21105788 (number)

21105788 is an even 8-digits composite number following 21105787 and preceding 21105789. In scientific notation, it is written as 2.1105788 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 18 positive divisors. There are 9593320 positive integers (up to 21105788) that are relatively prime to 21105788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1105788 × 10^7
Engineering notation 2.1105788 × 10^6

Prime Factorization of 21105788

Prime Factorization 2 × 2 × 11 × 11 × 43607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 959354
Product of the distinct prime numbers

The prime factorization of 21105788 is 2 × 2 × 11 × 11 × 43607. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 6, 40, 486, 644, 4659, 5103, 74509, 7272, 619559, 390828, 8016996, 1212474, 49555525, 85247251, 157593898, 490089682, 9263713418, 9810118891

Basic calculations (n = 21105788)

Multiplication

n×y
n×2 42211576
n×3 63317364
n×4 84423152
n×5 105528940

Division

n÷y
n÷2 10552894
n÷3 7035262.6666667
n÷3 5276447
n÷5 4221157.6

Exponentiation

ny
n2 445454287100944
n3 9.4016637472437E+21
n4 1.9842952189661E+29
n5 4.1880114220912E+36

Nth Root

y√n
2√n 4594.1036122404
3√n 276.35491343502
4√n 67.779817145227
5√n 29.166231212449

Divisors of 21105788

1, 2, 4, 11, 22, 44, 121, 242, 484, 43607, 87214, 174428, 479677, 959354, 1918708, 5276447, 10552894, 21105788

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105788 can be divided by 18 positive divisors. The sum of these divisors (counting 21105788) is 1, the average is 0.055555555555556.

Base conversion 21105788

Base System Value
2 Binary 1010000100000110001111100
3 Ternary 1110201021200212
4 Quaternary 1100200301330
5 Quinary 20400341123
6 Senary 2032211552
8 Octal 120406174
10 Decimal 21105788
12 Duodecimal 7099bb8
16 Hexadecimal 1420c7c
20 Vigesimal 6bi498
36 Base36 ckdbw

Cryptographic Hash Functions

md5 b0d4f42e9032781013325f03a9bccc05
sha1 aaaca8df85d07cc2dcc6ebee628264d102d3ad1e
sha256 dd1c7a7c790d3ae57618b3a12f79c2e2c57180879b36f04093217ea2eb1ac320
sha512 1776ff320f3b17fc300df3c78d47e61922535ffb097a5ea439b1a5d970a2f47bdaf235d332ef0b404119acf69d3ee59922dfe000944d584376dfc38549defd04
ripemd-160 aca5138279eea6c206e77c949f9660e5367f1232

21105788 as geometric shapes

Circle

Radius = n
Diameter 42211576
Circumference 132611577.05805
Area 1.3994359158664E+15

Sphere

Radius = n
Volume 3.938159701315E+22
Surface area 5.5977436634656E+15
Circumference 132611577.05805

Square

Length = n
Perimeter 84423152
Area 445454287100944
Diagonal 29848091.634171

Cube

Length = n
Surface area 2672725722605664
Volume 9.4016637472437E+21
Space diagonal 36556297.149778

Equilateral Triangle

Length = n
Perimeter 63317364
Area 1.9288736442705E+14
Altitude 18278148.574889

Triangular Pyramid

Length = n
Surface area 1.9288736442705E+14
Volume 1.107996698352E+21
Height 9949363.8780571