21861090 (number)

21861090 is an even 8-digits composite number following 21861089 and preceding 21861091. In scientific notation, it is written as 2.1861090 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5757696 positive integers (up to 21861090) that are relatively prime to 21861090.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand ninety

Notation

Scientific notation 2.1861090 × 10^7
Engineering notation 2.1861090 × 10^6

Prime Factorization of 21861090

Prime Factorization 2 × 45 × 3 × 3 × 197 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7287030
Product of the distinct prime numbers

The prime factorization of 21861090 is 2 × 45 × 3 × 3 × 197 × 137. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 29, 7, 765, 677, 2176, 7000, 15511, 51085, 262194, 66664, 2821931, 9641683, 49523472, 77556961, 633112963, 688407721, 4388899732, 4743752010

Basic calculations (n = 21861090)

Multiplication

n×y
n×2 43722180
n×3 65583270
n×4 87444360
n×5 109305450

Division

n÷y
n÷2 10930545
n÷3 7287030
n÷3 5465272.5
n÷5 4372218

Exponentiation

ny
n2 477907255988100
n3 1.0447573534809E+22
n4 2.2839534532608E+29
n5 4.9929711997544E+36

Nth Root

y√n
2√n 4675.5844554451
3√n 279.61294309109
4√n 68.378245483817
5√n 29.372057006912

Divisors of 21861090

1, 2, 3, 6, 9, 18, 45, 90, 135, 137, 197, 270, 274, 394, 405, 411, 591, 810, 822, 1182, 1233, 1773, 2466, 3546, 6165, 8865, 12330, 17730, 18495, 26595, 26989, 36990, 53190, 53978, 55485, 79785, 80967, 110970, 159570, 161934, 242901, 485802, 1214505, 2429010, 3643515, 7287030, 10930545, 21861090

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861090 can be divided by 48 positive divisors. The sum of these divisors (counting 21861090) is 1, the average is 0.020833333333333.

Base conversion 21861090

Base System Value
2 Binary 1010011011001001011100010
3 Ternary 1112010122210000
4 Quaternary 1103121023202
5 Quinary 21044023330
6 Senary 2100320430
8 Octal 123311342
10 Decimal 21861090
12 Duodecimal 73a3116
16 Hexadecimal 14d92e2
20 Vigesimal 6gccea
36 Base36 d0k4i

Cryptographic Hash Functions

md5 f93a955cef6258fb10f0855fabdc9a80
sha1 544a02b8b5ec1012f8e9da824d68b81fc21c7254
sha256 97bf036840b2df4434579de374865f4cb50ce552a21be70eabc62d01ad90de9e
sha512 72a37f967f7efcdc3abae4be4f42d95496849b40caa7f108ef04ee7397272bb13f061e4a311f235e60f8fef57daa2c3c562f86cc7d5b429f05efd1df4b48ec37
ripemd-160 df23b6c7498adb73c4fb17b95a7de09c2327d657

21861090 as geometric shapes

Circle

Radius = n
Diameter 43722180
Circumference 137357279.48693
Area 1.5013899245095E+15

Sphere

Radius = n
Volume 4.3762693686393E+22
Surface area 6.0055596980379E+15
Circumference 137357279.48693

Square

Length = n
Perimeter 87444360
Area 477907255988100
Diagonal 30916249.966259

Cube

Length = n
Surface area 2867443535928600
Volume 1.0447573534809E+22
Space diagonal 37864518.588836

Equilateral Triangle

Length = n
Perimeter 65583270
Area 2.069399121693E+14
Altitude 18932259.294418

Triangular Pyramid

Length = n
Surface area 2.069399121693E+14
Volume 1.2312583489014E+21
Height 10305416.65542