21131851 (number)

21131851 is an odd 8-digits composite number following 21131850 and preceding 21131852. In scientific notation, it is written as 2.1131851 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 19010880 positive integers (up to 21131851) that are relatively prime to 21131851.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred fifty-one

Notation

Scientific notation 2.1131851 × 10^7
Engineering notation 2.1131851 × 10^6

Prime Factorization of 21131851

Prime Factorization 13 × 41 × 41 × 967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 515411
Product of the distinct prime numbers

The prime factorization of 21131851 is 13 × 41 × 41 × 967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 70, 25, 475, 977, 5773, 6386, 97631, 37911, 360985, 4191, 5380625, 7121300, 37986004, 30010866, 413512047, 199234004, 9039316946, 2438411319

Basic calculations (n = 21131851)

Multiplication

n×y
n×2 42263702
n×3 63395553
n×4 84527404
n×5 105659255

Division

n÷y
n÷2 10565925.5
n÷3 7043950.3333333
n÷3 5282962.75
n÷5 4226370.2

Exponentiation

ny
n2 446555126686201
n3 9.4365364004189E+21
n4 1.9941148116973E+29
n5 4.213933707768E+36

Nth Root

y√n
2√n 4596.9393078439
3√n 276.4686211907
4√n 67.800732354775
5√n 29.173430984203

Divisors of 21131851

1, 13, 41, 533, 967, 1681, 12571, 21853, 39647, 515411, 1625527, 21131851

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 -21131850
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 21131851 can be divided by 12 positive divisors. The sum of these divisors (counting 21131851) is 1, the average is 0.083333333333333.

Base conversion 21131851

Base System Value
2 Binary 1010000100111001001001011
3 Ternary 1110202121110011
4 Quaternary 1100213021023
5 Quinary 20402204401
6 Senary 2032532351
8 Octal 120471113
10 Decimal 21131851
12 Duodecimal 70b10b7
16 Hexadecimal 142724b
20 Vigesimal 6c19cb
36 Base36 ckxfv

Cryptographic Hash Functions

md5 f615902b39640b03edb8add0c5bba383
sha1 5f59429321f563132f965eae94442142fec7db92
sha256 b71d652e34bd6be660933225b9043a14d4d0ecd365a0aef3c06ad01bdd52808d
sha512 d4715a8ff400cf8d3bf8a2ecc908cd1c8daa12c9cc141188105aa495b0f57a5841e4847af6a0b4309f9e00efff4eceed2772b497059b08e63ef4a98f3be7c617
ripemd-160 0874c5bd9e817d9b3c933e244368888bc947d283

21131851 as geometric shapes

Circle

Radius = n
Diameter 42263702
Circumference 132775335.71671
Area 1.4028943054202E+15

Sphere

Radius = n
Volume 3.9527671241185E+22
Surface area 5.6115772216809E+15
Circumference 132775335.71671

Square

Length = n
Perimeter 84527404
Area 446555126686201
Diagonal 29884950.282247

Cube

Length = n
Surface area 2679330760117206
Volume 9.4365364004189E+21
Space diagonal 36601439.589975

Equilateral Triangle

Length = n
Perimeter 63395553
Area 1.9336404195021E+14
Altitude 18300719.794988

Triangular Pyramid

Length = n
Surface area 1.9336404195021E+14
Volume 1.1121064799417E+21
Height 9961650.0940825