21490884 (number)

21490884 is an even 8-digits composite number following 21490883 and preceding 21490885. In scientific notation, it is written as 2.1490884 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 6996528 positive integers (up to 21490884) that are relatively prime to 21490884.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred eighty-four

Notation

Scientific notation 2.1490884 × 10^7
Engineering notation 2.1490884 × 10^6

Prime Factorization of 21490884

Prime Factorization 2 × 2 × 9 × 43 × 13883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745442
Product of the distinct prime numbers

The prime factorization of 21490884 is 2 × 2 × 9 × 43 × 13883. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 48, 5, 54, 353, 9730, 1715, 10403, 50523, 686064, 2721, 5455252, 1375733, 16321169, 30720599, 329175137, 593286616, 4070367613, 8473711104

Basic calculations (n = 21490884)

Multiplication

n×y
n×2 42981768
n×3 64472652
n×4 85963536
n×5 107454420

Division

n÷y
n÷2 10745442
n÷3 7163628
n÷3 5372721
n÷5 4298176.8

Exponentiation

ny
n2 461858095101456
n3 9.9257387462864E+21
n4 2.1331290001075E+29
n5 4.5842827898345E+36

Nth Root

y√n
2√n 4635.8261399669
3√n 278.02558293283
4√n 68.086901383209
5√n 29.271896170058

Divisors of 21490884

1, 2, 4, 9, 18, 36, 43, 86, 172, 387, 774, 1548, 13883, 27766, 55532, 124947, 249894, 499788, 596969, 1193938, 2387876, 5372721, 10745442, 21490884

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490884 can be divided by 24 positive divisors. The sum of these divisors (counting 21490884) is 1, the average is 0.041666666666667.

Base conversion 21490884

Base System Value
2 Binary 1010001111110110011000100
3 Ternary 1111102211221200
4 Quaternary 1101332303010
5 Quinary 21000202014
6 Senary 2044342500
8 Octal 121766304
10 Decimal 21490884
12 Duodecimal 7244a30
16 Hexadecimal 147ecc4
20 Vigesimal 6e6744
36 Base36 csmh0

Cryptographic Hash Functions

md5 38bdbbf1b531cd2b69e6c1d61069b5b2
sha1 fe21c71296aba87e25a199c12b3d4a645c8a75f6
sha256 a0f1f813904fb15ab26cc890058d0be0058d82d0f5ae1ff766418683221e3a6d
sha512 85c273dea0fc2f806bb5e92b3c3701e7ba85c121926e361748ad5d6e7972539b6a487448e93b988b56495d4ff240434246a2ddb0ac1b3bb83bee68a9e823d5db
ripemd-160 870945a8070adb94dbbda52e11731c4e9f7e113c

21490884 as geometric shapes

Circle

Radius = n
Diameter 42981768
Circumference 135031206.5871
Area 1.4509699985717E+15

Sphere

Radius = n
Volume 4.1576837235713E+22
Surface area 5.8038799942868E+15
Circumference 135031206.5871

Square

Length = n
Perimeter 85963536
Area 461858095101456
Diagonal 30392699.620187

Cube

Length = n
Surface area 2771148570608736
Volume 9.9257387462864E+21
Space diagonal 37223302.987569

Equilateral Triangle

Length = n
Perimeter 64472652
Area 1.9999042165068E+14
Altitude 18611651.493785

Triangular Pyramid

Length = n
Surface area 1.9999042165068E+14
Volume 1.1697595292975E+21
Height 10130899.873396