20731440 (number)

20731440 is an even 8-digits composite number following 20731439 and preceding 20731441. In scientific notation, it is written as 2.0731440 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 5528320 positive integers (up to 20731440) that are relatively prime to 20731440.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731440 × 10^7
Engineering notation 2.0731440 × 10^6

Prime Factorization of 20731440

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 86381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2591430
Product of the distinct prime numbers

The prime factorization of 20731440 is 2 × 2 × 2 × 2 × 3 × 5 × 86381. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 10, 89, 5, 791, 277, 7030, 3049, 22274, 29998, 300814, 45954, 2294753, 6505121, 75441087, 78277391, 334133904, 322254143, 7595725483, 8657716293

Basic calculations (n = 20731440)

Multiplication

n×y
n×2 41462880
n×3 62194320
n×4 82925760
n×5 103657200

Division

n÷y
n÷2 10365720
n÷3 6910480
n÷3 5182860
n÷5 4146288

Exponentiation

ny
n2 429792604473600
n3 8.9102195920882E+21
n4 1.847216828602E+29
n5 3.8295464849153E+36

Nth Root

y√n
2√n 4553.17910915
3√n 274.71127824511
4√n 67.477248826178
5√n 29.062026458353

Divisors of 20731440

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86381, 172762, 259143, 345524, 431905, 518286, 691048, 863810, 1036572, 1295715, 1382096, 1727620, 2073144, 2591430, 3455240, 4146288, 5182860, 6910480, 10365720, 20731440

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731440 can be divided by 40 positive divisors. The sum of these divisors (counting 20731440) is 1, the average is 0.025.

Base conversion 20731440

Base System Value
2 Binary 1001111000101011000110000
3 Ternary 1110000021012010
4 Quaternary 1033011120300
5 Quinary 20301401230
6 Senary 2020202520
8 Octal 117053060
10 Decimal 20731440
12 Duodecimal 6b39440
16 Hexadecimal 13c5630
20 Vigesimal 69b8c0
36 Base36 ccchc

Cryptographic Hash Functions

md5 30b5e7fb676a709826a2ca0ca9954924
sha1 81179ce3e70f1fb1d1e13037fb3a0389648e7114
sha256 96784b7ca85fbffc38669ca61507a6dbe9ae703cd12fd4cca585d0cd2a05dfd7
sha512 3b27c758ad39321089aec62a71465eaf6b6d69754350e82e18f6cf4982c7477ea05ccca6ce86bdd42836ca883ef5b6632db06a8dd9bc2317f88d7bb3f57cb861
ripemd-160 2d0a46fe29dfdeccd691ecd89b2ef9d1ce6af8ab

20731440 as geometric shapes

Circle

Radius = n
Diameter 41462880
Circumference 130259479.20468
Area 1.3502332887815E+15

Sphere

Radius = n
Volume 3.7323040549835E+22
Surface area 5.4009331551259E+15
Circumference 130259479.20468

Square

Length = n
Perimeter 82925760
Area 429792604473600
Diagonal 29318683.615524

Cube

Length = n
Surface area 2578755626841600
Volume 8.9102195920882E+21
Space diagonal 35907907.394066

Equilateral Triangle

Length = n
Perimeter 62194320
Area 1.8610565691641E+14
Altitude 17953953.697033

Triangular Pyramid

Length = n
Surface area 1.8610565691641E+14
Volume 1.0500794492378E+21
Height 9772894.538508