21031768 (number)

21031768 is an even 8-digits composite number following 21031767 and preceding 21031769. In scientific notation, it is written as 2.1031768 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 10264320 positive integers (up to 21031768) that are relatively prime to 21031768.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031768 × 10^7
Engineering notation 2.1031768 × 10^6

Prime Factorization of 21031768

Prime Factorization 2 × 2 × 2 × 9701 × 271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5257942
Product of the distinct prime numbers

The prime factorization of 21031768 is 2 × 2 × 2 × 9701 × 271. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 52, 54, 535, 610, 5110, 7852, 83581, 26319, 130234, 586273, 1282207, 6118360, 66672759, 86336740, 265949375, 937680593, 7503012762, 7312756295

Basic calculations (n = 21031768)

Multiplication

n×y
n×2 42063536
n×3 63095304
n×4 84127072
n×5 105158840

Division

n÷y
n÷2 10515884
n÷3 7010589.3333333
n÷3 5257942
n÷5 4206353.6

Exponentiation

ny
n2 442335265205824
n3 9.3030926760274E+21
n4 1.9566048684471E+29
n5 4.1150859660849E+36

Nth Root

y√n
2√n 4586.0405580413
3√n 276.03146739168
4√n 67.720311266571
5√n 29.145744705261

Divisors of 21031768

1, 2, 4, 8, 271, 542, 1084, 2168, 9701, 19402, 38804, 77608, 2628971, 5257942, 10515884, 21031768

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031768 can be divided by 16 positive divisors. The sum of these divisors (counting 21031768) is 1, the average is 0.0625.

Base conversion 21031768

Base System Value
2 Binary 1010000001110101101011000
3 Ternary 1110120112011101
4 Quaternary 1100032231120
5 Quinary 20341004033
6 Senary 2030441144
8 Octal 120165530
10 Decimal 21031768
12 Duodecimal 70631b4
16 Hexadecimal 140eb58
20 Vigesimal 6b8j88
36 Base36 cis7s

Cryptographic Hash Functions

md5 e0555323415ec7aaa11ea828af72f375
sha1 7e1decd73150d8cc0d08b5c310b70d1fd31a5f59
sha256 251071c3fea053eb672cce49278ccc0823ccf37d34e3c310f0b1aaef81ae30d3
sha512 faa63a8f5c9eada049041c75c19dd53041cf99a78b0e13d9ca1baddda277cfc66241542189de1acf96a9134e1dbc6f94696c3f3133418a5de6505786f628ad4b
ripemd-160 67a267bb86072a803bdd7756ed596319faf7ee2d

21031768 as geometric shapes

Circle

Radius = n
Diameter 42063536
Circumference 132146495.68161
Area 1.3896372195943E+15

Sphere

Radius = n
Volume 3.8968703475563E+22
Surface area 5.5585488783772E+15
Circumference 132146495.68161

Square

Length = n
Perimeter 84127072
Area 442335265205824
Diagonal 29743411.546284

Cube

Length = n
Surface area 2654011591234944
Volume 9.3030926760274E+21
Space diagonal 36428090.749001

Equilateral Triangle

Length = n
Perimeter 63095304
Area 1.9153678832899E+14
Altitude 18214045.374501

Triangular Pyramid

Length = n
Surface area 1.9153678832899E+14
Volume 1.0963799862043E+21
Height 9914470.5154282