21305764 (number)

21305764 is an even 8-digits composite number following 21305763 and preceding 21305765. In scientific notation, it is written as 2.1305764 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10092168 positive integers (up to 21305764) that are relatively prime to 21305764.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five thousand seven hundred sixty-four

Notation

Scientific notation 2.1305764 × 10^7
Engineering notation 2.1305764 × 10^6

Prime Factorization of 21305764

Prime Factorization 2 × 2 × 19 × 280339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10652882
Product of the distinct prime numbers

The prime factorization of 21305764 is 2 × 2 × 19 × 280339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 96, 35, 759, 107, 5636, 7355, 99304, 21212, 77748, 383072, 3232218, 7499745, 32509664, 60818884, 807257856, 202961124, 6044425930, 7237577322

Basic calculations (n = 21305764)

Multiplication

n×y
n×2 42611528
n×3 63917292
n×4 85223056
n×5 106528820

Division

n÷y
n÷2 10652882
n÷3 7101921.3333333
n÷3 5326441
n÷5 4261152.8

Exponentiation

ny
n2 453935579623696
n3 9.6714443306657E+21
n4 2.060575104483E+29
n5 4.390212688039E+36

Nth Root

y√n
2√n 4615.8167207982
3√n 277.22498631267
4√n 67.939802183979
5√n 29.221292562356

Divisors of 21305764

1, 2, 4, 19, 38, 76, 280339, 560678, 1121356, 5326441, 10652882, 21305764

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21305763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21305764 can be divided by 12 positive divisors. The sum of these divisors (counting 21305764) is 1, the average is 0.083333333333333.

Base conversion 21305764

Base System Value
2 Binary 1010001010001100110100100
3 Ternary 1111002110000101
4 Quaternary 1101101212210
5 Quinary 20423241024
6 Senary 2040353444
8 Octal 121214644
10 Decimal 21305764
12 Duodecimal 7175884
16 Hexadecimal 14519a4
20 Vigesimal 6d3484
36 Base36 conms

Cryptographic Hash Functions

md5 10bbc6445fcd2f209c9a6ee0fe5a2151
sha1 bef8f479e916fe952b1a48b38160efd9975f2f8b
sha256 84325c3761e83a7ee1182304a2a6bdd9a68dab332e4197dd6f3d19a40333a136
sha512 ebd7df131b46c810f582dc38382e13e5bf35efa50d11921c6eeb458f688b253a7fbf11e6872879bbee5cb73c541078d2c1e317a3fd1103ae28adf7b01375106d
ripemd-160 59aca53f2264f04159d77a45a679cea5516c0c57

21305764 as geometric shapes

Circle

Radius = n
Diameter 42611528
Circumference 133868063.32304
Area 1.4260806821488E+15

Sphere

Radius = n
Volume 4.0511651278429E+22
Surface area 5.7043227285953E+15
Circumference 133868063.32304

Square

Length = n
Perimeter 85223056
Area 453935579623696
Diagonal 30130900.40552

Cube

Length = n
Surface area 2723613477742176
Volume 9.6714443306657E+21
Space diagonal 36902665.742072

Equilateral Triangle

Length = n
Perimeter 63917292
Area 1.9655987181787E+14
Altitude 18451332.871036

Triangular Pyramid

Length = n
Surface area 1.9655987181787E+14
Volume 1.1397906450136E+21
Height 10043633.468507