21236490 (number)

21236490 is an even 8-digits composite number following 21236489 and preceding 21236491. In scientific notation, it is written as 2.1236490 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 4872960 positive integers (up to 21236490) that are relatively prime to 21236490.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-six thousand four hundred ninety

Notation

Scientific notation 2.1236490 × 10^7
Engineering notation 2.1236490 × 10^6

Prime Factorization of 21236490

Prime Factorization 2 × 3 × 15 × 209 × 1129

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21236490
Product of the distinct prime numbers

The prime factorization of 21236490 is 2 × 3 × 15 × 209 × 1129. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 22, 47, 444, 269, 8740, 1312, 1028, 3040, 156223, 213389, 3036976, 346463, 98186026, 86387828, 785798415, 24103421, 492622304, 1594065431

Basic calculations (n = 21236490)

Multiplication

n×y
n×2 42472980
n×3 63709470
n×4 84945960
n×5 106182450

Division

n÷y
n÷2 10618245
n÷3 7078830
n÷3 5309122.5
n÷5 4247298

Exponentiation

ny
n2 450988507520100
n3 9.5774129300655E+21
n4 2.0339063391521E+29
n5 4.319303163234E+36

Nth Root

y√n
2√n 4608.3066304229
3√n 276.92420174045
4√n 67.884509502706
5√n 29.202265657922

Divisors of 21236490

1, 2, 3, 6, 15, 30, 45, 90, 209, 418, 627, 1129, 1254, 2258, 3135, 3387, 6270, 6774, 9405, 16935, 18810, 33870, 50805, 101610, 235961, 471922, 707883, 1415766, 3539415, 7078830, 10618245, 21236490

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21236489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21236490 can be divided by 32 positive divisors. The sum of these divisors (counting 21236490) is 1, the average is 0.03125.

Base conversion 21236490

Base System Value
2 Binary 1010001000000101100001010
3 Ternary 1110221220222200
4 Quaternary 1101000230022
5 Quinary 20414031430
6 Senary 2035101030
8 Octal 121005412
10 Decimal 21236490
12 Duodecimal 7141776
16 Hexadecimal 1440b0a
20 Vigesimal 6ceb4a
36 Base36 cn66i

Cryptographic Hash Functions

md5 9a0faa6b01a4c79956748167bd29f6e5
sha1 6154b26ab61833bf35f52b692c52a3ad6154932f
sha256 49b1c3bbd9d03e1a697c6575de2c4c1e88c32c9958ce8f993a7a3bb7dac6157d
sha512 45897337f551b2a317190dff839503239724357375a09ba4076b2cfc51ff5e0e959eb2c6848add431831caab1d13af018226b9cc63acc4b83939c68bc20967f7
ripemd-160 06ce459289bf3f608a91be81fde186ec9044ccd3

21236490 as geometric shapes

Circle

Radius = n
Diameter 42472980
Circumference 133432801.94407
Area 1.4168221820786E+15

Sphere

Radius = n
Volume 4.0117773468653E+22
Surface area 5.6672887283143E+15
Circumference 133432801.94407

Square

Length = n
Perimeter 84945960
Area 450988507520100
Diagonal 30032932.175201

Cube

Length = n
Surface area 2705931045120600
Volume 9.5774129300655E+21
Space diagonal 36782679.654428

Equilateral Triangle

Length = n
Perimeter 63709470
Area 1.9528375216362E+14
Altitude 18391339.827214

Triangular Pyramid

Length = n
Surface area 1.9528375216362E+14
Volume 1.1287089381788E+21
Height 10010977.391734