y
n×2 42986160
n×3 64479240
n×4 85972320
n×5 107465400

Division

n÷y
n÷2 10746540
n÷3 7164360
n÷3 5373270
n÷5 4298616

Exponentiation

ny
n2 461952487886400
n3 9.9287817783414E+21
n4 2.1340010106443E+29
n5 4.586625444186E+36

Nth Root

y√n
2√n 4636.0629849043
3√n 278.03505242674
4√n 68.08864064515
5√n 29.272494362825

Divisors of 21493080

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493079
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493080 can be divided by 64 positive divisors. The sum of these divisors (counting 21493080) is 1, the average is 0.015625.

Base conversion 21493080

Base System Value
2 Binary 1010001111111010101011000
3 Ternary 1111102221222000
4 Quaternary 1101333111120
5 Quinary 21000234310
6 Senary 2044401000
8 Octal 121772530
10 Decimal 21493080
12 Duodecimal 7246160
16 Hexadecimal 147f558
20 Vigesimal 6e6ce0
36 Base36 cso60

Cryptographic Hash Functions

md5 7eabf493ea69cdad80e3f014560e70b2
sha1 a986a735955422910ec086ce6a23b6575fa65e99
sha256 c96dad47e655625946ead886bf413f2d0e3baf4ab7ca10ea395f2e849be9d5a5
sha512 e324ab59dfe13f63d870698b48c03d41c4d7e80fad3c4dbb72ae8817c06c1c859aa83d83a77ed92ec2ef6c1a4d99283181ba8a2b3de24fad1034d764c9f58609
ripemd-160 365bb3c9cf16e164eaa2e8be7e300e689f731389

21493080 as geometric shapes

Circle

Radius = n
Diameter 42986160
Circumference 135045004.46204
Area 1.4512665422514E+15

Sphere

Radius = n
Volume 4.1589583858578E+22
Surface area 5.8050661690058E+15
Circumference 135045004.46204

Square

Length = n
Perimeter 85972320
Area 461952487886400
Diagonal 30395805.23317

Cube

Length = n
Surface area 2771714927318400
Volume 9.9287817783414E+21
Space diagonal 37227106.571142

Equilateral Triangle

Length = n
Perimeter 64479240
Area 2.0003129492552E+14
Altitude 18613553.285571

Triangular Pyramid

Length = n
Surface area 2.0003129492552E+14
Volume 1.1701181540644E+21
Height 10131935.077723