21131240 (number)

21131240 is an even 8-digits composite number following 21131239 and preceding 21131241. In scientific notation, it is written as 2.1131240 × 10^7. The sum of its digits is 14. It has a total of 6 prime factors and 32 positive divisors. There are 7802112 positive integers (up to 21131240) that are relatively prime to 21131240.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred forty

Notation

Scientific notation 2.1131240 × 10^7
Engineering notation 2.1131240 × 10^6

Prime Factorization of 21131240

Prime Factorization 2 × 2 × 2 × 13 × 5 × 40637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5282810
Product of the distinct prime numbers

The prime factorization of 21131240 is 2 × 2 × 2 × 13 × 5 × 40637. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 1, 48, 84, 86, 559, 2444, 2555, 75740, 80902, 446043, 450657, 2676839, 1128342, 32169516, 81785998, 252520197, 675597180, 5407498927, 9641642240

Basic calculations (n = 21131240)

Multiplication

n×y
n×2 42262480
n×3 63393720
n×4 84524960
n×5 105656200

Division

n÷y
n÷2 10565620
n÷3 7043746.6666667
n÷3 5282810
n÷5 4226248

Exponentiation

ny
n2 446529303937600
n3 9.4357178885384E+21
n4 1.99388419275E+29
n5 4.2133245409206E+36

Nth Root

y√n
2√n 4596.8728501015
3√n 276.4659565881
4√n 67.800242256953
5√n 29.173262279886

Divisors of 21131240

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 40637, 81274, 162548, 203185, 325096, 406370, 528281, 812740, 1056562, 1625480, 2113124, 2641405, 4226248, 5282810, 10565620, 21131240

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 -21131239
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 21131240 can be divided by 32 positive divisors. The sum of these divisors (counting 21131240) is 1, the average is 0.03125.

Base conversion 21131240

Base System Value
2 Binary 1010000100110111111101000
3 Ternary 1110202120121112
4 Quaternary 1100212333220
5 Quinary 20402144430
6 Senary 2032525452
8 Octal 120467750
10 Decimal 21131240
12 Duodecimal 70b0888
16 Hexadecimal 1426fe8
20 Vigesimal 6c1820
36 Base36 ckwyw

Cryptographic Hash Functions

md5 3db487baa0cfd249e2197e5bcb6c61e4
sha1 07dfae406ddc5ba91d59e575109ce36e67fd344b
sha256 67b4fe641d86d706cb420ad6ee14161f31a5e039fe93c1dd4986fe71fda977aa
sha512 a4d86e1c6211e4a9faf97a88b32e221f51d11d6d16313f6acfa4ed2c293f8162661950a671569869d2612e7218829e70ab6b958f2ae5e30d2d3d978d54d6ca54
ripemd-160 c38fea475b6656f425aebe470c8e31cea353ff8f

21131240 as geometric shapes

Circle

Radius = n
Diameter 42262480
Circumference 132771496.69049
Area 1.4028131808629E+15

Sphere

Radius = n
Volume 3.9524242666637E+22
Surface area 5.6112527234517E+15
Circumference 132771496.69049

Square

Length = n
Perimeter 84524960
Area 446529303937600
Diagonal 29884086.197761

Cube

Length = n
Surface area 2679175823625600
Volume 9.4357178885384E+21
Space diagonal 36600381.306932

Equilateral Triangle

Length = n
Perimeter 63393720
Area 1.9335286037207E+14
Altitude 18300190.653466

Triangular Pyramid

Length = n
Surface area 1.9335286037207E+14
Volume 1.1120100173914E+21
Height 9961362.0659203