21388259 (number)

21388259 is an odd 8-digits composite number following 21388258 and preceding 21388260. In scientific notation, it is written as 2.1388259 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21180504 positive integers (up to 21388259) that are relatively prime to 21388259.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand two hundred fifty-nine

Notation

Scientific notation 2.1388259 × 10^7
Engineering notation 2.1388259 × 10^6

Prime Factorization of 21388259

Prime Factorization 103 × 207653

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21388259
Product of the distinct prime numbers

The prime factorization of 21388259 is 103 × 207653. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21388259)

Multiplication

n×y
n×2 42776518
n×3 64164777
n×4 85553036
n×5 106941295

Division

n÷y
n÷2 10694129.5
n÷3 7129419.6666667
n÷3 5347064.75
n÷5 4277651.8

Exponentiation

ny
n2 457457623051081
n3 9.7842221233409E+21
n4 2.0926747688754E+29
n5 4.4758669959473E+36

Nth Root

y√n
2√n 4624.7442091428
3√n 277.58232657322
4√n 68.00547190589
5√n 29.243886313681

Divisors of 21388259

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 -21388258
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 21388259 can be divided by 4 positive divisors. The sum of these divisors (counting 21388259) is 1, the average is 0.25.

Base conversion 21388259

Base System Value
2 Binary 1010001100101101111100011
3 Ternary 1111020122011202
4 Quaternary 1101211233203
5 Quinary 20433411014
6 Senary 2042231415
8 Octal 121455743
10 Decimal 21388259
12 Duodecimal 71b556b
16 Hexadecimal 1465be3
20 Vigesimal 6ddacj
36 Base36 cqfab

Cryptographic Hash Functions

md5 3398c36a592027dd1acb3a9bd413c5d7
sha1 273bf1c93ee67e2815f39f086cdafe4430b12156
sha256 e3ccc9877fae7b4a63ad513716ff1a47da739806ad4c8532f8a501d48555fd61
sha512 a48f3c7bc20f58376256c48f49a8a0d2d1afbd21ef063e2c515b1d449165871a009aab48406b01e56fe1e81da869ebacdad5e23ebfc63da541f1885d8217c816
ripemd-160 89ad76252b366a4e5d1a6bb61b3d4eb0694736f7

21388259 as geometric shapes

Circle

Radius = n
Diameter 42776518
Circumference 134386394.69495
Area 1.4371455079059E+15

Sphere

Radius = n
Volume 4.0984053791705E+22
Surface area 5.7485820316237E+15
Circumference 134386394.69495

Square

Length = n
Perimeter 85553036
Area 457457623051081
Diagonal 30247565.953348

Cube

Length = n
Surface area 2744745738306486
Volume 9.7842221233409E+21
Space diagonal 37045551.273442

Equilateral Triangle

Length = n
Perimeter 64164777
Area 1.9808496135854E+14
Altitude 18522775.636721

Triangular Pyramid

Length = n
Surface area 1.9808496135854E+14
Volume 1.1530816353416E+21
Height 10082521.984449