21493393 (number)

21493393 is an odd 8-digits composite number following 21493392 and preceding 21493394. In scientific notation, it is written as 2.1493393 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21385188 positive integers (up to 21493393) that are relatively prime to 21493393.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493393 × 10^7
Engineering notation 2.1493393 × 10^6

Prime Factorization of 21493393

Prime Factorization 199 × 108007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21493393
Product of the distinct prime numbers

The prime factorization of 21493393 is 199 × 108007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 32, 42, 840, 338, 5197, 260, 84108, 88464, 539462, 983144, 3217624, 8661089, 43108816, 9969810, 386053189, 976870521, 5881265752, 5342786530

Basic calculations (n = 21493393)

Multiplication

n×y
n×2 42986786
n×3 64480179
n×4 85973572
n×5 107466965

Division

n÷y
n÷2 10746696.5
n÷3 7164464.3333333
n÷3 5373348.25
n÷5 4298678.6

Exponentiation

ny
n2 461965942652449
n3 9.9292155580445E+21
n4 2.1341253217077E+29
n5 4.5869594250714E+36

Nth Root

y√n
2√n 4636.0967418724
3√n 278.03640207895
4√n 68.088888534565
5√n 29.272579620381

Divisors of 21493393

1, 199, 108007, 21493393

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493392
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493393 can be divided by 4 positive divisors. The sum of these divisors (counting 21493393) is 1, the average is 0.25.

Base conversion 21493393

Base System Value
2 Binary 1010001111111011010010001
3 Ternary 1111102222101121
4 Quaternary 1101333122101
5 Quinary 21000242033
6 Senary 2044402241
8 Octal 121773221
10 Decimal 21493393
12 Duodecimal 7246381
16 Hexadecimal 147f691
20 Vigesimal 6e6d9d
36 Base36 csoep

Cryptographic Hash Functions

md5 a4774e66796c670df3dffddc97cf79ce
sha1 6a89484f944c9a16951aaca539db185e112ff122
sha256 26e2d91017489a9c7cf683fe18fd5f461b0f4a3ad780eb5475bbcfaeed93b4d4
sha512 e1ab9c4bb37fda0fea3a66adf18a272b222f467e8360af6d3ff344eec6673c112461e67f76383952834592801b76ef6f953bc5b47f9ae667c7b848dee9d357ba
ripemd-160 4fabec7c7cea0d973de199ac52c18d547add1a5a

21493393 as geometric shapes

Circle

Radius = n
Diameter 42986786
Circumference 135046971.09904
Area 1.4513088116456E+15

Sphere

Radius = n
Volume 4.159140087075E+22
Surface area 5.8052352465825E+15
Circumference 135046971.09904

Square

Length = n
Perimeter 85973572
Area 461965942652449
Diagonal 30396247.882015

Cube

Length = n
Surface area 2771795655914694
Volume 9.9292155580445E+21
Space diagonal 37227648.703045

Equilateral Triangle

Length = n
Perimeter 64480179
Area 2.0003712101012E+14
Altitude 18613824.351523

Triangular Pyramid

Length = n
Surface area 2.0003712101012E+14
Volume 1.1701692754927E+21
Height 10132082.627338