21861275 (number)

21861275 is an odd 8-digits composite number following 21861274 and preceding 21861276. In scientific notation, it is written as 2.1861275 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 17266080 positive integers (up to 21861275) that are relatively prime to 21861275.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861275 × 10^7
Engineering notation 2.1861275 × 10^6

Prime Factorization of 21861275

Prime Factorization 5 × 5 × 79 × 11069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4372255
Product of the distinct prime numbers

The prime factorization of 21861275 is 5 × 5 × 79 × 11069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 27, 38, 611, 741, 6646, 5607, 46478, 97163, 649076, 225732, 3942329, 1366455, 42541210, 76127694, 449417627, 828808976, 7570680237, 2237693752

Basic calculations (n = 21861275)

Multiplication

n×y
n×2 43722550
n×3 65583825
n×4 87445100
n×5 109306375

Division

n÷y
n÷2 10930637.5
n÷3 7287091.6666667
n÷3 5465318.75
n÷5 4372255

Exponentiation

ny
n2 477915344625625
n3 1.0447838775581E+22
n4 2.2840307662863E+29
n5 4.9931824690246E+36

Nth Root

y√n
2√n 4675.6042390262
3√n 279.61373183261
4√n 68.378390146495
5√n 29.372106719091

Divisors of 21861275

1, 5, 25, 79, 395, 1975, 11069, 55345, 276725, 874451, 4372255, 21861275

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 -21861274
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 21861275 can be divided by 12 positive divisors. The sum of these divisors (counting 21861275) is 1, the average is 0.083333333333333.

Base conversion 21861275

Base System Value
2 Binary 1010011011001001110011011
3 Ternary 1112010200000212
4 Quaternary 1103121032123
5 Quinary 21044030100
6 Senary 2100321335
8 Octal 123311633
10 Decimal 21861275
12 Duodecimal 73a324b
16 Hexadecimal 14d939b
20 Vigesimal 6gcd3f
36 Base36 d0k9n

Cryptographic Hash Functions

md5 cfd2fdcc63e841f4b996463f521e0470
sha1 46add375d59c80b6e9d08e16e5d0ef4044b57cb6
sha256 75e610705cca38355abd4577e752449ddd59ba8b28a66d91fc24048862aae3cd
sha512 ddb20ea36b9983087212fa745e9a7113a752a48d7426091951af2f70f245a96400cbaa0615e5bbcda93d9f32eaf196b40063c41e87868439f383104e73f69b10
ripemd-160 e105f2861130155209b4f7df793427b9d0e528c2

21861275 as geometric shapes

Circle

Radius = n
Diameter 43722550
Circumference 137358441.87621
Area 1.5014153357137E+15

Sphere

Radius = n
Volume 4.3763804724339E+22
Surface area 6.0056613428548E+15
Circumference 137358441.87621

Square

Length = n
Perimeter 87445100
Area 477915344625625
Diagonal 30916511.595768

Cube

Length = n
Surface area 2867492067753750
Volume 1.0447838775581E+22
Space diagonal 37864839.018235

Equilateral Triangle

Length = n
Perimeter 65583825
Area 2.0694341465209E+14
Altitude 18932419.509118

Triangular Pyramid

Length = n
Surface area 2.0694341465209E+14
Volume 1.2312896078261E+21
Height 10305503.865256