21031968 (number)

21031968 is an even 8-digits composite number following 21031967 and preceding 21031969. In scientific notation, it is written as 2.1031968 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 24 positive divisors. There are 7010624 positive integers (up to 21031968) that are relatively prime to 21031968.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred sixty-eight

Notation

Scientific notation 2.1031968 × 10^7
Engineering notation 2.1031968 × 10^6

Prime Factorization of 21031968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 219083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1314498
Product of the distinct prime numbers

The prime factorization of 21031968 is 2 × 2 × 2 × 2 × 2 × 3 × 219083. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 7, 44, 46, 343, 364, 5084, 2211, 45481, 1130, 746103, 76321, 1649676, 5624992, 53998191, 59126266, 571748278, 335125854, 1703359392, 3449273754

Basic calculations (n = 21031968)

Multiplication

n×y
n×2 42063936
n×3 63095904
n×4 84127872
n×5 105159840

Division

n÷y
n÷2 10515984
n÷3 7010656
n÷3 5257992
n÷5 4206393.6

Exponentiation

ny
n2 442343677953024
n3 9.3033580797103E+21
n4 1.9566792942501E+29
n5 4.115281630293E+36

Nth Root

y√n
2√n 4586.0623632916
3√n 276.03234235566
4√n 67.720472261286
5√n 29.145800136899

Divisors of 21031968

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 219083, 438166, 657249, 876332, 1314498, 1752664, 2628996, 3505328, 5257992, 7010656, 10515984, 21031968

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 -21031967
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 21031968 can be divided by 24 positive divisors. The sum of these divisors (counting 21031968) is 1, the average is 0.041666666666667.

Base conversion 21031968

Base System Value
2 Binary 1010000001110110000100000
3 Ternary 1110120112102210
4 Quaternary 1100032300200
5 Quinary 20341010333
6 Senary 2030442120
8 Octal 120166040
10 Decimal 21031968
12 Duodecimal 7063340
16 Hexadecimal 140ec20
20 Vigesimal 6b8ji8
36 Base36 cisdc

Cryptographic Hash Functions

md5 841bf3a6d0f223a8f329d4083f48024f
sha1 c27130c33b6065a8a16a41584f641b6bb35c5463
sha256 b7c8b02f6ce84420c015d079045e63687b3bed6af16ff70e2132951308a18bad
sha512 075ab991dd7cfca64629275ea6f01721b0e06b96a59c765d4944a3987ba3b16dc94eee2bfee79a43301320c520725b74450824d6fa1a8d7edea973e954f8d7ec
ripemd-160 f1bb4dc03ceefad79692355dcd85447c28d70df6

21031968 as geometric shapes

Circle

Radius = n
Diameter 42063936
Circumference 132147752.31867
Area 1.3896636490191E+15

Sphere

Radius = n
Volume 3.8969815195911E+22
Surface area 5.5586545960764E+15
Circumference 132147752.31867

Square

Length = n
Perimeter 84127872
Area 442343677953024
Diagonal 29743694.388997

Cube

Length = n
Surface area 2654062067718144
Volume 9.3033580797103E+21
Space diagonal 36428437.159163

Equilateral Triangle

Length = n
Perimeter 63095904
Area 1.9154043115538E+14
Altitude 18214218.579581

Triangular Pyramid

Length = n
Surface area 1.9154043115538E+14
Volume 1.0964112643283E+21
Height 9914564.7963323