21131440 (number)

21131440 is an even 8-digits composite number following 21131439 and preceding 21131441. In scientific notation, it is written as 2.1131440 × 10^7. The sum of its digits is 16. It has a total of 8 prime factors and 80 positive divisors. There are 7349760 positive integers (up to 21131440) that are relatively prime to 21131440.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131440 × 10^7
Engineering notation 2.1131440 × 10^6

Prime Factorization of 21131440

Prime Factorization 2 × 2 × 2 × 2 × 5 × 407 × 11 × 59

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2641430
Product of the distinct prime numbers

The prime factorization of 21131440 is 2 × 2 × 2 × 2 × 5 × 407 × 11 × 59. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 8, 53, 6, 628, 60, 3258, 9610, 59008, 76408, 410541, 279187, 4670618, 9098516, 33175426, 45981634, 243995775, 343426119, 6739123842, 1460991692

Basic calculations (n = 21131440)

Multiplication

n×y
n×2 42262880
n×3 63394320
n×4 84525760
n×5 105657200

Division

n÷y
n÷2 10565720
n÷3 7043813.3333333
n÷3 5282860
n÷5 4226288

Exponentiation

ny
n2 446537756473600
n3 9.4359858086565E+21
n4 1.9939596795648E+29
n5 4.2135239331142E+36

Nth Root

y√n
2√n 4596.8946039691
3√n 276.4668288041
4√n 67.800402682942
5√n 29.173317502678

Divisors of 21131440

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 407, 440, 472, 590, 649, 814, 880, 944, 1180, 1298, 1628, 2035, 2360, 2596, 3245, 3256, 4070, 4477, 4720, 5192, 6490, 6512, 8140, 8954, 10384, 12980, 16280, 17908, 22385, 24013, 25960, 32560, 35816, 44770, 48026, 51920, 71632, 89540, 96052, 120065, 179080, 192104, 240130, 264143, 358160, 384208, 480260, 528286, 960520, 1056572, 1320715, 1921040, 2113144, 2641430, 4226288, 5282860, 10565720, 21131440

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131440 can be divided by 80 positive divisors. The sum of these divisors (counting 21131440) is 1, the average is 0.0125.

Base conversion 21131440

Base System Value
2 Binary 1010000100111000010110000
3 Ternary 1110202120212221
4 Quaternary 1100213002300
5 Quinary 20402201230
6 Senary 2032530424
8 Octal 120470260
10 Decimal 21131440
12 Duodecimal 70b0a14
16 Hexadecimal 14270b0
20 Vigesimal 6c18c0
36 Base36 ckx4g

Cryptographic Hash Functions

md5 7310a7f9ba7064d0f613f9e09a3e1962
sha1 7cf9f647f88d8e3d7735c349a60033a0515abae2
sha256 f2e1532adf20f42236be5e2fd4fd8636c75d7bf93178a831b854b7f5e8e754c3
sha512 9ac1a1f784fd98b5ccda0f3b28e11fcc5e2da2e1f72ed927b63be6ad78956103a7b111550c990597063b6ae6862e9a6e5226dc10488fe6d908d2249e61b5d346
ripemd-160 024a8f95426a2cb366f01c0443492f85e1d3b3d4

21131440 as geometric shapes

Circle

Radius = n
Diameter 42262880
Circumference 132772753.32755
Area 1.4028397352879E+15

Sphere

Radius = n
Volume 3.9525364927804E+22
Surface area 5.6113589411517E+15
Circumference 132772753.32755

Square

Length = n
Perimeter 84525760
Area 446537756473600
Diagonal 29884369.040473

Cube

Length = n
Surface area 2679226538841600
Volume 9.4359858086565E+21
Space diagonal 36600727.717093

Equilateral Triangle

Length = n
Perimeter 63394320
Area 1.9335652042752E+14
Altitude 18300363.858547

Triangular Pyramid

Length = n
Surface area 1.9335652042752E+14
Volume 1.1120415920802E+21
Height 9961456.3468244