21031788 (number)

21031788 is an even 8-digits composite number following 21031787 and preceding 21031789. In scientific notation, it is written as 2.1031788 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 6539520 positive integers (up to 21031788) that are relatively prime to 21031788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031788 × 10^7
Engineering notation 2.1031788 × 10^6

Prime Factorization of 21031788

Prime Factorization 2 × 2 × 3 × 17 × 131 × 787

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10515894
Product of the distinct prime numbers

The prime factorization of 21031788 is 2 × 2 × 3 × 17 × 131 × 787. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 34, 52, 683, 786, 6175, 9674, 34499, 24440, 286694, 782567, 1455106, 1167762, 7739007, 72895037, 39160110, 722699513, 2979861455, 7870520031

Basic calculations (n = 21031788)

Multiplication

n×y
n×2 42063576
n×3 63095364
n×4 84127152
n×5 105158940

Division

n÷y
n÷2 10515894
n÷3 7010596
n÷3 5257947
n÷5 4206357.6

Exponentiation

ny
n2 442336106476944
n3 9.3031192161685E+21
n4 1.9566123109318E+29
n5 4.1151055321708E+36

Nth Root

y√n
2√n 4586.042738571
3√n 276.03155488833
4√n 67.720327366095
5√n 29.145750248444

Divisors of 21031788

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 131, 204, 262, 393, 524, 786, 787, 1572, 1574, 2227, 2361, 3148, 4454, 4722, 6681, 8908, 9444, 13362, 13379, 26724, 26758, 40137, 53516, 80274, 103097, 160548, 206194, 309291, 412388, 618582, 1237164, 1752649, 3505298, 5257947, 7010596, 10515894, 21031788

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 -21031787
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 21031788 can be divided by 48 positive divisors. The sum of these divisors (counting 21031788) is 1, the average is 0.020833333333333.

Base conversion 21031788

Base System Value
2 Binary 1010000001110101101101100
3 Ternary 1110120112012010
4 Quaternary 1100032231230
5 Quinary 20341004123
6 Senary 2030441220
8 Octal 120165554
10 Decimal 21031788
12 Duodecimal 7063210
16 Hexadecimal 140eb6c
20 Vigesimal 6b8j98
36 Base36 cis8c

Cryptographic Hash Functions

md5 4e40696c9fbc3e34e27a6866e50f8832
sha1 cdddf720f1d39cbe41aa9853fb6532fc6795aaa0
sha256 838f617d83e6393603938f792e20bb07ef6edceba417b7b9e08bb959f61e1c1f
sha512 783cfdc00ca81301bedb59463164824c485760726f65af4f44c6d38d82bdd63d511cccc44399935f42ec5bba7ed9a3b6a7f430e904744de005240eca1ea2d5bc
ripemd-160 38c5afb4c5f9e9226464d64a0f1199a8214d45ec

21031788 as geometric shapes

Circle

Radius = n
Diameter 42063576
Circumference 132146621.34532
Area 1.3896398625255E+15

Sphere

Radius = n
Volume 3.8968814646647E+22
Surface area 5.5585594501019E+15
Circumference 132146621.34532

Square

Length = n
Perimeter 84127152
Area 442336106476944
Diagonal 29743439.830556

Cube

Length = n
Surface area 2654016638861664
Volume 9.3031192161685E+21
Space diagonal 36428125.390017

Equilateral Triangle

Length = n
Perimeter 63095364
Area 1.9153715261007E+14
Altitude 18214062.695009

Triangular Pyramid

Length = n
Surface area 1.9153715261007E+14
Volume 1.0963831139899E+21
Height 9914479.9435186