21388319 (number)

21388319 is an odd 8-digits composite number following 21388318 and preceding 21388320. In scientific notation, it is written as 2.1388319 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20262600 positive integers (up to 21388319) that are relatively prime to 21388319.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand three hundred nineteen

Notation

Scientific notation 2.1388319 × 10^7
Engineering notation 2.1388319 × 10^6

Prime Factorization of 21388319

Prime Factorization 19 × 1125701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21388319
Product of the distinct prime numbers

The prime factorization of 21388319 is 19 × 1125701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21388319)

Multiplication

n×y
n×2 42776638
n×3 64164957
n×4 85553276
n×5 106941595

Division

n÷y
n÷2 10694159.5
n÷3 7129439.6666667
n÷3 5347079.75
n÷5 4277663.8

Exponentiation

ny
n2 457460189645761
n3 9.784304465944E+21
n4 2.0926982511074E+29
n5 4.4759297765426E+36

Nth Root

y√n
2√n 4624.7506959835
3√n 277.58258613812
4√n 68.005519599394
5√n 29.243902721106

Divisors of 21388319

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 -21388318
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 21388319 can be divided by 4 positive divisors. The sum of these divisors (counting 21388319) is 1, the average is 0.25.

Base conversion 21388319

Base System Value
2 Binary 1010001100101110000011111
3 Ternary 1111020122020222
4 Quaternary 1101211300133
5 Quinary 20433411234
6 Senary 2042231555
8 Octal 121456037
10 Decimal 21388319
12 Duodecimal 71b55bb
16 Hexadecimal 1465c1f
20 Vigesimal 6ddafj
36 Base36 cqfbz

Cryptographic Hash Functions

md5 1d288d9498b789beacd3c0b8f70f5b39
sha1 ca634f44ad5ec6c839e41353541cceede094d4fe
sha256 c6322e813066f68de5a254a2a2404b8d8f5d3b24021bee395b1180c4bba9dca1
sha512 11b671498f3c6506de72d987bc06f5b99276953f90fc53c8cf3678cc693f8e94071dd80a3b2cdca218ef9e94d614980e83c4167c286866ecc8507d8aa7673363
ripemd-160 48ae23abd703096556ae896da2606d7e80eac43e

21388319 as geometric shapes

Circle

Radius = n
Diameter 42776638
Circumference 134386771.68607
Area 1.4371535711009E+15

Sphere

Radius = n
Volume 4.0984398707594E+22
Surface area 5.7486142844037E+15
Circumference 134386771.68607

Square

Length = n
Perimeter 85553276
Area 457460189645761
Diagonal 30247650.806162

Cube

Length = n
Surface area 2744761137874566
Volume 9.784304465944E+21
Space diagonal 37045655.196491

Equilateral Triangle

Length = n
Perimeter 64164957
Area 1.9808607272664E+14
Altitude 18522827.598245

Triangular Pyramid

Length = n
Surface area 1.9808607272664E+14
Volume 1.1530913395105E+21
Height 10082550.268721