21271808 (number)

21271808 is an even 8-digits composite number following 21271807 and preceding 21271809. In scientific notation, it is written as 2.1271808 × 10^7. The sum of its digits is 29. It has a total of 9 prime factors and 18 positive divisors. There are 10635776 positive integers (up to 21271808) that are relatively prime to 21271808.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-one thousand eight hundred eight

Notation

Scientific notation 2.1271808 × 10^7
Engineering notation 2.1271808 × 10^6

Prime Factorization of 21271808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 83093

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 166186
Product of the distinct prime numbers

The prime factorization of 21271808 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 83093. Since it has a total of 9 prime factors.

Most popular turbo-numbers

2, 6, 43, 75, 843, 762, 3074, 3945, 28680, 8135, 646689, 641270, 7081357, 2188276, 77862228, 60876102, 737424697, 806507074, 2481202592, 918744636

Basic calculations (n = 21271808)

Multiplication

n×y
n×2 42543616
n×3 63815424
n×4 85087232
n×5 106359040

Division

n÷y
n÷2 10635904
n÷3 7090602.6666667
n÷3 5317952
n÷5 4254361.6

Exponentiation

ny
n2 452489815588864
n3 9.6252764791617E+21
n4 2.0474703321164E+29
n5 4.3553395790477E+36

Nth Root

y√n
2√n 4612.1370317891
3√n 277.07763249557
4√n 67.912716274561
5√n 29.211972348666

Divisors of 21271808

1, 2, 4, 8, 16, 32, 64, 128, 256, 83093, 166186, 332372, 664744, 1329488, 2658976, 5317952, 10635904, 21271808

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271808 can be divided by 18 positive divisors. The sum of these divisors (counting 21271808) is 1, the average is 0.055555555555556.

Base conversion 21271808

Base System Value
2 Binary 1010001001001010100000000
3 Ternary 1111000201102202
4 Quaternary 1101021110000
5 Quinary 20421144213
6 Senary 2035532332
8 Octal 121112400
10 Decimal 21271808
12 Duodecimal 715a0a8
16 Hexadecimal 1449500
20 Vigesimal 6cija8
36 Base36 cnxfk

Cryptographic Hash Functions

md5 fa286fbf842ab80d1422951a99f7a750
sha1 5b8a525ad6dd113acba43d169c72cc2af86e07ec
sha256 4db5c4ee744c7b1930f8eb6990e5323199dd84dc6a546b7e90e8d3e789ebd7a7
sha512 bcf26f20a48b826145d73b9c6cc4b4975df709c7e824f90f1638b479b20e98213a8755729b8804949ea823f05a6725a027e2537778549f1199e68f3a2cbed7b5
ripemd-160 da017d4ad2485934c940471a1be6bd9095fe86c5

21271808 as geometric shapes

Circle

Radius = n
Diameter 42543616
Circumference 133654711.48275
Area 1.4215386804782E+15

Sphere

Radius = n
Volume 4.0318263834273E+22
Surface area 5.6861547219127E+15
Circumference 133654711.48275

Square

Length = n
Perimeter 85087232
Area 452489815588864
Diagonal 30082879.369797

Cube

Length = n
Surface area 2714938893533184
Volume 9.6252764791617E+21
Space diagonal 36843852.22485

Equilateral Triangle

Length = n
Perimeter 63815424
Area 1.9593383762685E+14
Altitude 18421926.112425

Triangular Pyramid

Length = n
Surface area 1.9593383762685E+14
Volume 1.1343497115351E+21
Height 10027626.456599