21039939 (number)

21039939 is an odd 8-digits composite number following 21039938 and preceding 21039940. In scientific notation, it is written as 2.1039939 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13646880 positive integers (up to 21039939) that are relatively prime to 21039939.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 2.1039939 × 10^7
Engineering notation 2.1039939 × 10^6

Prime Factorization of 21039939

Prime Factorization 27 × 37 × 21061

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21039939
Product of the distinct prime numbers

The prime factorization of 21039939 is 27 × 37 × 21061. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 28, 69, 504, 182, 7132, 3023, 20033, 98875, 877789, 595581, 2241585, 5983760, 32478581, 34311046, 174594210, 445172103, 7560845117, 9990191334

Basic calculations (n = 21039939)

Multiplication

n×y
n×2 42079878
n×3 63119817
n×4 84159756
n×5 105199695

Division

n÷y
n÷2 10519969.5
n÷3 7013313
n÷3 5259984.75
n÷5 4207987.8

Exponentiation

ny
n2 442679033123721
n3 9.3139398535021E+21
n4 1.9596472636735E+29
n5 4.1230858889208E+36

Nth Root

y√n
2√n 4586.9313271511
3√n 276.06720953021
4√n 67.72688777104
5√n 29.148009021598

Divisors of 21039939

1, 27, 37, 999, 21061, 568647, 779257, 21039939

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21039938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21039939 can be divided by 8 positive divisors. The sum of these divisors (counting 21039939) is 1, the average is 0.125.

Base conversion 21039939

Base System Value
2 Binary 1010000010000101101000011
3 Ternary 1110120221101000
4 Quaternary 1100100231003
5 Quinary 20341234224
6 Senary 2030543043
8 Octal 120205503
10 Decimal 21039939
12 Duodecimal 7067a83
16 Hexadecimal 1410b43
20 Vigesimal 6b9jgj
36 Base36 ciyir

Cryptographic Hash Functions

md5 4fd7a117f9d7e6ae9c23e764fb209de5
sha1 c98c36e9d858d66e67b84c597133ff74903617b1
sha256 c7921dbf40b606994105404d28ca2fa54700290805a6558d82f4c07210d2a742
sha512 ce3577f0cdf843f02be3a29f9ae10454f6eb37f42e9d1bbccf4262b55882eadb2a97c409efdfc91430ce31d16a6c8c26a189761e9eac43e4cebc775317914e66
ripemd-160 619cf18d3215ddd1b75131db23c0847e7267f4fc

21039939 as geometric shapes

Circle

Radius = n
Diameter 42079878
Circumference 132197835.58875
Area 1.3907171983597E+15

Sphere

Radius = n
Volume 3.9014140026319E+22
Surface area 5.5628687934389E+15
Circumference 132197835.58875

Square

Length = n
Perimeter 84159756
Area 442679033123721
Diagonal 29754967.085303

Cube

Length = n
Surface area 2656074198742326
Volume 9.3139398535021E+21
Space diagonal 36442243.33615

Equilateral Triangle

Length = n
Perimeter 63119817
Area 1.9168564420394E+14
Altitude 18221121.668075

Triangular Pyramid

Length = n
Surface area 1.9168564420394E+14
Volume 1.0976583383292E+21
Height 9918322.3617675