31431440 (number)

31431440 is an even 8-digits composite number following 31431439 and preceding 31431441. In scientific notation, it is written as 3.1431440 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors. There are 12572544 positive integers (up to 31431440) that are relatively prime to 31431440.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1431440 × 10^7
Engineering notation 3.1431440 × 10^6

Prime Factorization of 31431440

Prime Factorization 2 × 2 × 2 × 2 × 5 × 392893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3928930
Product of the distinct prime numbers

The prime factorization of 31431440 is 2 × 2 × 2 × 2 × 5 × 392893. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 10, 46, 72, 111, 44, 7497, 8397, 1498, 34258, 141372, 556926, 5534159, 7746853, 66290755, 21420818, 903303123, 957970985, 1681505622, 4794547973

Basic calculations (n = 31431440)

Multiplication

n×y
n×2 62862880
n×3 94294320
n×4 125725760
n×5 157157200

Division

n÷y
n÷2 15715720
n÷3 10477146.666667
n÷3 7857860
n÷5 6286288

Exponentiation

ny
n2 987935420473600
n3 3.1052232892491E+22
n4 9.7601639502635E+29
n5 3.0677600759287E+37

Nth Root

y√n
2√n 5606.3749428664
3√n 315.58868666954
4√n 74.875729998888
5√n 31.58441632767

Divisors of 31431440

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392893, 785786, 1571572, 1964465, 3143144, 3928930, 6286288, 7857860, 15715720, 31431440

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31431439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31431440 can be divided by 20 positive divisors. The sum of these divisors (counting 31431440) is 1, the average is 0.05.

Base conversion 31431440

Base System Value
2 Binary 1110111111001101100010000
3 Ternary 2012010212211102
4 Quaternary 1313321230100
5 Quinary 31021301230
6 Senary 3041403532
8 Octal 167715420
10 Decimal 31431440
12 Duodecimal a6395a8
16 Hexadecimal 1df9b10
20 Vigesimal 9g8ic0
36 Base36 iponk

Cryptographic Hash Functions

md5 7d71211de6d64748e812e220d9a35ebd
sha1 2d7ab005564e24e54d26e1fb323274f35d39294e
sha256 88ee4024d69539d500d3bd5df7fa7bea7ecfcea7716bb0aed9d1b57b28c2832e
sha512 eba3d200a67572e9102c12ab0233041cc3c318d176a3b412811563e38b049abbd82ada8db13c3e8267b8e38241494433f60969ce12c96f28d23fafbcfe4b2a31
ripemd-160 6d9dcc13ea9eb806e2b940febac4ec180d6417b3

31431440 as geometric shapes

Circle

Radius = n
Diameter 62862880
Circumference 197489561.9915
Area 3.103690659181E+15

Sphere

Radius = n
Volume 1.3007128897681E+23
Surface area 1.2414762636724E+16
Circumference 197489561.9915

Square

Length = n
Perimeter 125725760
Area 987935420473600
Diagonal 44450768.732916

Cube

Length = n
Surface area 5927612522841600
Volume 3.1052232892491E+22
Space diagonal 54440851.035053

Equilateral Triangle

Length = n
Perimeter 94294320
Area 4.277885857143E+14
Altitude 27220425.517526

Triangular Pyramid

Length = n
Surface area 4.277885857143E+14
Volume 3.659540741544E+21
Height 14816922.910972