21131768 (number)

21131768 is an even 8-digits composite number following 21131767 and preceding 21131769. In scientific notation, it is written as 2.1131768 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 9056448 positive integers (up to 21131768) that are relatively prime to 21131768.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131768 × 10^7
Engineering notation 2.1131768 × 10^6

Prime Factorization of 21131768

Prime Factorization 2 × 2 × 2 × 7 × 377353

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5282942
Product of the distinct prime numbers

The prime factorization of 21131768 is 2 × 2 × 2 × 7 × 377353. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 5, 5, 559, 903, 401, 9146, 23572, 57072, 950944, 750910, 1339011, 7004703, 38634426, 23971112, 804762485, 230082048, 7026473858, 4925200598

Basic calculations (n = 21131768)

Multiplication

n×y
n×2 42263536
n×3 63395304
n×4 84527072
n×5 105658840

Division

n÷y
n÷2 10565884
n÷3 7043922.6666667
n÷3 5282942
n÷5 4226353.6

Exponentiation

ny
n2 446551618805824
n3 9.4364252086291E+21
n4 1.994083482581E+29
n5 4.2138509526534E+36

Nth Root

y√n
2√n 4596.9302800891
3√n 276.46825922642
4√n 67.800665779099
5√n 29.173408067152

Divisors of 21131768

1, 2, 4, 7, 8, 14, 28, 56, 377353, 754706, 1509412, 2641471, 3018824, 5282942, 10565884, 21131768

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 -21131767
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 21131768 can be divided by 16 positive divisors. The sum of these divisors (counting 21131768) is 1, the average is 0.0625.

Base conversion 21131768

Base System Value
2 Binary 1010000100111000111111000
3 Ternary 1110202121100002
4 Quaternary 1100213013320
5 Quinary 20402204033
6 Senary 2032532132
8 Octal 120470770
10 Decimal 21131768
12 Duodecimal 70b1048
16 Hexadecimal 14271f8
20 Vigesimal 6c1988
36 Base36 ckxdk

Cryptographic Hash Functions

md5 931b7da4a74a289436ad484ea1dcb297
sha1 53bed8c94b7f0cc34ba919ae4ede15218a4ea36f
sha256 712e9000a27a26332cb5eb0974dca88f1ce7e295f6140f5abedef65779aac5bf
sha512 b19a91150822fcaf1d24d772991540a49d0342b6694593826a7cffa9bca23aa063b3eee20e885ea9dcd34b111b1e92b8a5dbd37a329cf865e3a3d02084ea7c9c
ripemd-160 5b1a035c670c9dbdfc0aaab060525e3aa9ba0b86

21131768 as geometric shapes

Circle

Radius = n
Diameter 42263536
Circumference 132774814.21233
Area 1.402883285089E+15

Sphere

Radius = n
Volume 3.9527205482105E+22
Surface area 5.611533140356E+15
Circumference 132774814.21233

Square

Length = n
Perimeter 84527072
Area 446551618805824
Diagonal 29884832.902522

Cube

Length = n
Surface area 2679309712834944
Volume 9.4364252086291E+21
Space diagonal 36601295.829758

Equilateral Triangle

Length = n
Perimeter 63395304
Area 1.9336252299345E+14
Altitude 18300647.914879

Triangular Pyramid

Length = n
Surface area 1.9336252299345E+14
Volume 1.1120933758636E+21
Height 9961610.9675073