21039990 (number)

21039990 is an even 8-digits composite number following 21039989 and preceding 21039991. In scientific notation, it is written as 2.1039990 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5515104 positive integers (up to 21039990) that are relatively prime to 21039990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1039990 × 10^7
Engineering notation 2.1039990 × 10^6

Prime Factorization of 21039990

Prime Factorization 2 × 15 × 59 × 11887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21039990
Product of the distinct prime numbers

The prime factorization of 21039990 is 2 × 15 × 59 × 11887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 71, 46, 962, 967, 2964, 4145, 421, 89745, 222686, 856001, 2305703, 9381863, 78081027, 97769211, 511659969, 180648748, 2538231542, 6954376858

Basic calculations (n = 21039990)

Multiplication

n×y
n×2 42079980
n×3 63119970
n×4 84159960
n×5 105199950

Division

n÷y
n÷2 10519995
n÷3 7013330
n÷3 5259997.5
n÷5 4207998

Exponentiation

ny
n2 442681179200100
n3 9.3140075835583E+21
n4 1.9596662641799E+29
n5 4.1231358601683E+36

Nth Root

y√n
2√n 4586.93688642
3√n 276.06743258878
4√n 67.726928812843
5√n 29.148023152314

Divisors of 21039990

1, 2, 15, 30, 59, 118, 885, 1770, 11887, 23774, 178305, 356610, 701333, 1402666, 10519995, 21039990

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 -21039989
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 21039990 can be divided by 16 positive divisors. The sum of these divisors (counting 21039990) is 1, the average is 0.0625.

Base conversion 21039990

Base System Value
2 Binary 1010000010000101101110110
3 Ternary 1110120221102220
4 Quaternary 1100100231312
5 Quinary 20341234430
6 Senary 2030543210
8 Octal 120205566
10 Decimal 21039990
12 Duodecimal 7067b06
16 Hexadecimal 1410b76
20 Vigesimal 6b9jja
36 Base36 ciyk6

Cryptographic Hash Functions

md5 ca58d45954d61c7dce7201418764f5dd
sha1 eb135a03e2101138c9f87ae8272e226e3fbae790
sha256 5567ce5b04aa39eaca035e1ff108f9b306a4fafa7520529668cd398cd95246d2
sha512 bab37b8e7b1ab0c9f55e8198fbdf494b2a1b985b6d55b5dff31f0122344a3633f6ec42c9dd86ab0d498806bd67ca728539846f8cac3e08ad3241d47f5b4c0402
ripemd-160 2d5ab1917d2f5a4e3f0e0ed2b04dd678c37d5fb1

21039990 as geometric shapes

Circle

Radius = n
Diameter 42079980
Circumference 132198156.03121
Area 1.3907239404575E+15

Sphere

Radius = n
Volume 3.9014423733315E+22
Surface area 5.56289576183E+15
Circumference 132198156.03121

Square

Length = n
Perimeter 84159960
Area 442681179200100
Diagonal 29755039.210194

Cube

Length = n
Surface area 2656087075200600
Volume 9.3140075835583E+21
Space diagonal 36442331.670741

Equilateral Triangle

Length = n
Perimeter 63119970
Area 1.9168657348227E+14
Altitude 18221165.835371

Triangular Pyramid

Length = n
Surface area 1.9168657348227E+14
Volume 1.0976663203928E+21
Height 9918346.4033981