21861212 (number)

21861212 is an even 8-digits composite number following 21861211 and preceding 21861213. In scientific notation, it is written as 2.1861212 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 6 positive divisors. There are 10930604 positive integers (up to 21861212) that are relatively prime to 21861212.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand two hundred twelve

Notation

Scientific notation 2.1861212 × 10^7
Engineering notation 2.1861212 × 10^6

Prime Factorization of 21861212

Prime Factorization 2 × 2 × 5465303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10930606
Product of the distinct prime numbers

The prime factorization of 21861212 is 2 × 2 × 5465303. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861212)

Multiplication

n×y
n×2 43722424
n×3 65583636
n×4 87444848
n×5 109306060

Division

n÷y
n÷2 10930606
n÷3 7287070.6666667
n÷3 5465303
n÷5 4372242.4

Exponentiation

ny
n2 477912590108944
n3 1.0447748449841E+22
n4 2.2840044378464E+29
n5 4.9931105224701E+36

Nth Root

y√n
2√n 4675.5975019242
3√n 279.61346323465
4√n 68.378340883091
5√n 29.372089790117

Divisors of 21861212

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861211
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861212 can be divided by 6 positive divisors. The sum of these divisors (counting 21861212) is 1, the average is 0.16666666666667.

Base conversion 21861212

Base System Value
2 Binary 1010011011001001101011100
3 Ternary 1112010122221112
4 Quaternary 1103121031130
5 Quinary 21044024322
6 Senary 2100321152
8 Octal 123311534
10 Decimal 21861212
12 Duodecimal 73a31b8
16 Hexadecimal 14d935c
20 Vigesimal 6gcd0c
36 Base36 d0k7w

Cryptographic Hash Functions

md5 dfeb4031650149de5bbb376a349317d4
sha1 b11a35dac132a30a39a82704402ba4a3c4d7b356
sha256 81503e87386ff8528eaf211065bae52c8864769569f0519194832b6bb895ba41
sha512 6b3040b118c8a09220d3dedd67ad8bc7532bbab6d57280310defa607c70d11dfc340a4842880c033a9fe8f02e8a330c4b6450c37743e37df4ebca2b7372296c2
ripemd-160 1ec3eabb5af35f7deda3b785f4742e0622875335

21861212 as geometric shapes

Circle

Radius = n
Diameter 43722424
Circumference 137358046.03554
Area 1.5014066821443E+15

Sphere

Radius = n
Volume 4.3763426368765E+22
Surface area 6.0056267285773E+15
Circumference 137358046.03554

Square

Length = n
Perimeter 87444848
Area 477912590108944
Diagonal 30916422.500313

Cube

Length = n
Surface area 2867475540653664
Volume 1.0447748449841E+22
Space diagonal 37864729.899034

Equilateral Triangle

Length = n
Perimeter 65583636
Area 2.0694222191138E+14
Altitude 18932364.949517

Triangular Pyramid

Length = n
Surface area 2.0694222191138E+14
Volume 1.2312789628356E+21
Height 10305474.166771