21279964 (number)

21279964 is an even 8-digits composite number following 21279963 and preceding 21279965. In scientific notation, it is written as 2.1279964 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10622384 positive integers (up to 21279964) that are relatively prime to 21279964.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand nine hundred sixty-four

Notation

Scientific notation 2.1279964 × 10^7
Engineering notation 2.1279964 × 10^6

Prime Factorization of 21279964

Prime Factorization 2 × 2 × 653 × 8147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10639982
Product of the distinct prime numbers

The prime factorization of 21279964 is 2 × 2 × 653 × 8147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 20, 55, 870, 796, 7119, 3008, 23687, 4243, 470412, 423431, 8197342, 97732, 94762364, 71403325, 293155569, 532614309, 1599565597, 1669259626

Basic calculations (n = 21279964)

Multiplication

n×y
n×2 42559928
n×3 63839892
n×4 85119856
n×5 106399820

Division

n÷y
n÷2 10639982
n÷3 7093321.3333333
n÷3 5319991
n÷5 4255992.8

Exponentiation

ny
n2 452836867841296
n3 9.6363522455355E+21
n4 2.0506122887632E+29
n5 4.3636955682838E+36

Nth Root

y√n
2√n 4613.0211358718
3√n 277.11304018024
4√n 67.919225082975
5√n 29.214212086019

Divisors of 21279964

1, 2, 4, 653, 1306, 2612, 8147, 16294, 32588, 5319991, 10639982, 21279964

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 -21279963
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 21279964 can be divided by 12 positive divisors. The sum of these divisors (counting 21279964) is 1, the average is 0.083333333333333.

Base conversion 21279964

Base System Value
2 Binary 1010001001011010011011100
3 Ternary 1111001010121211
4 Quaternary 1101023103130
5 Quinary 20421424324
6 Senary 2040034204
8 Octal 121132334
10 Decimal 21279964
12 Duodecimal 7162964
16 Hexadecimal 144b4dc
20 Vigesimal 6cjji4
36 Base36 co3q4

Cryptographic Hash Functions

md5 baf469f22885e1ec82478bf773917105
sha1 8550dc5bcf56df28e7aeb22e9b73dc3a20c6fafb
sha256 6e54a9f164f3296380bb433a203aed84ea4e0219f24e41b4fed5e51f164e2ed7
sha512 012667df40affba56cf4e8363d8ee121148e637a9ffba7f63160a2609b14f318631e550f5c02a6de9d6353b6a1975d5663d258ee0f4c137d97ba6a6c6e275fd9
ripemd-160 7b8ccf15a5a0b1d7a7f455c9c04072df625e4438

21279964 as geometric shapes

Circle

Radius = n
Diameter 42559928
Circumference 133705957.14211
Area 1.4226289772848E+15

Sphere

Radius = n
Volume 4.0364657895971E+22
Surface area 5.6905159091393E+15
Circumference 133705957.14211

Square

Length = n
Perimeter 85119856
Area 452836867841296
Diagonal 30094413.695611

Cube

Length = n
Surface area 2717021207047776
Volume 9.6363522455355E+21
Space diagonal 36857978.831237

Equilateral Triangle

Length = n
Perimeter 63839892
Area 1.9608411566037E+14
Altitude 18428989.415618

Triangular Pyramid

Length = n
Surface area 1.9608411566037E+14
Volume 1.1356550031201E+21
Height 10031471.23187