21031784 (number)

21031784 is an even 8-digits composite number following 21031783 and preceding 21031785. In scientific notation, it is written as 2.1031784 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors. There are 9893952 positive integers (up to 21031784) that are relatively prime to 21031784.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred eighty-four

Notation

Scientific notation 2.1031784 × 10^7
Engineering notation 2.1031784 × 10^6

Prime Factorization of 21031784

Prime Factorization 2 × 2 × 2 × 19 × 179 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5257946
Product of the distinct prime numbers

The prime factorization of 21031784 is 2 × 2 × 2 × 19 × 179 × 773. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 1, 86, 35, 441, 968, 252, 9710, 62467, 74059, 145824, 584950, 2286369, 7351148, 57000228, 54069012, 717259449, 471764937, 5150935674, 512388162

Basic calculations (n = 21031784)

Multiplication

n×y
n×2 42063568
n×3 63095352
n×4 84127136
n×5 105158920

Division

n÷y
n÷2 10515892
n÷3 7010594.6666667
n÷3 5257946
n÷5 4206356.8

Exponentiation

ny
n2 442335938222656
n3 9.3031139081362E+21
n4 1.9566108224332E+29
n5 4.1151016189477E+36

Nth Root

y√n
2√n 4586.0423024652
3√n 276.031537389
4√n 67.720324146191
5√n 29.145749139808

Divisors of 21031784

1, 2, 4, 8, 19, 38, 76, 152, 179, 358, 716, 773, 1432, 1546, 3092, 3401, 6184, 6802, 13604, 14687, 27208, 29374, 58748, 117496, 138367, 276734, 553468, 1106936, 2628973, 5257946, 10515892, 21031784

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 -21031783
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 21031784 can be divided by 32 positive divisors. The sum of these divisors (counting 21031784) is 1, the average is 0.03125.

Base conversion 21031784

Base System Value
2 Binary 1010000001110101101101000
3 Ternary 1110120112011222
4 Quaternary 1100032231220
5 Quinary 20341004114
6 Senary 2030441212
8 Octal 120165550
10 Decimal 21031784
12 Duodecimal 7063208
16 Hexadecimal 140eb68
20 Vigesimal 6b8j94
36 Base36 cis88

Cryptographic Hash Functions

md5 fb29c90c4686802776419ffc118fc66b
sha1 de4d33a8a7985b8f86bdc9f3e08361c0dc44833f
sha256 ed798c0b6050964a58256c1bbbcbc06db0e601e26f55065faa71c551e3e1ebf7
sha512 ed0ac12129b508e59b6a8f9263071914edabeb67aac79ef01b338823826e4accda2632190cf2680259be285ef22350f9d3e4d1a9f048774887e4fc8bcea61488
ripemd-160 61dfec36036929fd8e7f6eb213f795712c78aebb

21031784 as geometric shapes

Circle

Radius = n
Diameter 42063568
Circumference 132146596.21257
Area 1.389639333939E+15

Sphere

Radius = n
Volume 3.8968792412413E+22
Surface area 5.5585573357562E+15
Circumference 132146596.21257

Square

Length = n
Perimeter 84127136
Area 442335938222656
Diagonal 29743434.173701

Cube

Length = n
Surface area 2654015629335936
Volume 9.3031139081362E+21
Space diagonal 36428118.461814

Equilateral Triangle

Length = n
Perimeter 63095352
Area 1.9153707975382E+14
Altitude 18214059.230907

Triangular Pyramid

Length = n
Surface area 1.9153707975382E+14
Volume 1.0963824884323E+21
Height 9914478.0579005