21271921 (number)

21271921 is an odd 8-digits composite number following 21271920 and preceding 21271922. In scientific notation, it is written as 2.1271921 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 18189600 positive integers (up to 21271921) that are relatively prime to 21271921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1271921 × 10^7
Engineering notation 2.1271921 × 10^6

Prime Factorization of 21271921

Prime Factorization 11 × 11 × 31 × 107 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1933811
Product of the distinct prime numbers

The prime factorization of 21271921 is 11 × 11 × 31 × 107 × 53. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 61, 87, 610, 936, 2672, 2639, 43524, 22021, 338395, 568851, 7466261, 3919193, 21413268, 31480824, 928035640, 234634275, 9284968717, 6025210523

Basic calculations (n = 21271921)

Multiplication

n×y
n×2 42543842
n×3 63815763
n×4 85087684
n×5 106359605

Division

n÷y
n÷2 10635960.5
n÷3 7090640.3333333
n÷3 5317980.25
n÷5 4254384.2

Exponentiation

ny
n2 452494623030241
n3 9.6254298740241E+21
n4 2.0475138387128E+29
n5 4.3554552623505E+36

Nth Root

y√n
2√n 4612.1492820593
3√n 277.07812312487
4√n 67.912806465786
5√n 29.212003384541

Divisors of 21271921

1, 11, 31, 53, 107, 121, 341, 583, 1177, 1643, 3317, 3751, 5671, 6413, 12947, 18073, 36487, 62381, 175801, 198803, 401357, 686191, 1933811, 21271921

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271921 can be divided by 24 positive divisors. The sum of these divisors (counting 21271921) is 1, the average is 0.041666666666667.

Base conversion 21271921

Base System Value
2 Binary 1010001001001010101110001
3 Ternary 1111000201120221
4 Quaternary 1101021111301
5 Quinary 20421200141
6 Senary 2035533041
8 Octal 121112561
10 Decimal 21271921
12 Duodecimal 715a181
16 Hexadecimal 1449571
20 Vigesimal 6cijg1
36 Base36 cnxip

Cryptographic Hash Functions

md5 859c2997f0842088f8e80aed46537c95
sha1 40ce16db3f6c31160397df7a7ceeb0c1e6d6f7b7
sha256 5a47e486473111b814da05d7fdc379154dbc32fd94972f597df267e704249a7e
sha512 5715080d775ac68bc61fb5216489c3150d15bc1200f86b1fc8c1d05e697c98f023c2aa05a01d41f976d7bc12abc3d18911508f7cc20d50992ad0c4b8bbbea8be
ripemd-160 29ffcd81900b2c8f9320acc27e5adf32c262fe36

21271921 as geometric shapes

Circle

Radius = n
Diameter 42543842
Circumference 133655421.48268
Area 1.4215537835007E+15

Sphere

Radius = n
Volume 4.031890637317E+22
Surface area 5.6862151340028E+15
Circumference 133655421.48268

Square

Length = n
Perimeter 85087684
Area 452494623030241
Diagonal 30083039.175929

Cube

Length = n
Surface area 2714967738181446
Volume 9.6254298740241E+21
Space diagonal 36844047.946591

Equilateral Triangle

Length = n
Perimeter 63815763
Area 1.9593591931003E+14
Altitude 18422023.973296

Triangular Pyramid

Length = n
Surface area 1.9593591931003E+14
Volume 1.134367789293E+21
Height 10027679.72531