21388963 (number)

21388963 is an odd 8-digits composite number following 21388962 and preceding 21388964. In scientific notation, it is written as 2.1388963 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 21082740 positive integers (up to 21388963) that are relatively prime to 21388963.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1388963 × 10^7
Engineering notation 2.1388963 × 10^6

Prime Factorization of 21388963

Prime Factorization 71 × 71 × 4243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 301253
Product of the distinct prime numbers

The prime factorization of 21388963 is 71 × 71 × 4243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 4, 95, 278, 517, 1530, 9574, 4967, 21465, 467131, 721182, 4113375, 153107, 30232482, 28630602, 904349867, 626331106, 4537992032, 1264365816

Basic calculations (n = 21388963)

Multiplication

n×y
n×2 42777926
n×3 64166889
n×4 85555852
n×5 106944815

Division

n÷y
n÷2 10694481.5
n÷3 7129654.3333333
n÷3 5347240.75
n÷5 4277792.6

Exponentiation

ny
n2 457487738215369
n3 9.7851883056422E+21
n4 2.0929503061741E+29
n5 4.4766036659597E+36

Nth Root

y√n
2√n 4624.8203208341
3√n 277.58537210416
4√n 68.006031503346
5√n 29.244078825142

Divisors of 21388963

1, 71, 4243, 5041, 301253, 21388963

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21388962
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388963 can be divided by 6 positive divisors. The sum of these divisors (counting 21388963) is 1, the average is 0.16666666666667.

Base conversion 21388963

Base System Value
2 Binary 1010001100101111010100011
3 Ternary 1111020200010211
4 Quaternary 1101211322203
5 Quinary 20433421323
6 Senary 2042234551
8 Octal 121457243
10 Decimal 21388963
12 Duodecimal 71b5a57
16 Hexadecimal 1465ea3
20 Vigesimal 6ddc83
36 Base36 cqftv

Cryptographic Hash Functions

md5 2622bbdefc36f4c5756ab42e5df3f35d
sha1 433d2dc921d1f00fc6d07da122c18f881109ea66
sha256 5256cf2d54be3c7d0d7f14f0d294103d949b465941600fd3b746b18a6dd79ca4
sha512 3462403eb38a3f152097b449f4035505f2d12cffebdbda1ed8115b82f29de61ef30064c49e534c69439d628343f570ceabb6d8b195867cb39c46c94d2ee03e04
ripemd-160 ca3f4d3dcdfeacd9c9bd92ad4852e8b61613e4e9

21388963 as geometric shapes

Circle

Radius = n
Diameter 42777926
Circumference 134390818.05741
Area 1.4372401174848E+15

Sphere

Radius = n
Volume 4.0988100926664E+22
Surface area 5.7489604699393E+15
Circumference 134390818.05741

Square

Length = n
Perimeter 85555852
Area 457487738215369
Diagonal 30248561.559696

Cube

Length = n
Surface area 2744926429292214
Volume 9.7851883056422E+21
Space diagonal 37046770.637211

Equilateral Triangle

Length = n
Perimeter 64166889
Area 1.980980016072E+14
Altitude 18523385.318605

Triangular Pyramid

Length = n
Surface area 1.980980016072E+14
Volume 1.1531955010178E+21
Height 10082853.853232