21309968 (number)

21309968 is an even 8-digits composite number following 21309967 and preceding 21309969. In scientific notation, it is written as 2.1309968 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 10588320 positive integers (up to 21309968) that are relatively prime to 21309968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1309968 × 10^7
Engineering notation 2.1309968 × 10^6

Prime Factorization of 21309968

Prime Factorization 2 × 2 × 2 × 2 × 163 × 8171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2663746
Product of the distinct prime numbers

The prime factorization of 21309968 is 2 × 2 × 2 × 2 × 163 × 8171. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 10, 86, 62, 821, 433, 4662, 9230, 44213, 63925, 626975, 724545, 4030662, 3804347, 77010937, 66975900, 368291087, 312704324, 5081026925, 7364217402

Basic calculations (n = 21309968)

Multiplication

n×y
n×2 42619936
n×3 63929904
n×4 85239872
n×5 106549840

Division

n÷y
n÷2 10654984
n÷3 7103322.6666667
n÷3 5327492
n÷5 4261993.6

Exponentiation

ny
n2 454114736161024
n3 9.6771704959199E+21
n4 2.062201935986E+29
n5 4.3945457265399E+36

Nth Root

y√n
2√n 4616.2720890346
3√n 277.24321889355
4√n 67.943153363931
5√n 29.222445645805

Divisors of 21309968

1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8171, 16342, 32684, 65368, 130736, 1331873, 2663746, 5327492, 10654984, 21309968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21309967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21309968 can be divided by 20 positive divisors. The sum of these divisors (counting 21309968) is 1, the average is 0.05.

Base conversion 21309968

Base System Value
2 Binary 1010001010010101000010000
3 Ternary 1111002122210002
4 Quaternary 1101102220100
5 Quinary 20423404333
6 Senary 2040425132
8 Octal 121225020
10 Decimal 21309968
12 Duodecimal 71781a8
16 Hexadecimal 1452a10
20 Vigesimal 6d3ei8
36 Base36 coqvk

Cryptographic Hash Functions

md5 833ce0a228fdd3f701255a38a1de7af0
sha1 983f886d5e8f8eadf91100f77efed3b9f8ed32a4
sha256 50033a4c58b53bcc1014db41a5f42e7e85df4c2c524038152773a8e790d46fb9
sha512 3b8cd7ebdcd323594fbfc12c8385f51fde70646166ae65fb0ee9fd0abfe496409967c7827d1fe08af194a9f78e1ca052642d50f0d4ea88f364147b4d1b14f598
ripemd-160 20163dbf4b9d2ef9d42611f8e15080a278c8b188

21309968 as geometric shapes

Circle

Radius = n
Diameter 42619936
Circumference 133894477.83407
Area 1.4266435190103E+15

Sphere

Radius = n
Volume 4.0535636983357E+22
Surface area 5.7065740760414E+15
Circumference 133894477.83407

Square

Length = n
Perimeter 85239872
Area 454114736161024
Diagonal 30136845.759337

Cube

Length = n
Surface area 2724688416966144
Volume 9.6771704959199E+21
Space diagonal 36909947.283667

Equilateral Triangle

Length = n
Perimeter 63929904
Area 1.9663744887416E+14
Altitude 18454973.641833

Triangular Pyramid

Length = n
Surface area 1.9663744887416E+14
Volume 1.1404654800606E+21
Height 10045615.253112