21131854 (number)

21131854 is an even 8-digits composite number following 21131853 and preceding 21131855. In scientific notation, it is written as 2.1131854 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10532280 positive integers (up to 21131854) that are relatively prime to 21131854.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131854 × 10^7
Engineering notation 2.1131854 × 10^6

Prime Factorization of 21131854

Prime Factorization 2 × 317 × 33331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131854
Product of the distinct prime numbers

The prime factorization of 21131854 is 2 × 317 × 33331. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131854)

Multiplication

n×y
n×2 42263708
n×3 63395562
n×4 84527416
n×5 105659270

Division

n÷y
n÷2 10565927
n÷3 7043951.3333333
n÷3 5282963.5
n÷5 4226370.8

Exponentiation

ny
n2 446555253477316
n3 9.4365404194156E+21
n4 1.9941159440819E+29
n5 4.2139366989411E+36

Nth Root

y√n
2√n 4596.9396341479
3√n 276.46863427373
4√n 67.800734761121
5√n 29.173431812529

Divisors of 21131854

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131853
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131854 can be divided by 8 positive divisors. The sum of these divisors (counting 21131854) is 1, the average is 0.125.

Base conversion 21131854

Base System Value
2 Binary 1010000100111001001001110
3 Ternary 1110202121110021
4 Quaternary 1100213021032
5 Quinary 20402204404
6 Senary 2032532354
8 Octal 120471116
10 Decimal 21131854
12 Duodecimal 70b10ba
16 Hexadecimal 142724e
20 Vigesimal 6c19ce
36 Base36 ckxfy

Cryptographic Hash Functions

md5 9fc268cde34f9ee4624dca4446426083
sha1 372ebb47631f95f279c0df07be533e49390f97f0
sha256 52d60f72b19d93e20c258812af875c040e2649c1958e149a2712241ee9df060b
sha512 5415b20deec8648d10277315f04fb25d5e71a288f73c717b4668dd398dfbf774177b43ec1ea71f70d07afda1c1908a86cce13d587ea27adde347b012366ec777
ripemd-160 1ea9614573c9a2f792a4f7857769c0149882bc54

21131854 as geometric shapes

Circle

Radius = n
Diameter 42263708
Circumference 132775354.56626
Area 1.4028947037463E+15

Sphere

Radius = n
Volume 3.9527688075919E+22
Surface area 5.6115788149851E+15
Circumference 132775354.56626

Square

Length = n
Perimeter 84527416
Area 446555253477316
Diagonal 29884954.524888

Cube

Length = n
Surface area 2679331520863896
Volume 9.4365404194156E+21
Space diagonal 36601444.786128

Equilateral Triangle

Length = n
Perimeter 63395562
Area 1.9336409685238E+14
Altitude 18300722.393064

Triangular Pyramid

Length = n
Surface area 1.9336409685238E+14
Volume 1.112106953585E+21
Height 9961651.508296