21609939 (number)

21609939 is an odd 8-digits composite number following 21609938 and preceding 21609940. In scientific notation, it is written as 2.1609939 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13190688 positive integers (up to 21609939) that are relatively prime to 21609939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609939 × 10^7
Engineering notation 2.1609939 × 10^6

Prime Factorization of 21609939

Prime Factorization 4953 × 4363

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21609939
Product of the distinct prime numbers

The prime factorization of 21609939 is 4953 × 4363. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 28, 67, 58, 668, 3456, 3731, 99080, 25377, 237774, 361592, 8426964, 2906675, 47006997, 7529149, 268797739, 40598395, 6991631726, 248695142

Basic calculations (n = 21609939)

Multiplication

n×y
n×2 43219878
n×3 64829817
n×4 86439756
n×5 108049695

Division

n÷y
n÷2 10804969.5
n÷3 7203313
n÷3 5402484.75
n÷5 4321987.8

Exponentiation

ny
n2 466989463583721
n3 1.0091613821687E+22
n4 2.1807915909821E+29
n5 4.7126773252836E+36

Nth Root

y√n
2√n 4648.6491586266
3√n 278.53803897732
4√n 68.181002915963
5√n 29.304256577156

Divisors of 21609939

1, 4363, 4953, 21609939

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 -21609938
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 21609939 can be divided by 4 positive divisors. The sum of these divisors (counting 21609939) is 1, the average is 0.25.

Base conversion 21609939

Base System Value
2 Binary 1010010011011110111010011
3 Ternary 1111122220021010
4 Quaternary 1102123313103
5 Quinary 21013004224
6 Senary 2051102003
8 Octal 122336723
10 Decimal 21609939
12 Duodecimal 72a1903
16 Hexadecimal 149bdd3
20 Vigesimal 6f14gj
36 Base36 cv6c3

Cryptographic Hash Functions

md5 86ddeed93456e7b9d33d2ff2b707fa06
sha1 654aee7478ca51ee2760fabb724340d1a1f91be5
sha256 f1b9e168cbdda19758a95c85d9ca842a7d4309f35c339c9f104c778d74e1591c
sha512 acd369b928199a626af10c5f666f4cc9774ba6f74fd4855d0a66257b866550fef36dfe2eac50700552bc39fb7d59e19d15ccf4baa29c822ef16eb958bfb0c090
ripemd-160 4583540121724ca0156d998cd096e0f466128f45

21609939 as geometric shapes

Circle

Radius = n
Diameter 43219878
Circumference 135779251.21385
Area 1.4670906680985E+15

Sphere

Radius = n
Volume 4.2271653126769E+22
Surface area 5.8683626723938E+15
Circumference 135779251.21385

Square

Length = n
Perimeter 86439756
Area 466989463583721
Diagonal 30561068.815855

Cube

Length = n
Surface area 2801936781502326
Volume 1.0091613821687E+22
Space diagonal 37429512.296464

Equilateral Triangle

Length = n
Perimeter 64829817
Area 2.0221236938159E+14
Altitude 18714756.148232

Triangular Pyramid

Length = n
Surface area 2.0221236938159E+14
Volume 1.1893080944051E+21
Height 10187022.938618