21388504 (number)

21388504 is an even 8-digits composite number following 21388503 and preceding 21388505. In scientific notation, it is written as 2.1388504 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 10675392 positive integers (up to 21388504) that are relatively prime to 21388504.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand five hundred four

Notation

Scientific notation 2.1388504 × 10^7
Engineering notation 2.1388504 × 10^6

Prime Factorization of 21388504

Prime Factorization 2 × 2 × 2 × 659 × 4057

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5347126
Product of the distinct prime numbers

The prime factorization of 21388504 is 2 × 2 × 2 × 659 × 4057. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 19, 86, 881, 261, 6211, 6103, 44019, 83686, 619755, 176342, 2321000, 5854924, 2211672, 25112551, 432280597, 459317177, 9775850285, 1781458446

Basic calculations (n = 21388504)

Multiplication

n×y
n×2 42777008
n×3 64165512
n×4 85554016
n×5 106942520

Division

n÷y
n÷2 10694252
n÷3 7129501.3333333
n÷3 5347126
n÷5 4277700.8

Exponentiation

ny
n2 457468103358016
n3 9.7845583585453E+21
n4 2.0927706558998E+29
n5 4.4761233544796E+36

Nth Root

y√n
2√n 4624.7706970184
3√n 277.58338646017
4√n 68.005666653731
5√n 29.243953310432

Divisors of 21388504

1, 2, 4, 8, 659, 1318, 2636, 4057, 5272, 8114, 16228, 32456, 2673563, 5347126, 10694252, 21388504

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21388503
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388504 can be divided by 16 positive divisors. The sum of these divisors (counting 21388504) is 1, the average is 0.0625.

Base conversion 21388504

Base System Value
2 Binary 1010001100101110011011000
3 Ternary 1111020122111211
4 Quaternary 1101211303120
5 Quinary 20433413004
6 Senary 2042232504
8 Octal 121456330
10 Decimal 21388504
12 Duodecimal 71b5734
16 Hexadecimal 1465cd8
20 Vigesimal 6ddb54
36 Base36 cqfh4

Cryptographic Hash Functions

md5 a46f57d22c744ed325efeba53fa5cc91
sha1 dfacf65cd0882600c124064b09076925d27b6389
sha256 480e5e4c1ee5df8359be00a915f53b0568f98c27aea68202d6ef919387fe9de6
sha512 2ff10d8cf9da029dbfbb2534a937d855d7d534426f0e1c0534777e56494a597f0e17774ea69a46414b35264f845c91b7a8a687fdbab607d465e0744c9ff99738
ripemd-160 7bea7fb09ce2052cf366b271aa94c2f1e2d6e802

21388504 as geometric shapes

Circle

Radius = n
Diameter 42777008
Circumference 134387934.07535
Area 1.4371784327612E+15

Sphere

Radius = n
Volume 4.0985462210436E+22
Surface area 5.7487137310448E+15
Circumference 134387934.07535

Square

Length = n
Perimeter 85554016
Area 457468103358016
Diagonal 30247912.435671

Cube

Length = n
Surface area 2744808620148096
Volume 9.7845583585453E+21
Space diagonal 37045975.62589

Equilateral Triangle

Length = n
Perimeter 64165512
Area 1.9808949946456E+14
Altitude 18522987.812945

Triangular Pyramid

Length = n
Surface area 1.9808949946456E+14
Volume 1.1531212610405E+21
Height 10082637.478557