21388260 (number)

21388260 is an even 8-digits composite number following 21388259 and preceding 21388261. In scientific notation, it is written as 2.1388260 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5670912 positive integers (up to 21388260) that are relatively prime to 21388260.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand two hundred sixty

Notation

Scientific notation 2.1388260 × 10^7
Engineering notation 2.1388260 × 10^6

Prime Factorization of 21388260

Prime Factorization 2 × 2 × 15 × 193 × 1847

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10694130
Product of the distinct prime numbers

The prime factorization of 21388260 is 2 × 2 × 15 × 193 × 1847. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 76, 50, 401, 234, 5235, 1209, 21537, 67121, 175001, 835804, 1299975, 1837403, 74095757, 59475016, 38246359, 951795196, 1864317080, 9015227921

Basic calculations (n = 21388260)

Multiplication

n×y
n×2 42776520
n×3 64164780
n×4 85553040
n×5 106941300

Division

n÷y
n÷2 10694130
n÷3 7129420
n÷3 5347065
n÷5 4277652

Exponentiation

ny
n2 457457665827600
n3 9.7842234957138E+21
n4 2.0926751602444E+29
n5 4.4758680422848E+36

Nth Root

y√n
2√n 4624.7443172569
3√n 277.5823308993
4√n 68.005472700783
5√n 29.243886587139

Divisors of 21388260

1, 2, 4, 15, 30, 60, 193, 386, 772, 1847, 2895, 3694, 5790, 7388, 11580, 27705, 55410, 110820, 356471, 712942, 1425884, 5347065, 10694130, 21388260

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21388259
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388260 can be divided by 24 positive divisors. The sum of these divisors (counting 21388260) is 1, the average is 0.041666666666667.

Base conversion 21388260

Base System Value
2 Binary 1010001100101101111100100
3 Ternary 1111020122011210
4 Quaternary 1101211233210
5 Quinary 20433411020
6 Senary 2042231420
8 Octal 121455744
10 Decimal 21388260
12 Duodecimal 71b5570
16 Hexadecimal 1465be4
20 Vigesimal 6ddad0
36 Base36 cqfac

Cryptographic Hash Functions

md5 86fba1bc5f9bf31cb419bc1d3b692e76
sha1 d94b2b08710302cafedd529133dfb447f1f11d62
sha256 137f0bdbc2524f91142c1ecfc18e580cfcd8c06366805a71ab52e76780f9f0bb
sha512 d341aa399682902ab1c244f2efea2de1fea952d72b83810796a2299245ee549d5142e224bf94b98ad0fe3c52518329a0f259dd70974fe5d54bdf5b61bec5c746
ripemd-160 3c14f110e46e1c93b92e688d0baeb5734c7f9f63

21388260 as geometric shapes

Circle

Radius = n
Diameter 42776520
Circumference 134386400.97814
Area 1.4371456422923E+15

Sphere

Radius = n
Volume 4.0984059540287E+22
Surface area 5.7485825691693E+15
Circumference 134386400.97814

Square

Length = n
Perimeter 85553040
Area 457457665827600
Diagonal 30247567.367562

Cube

Length = n
Surface area 2744745994965600
Volume 9.7842234957138E+21
Space diagonal 37045553.005493

Equilateral Triangle

Length = n
Perimeter 64164780
Area 1.9808497988132E+14
Altitude 18522776.502747

Triangular Pyramid

Length = n
Surface area 1.9808497988132E+14
Volume 1.1530817970773E+21
Height 10082522.455854