31381490 (number)

31381490 is an even 8-digits composite number following 31381489 and preceding 31381491. In scientific notation, it is written as 3.1381490 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 10126080 positive integers (up to 31381490) that are relatively prime to 31381490.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-one thousand four hundred ninety

Notation

Scientific notation 3.1381490 × 10^7
Engineering notation 3.1381490 × 10^6

Prime Factorization of 31381490

Prime Factorization 2 × 7 × 5 × 17 × 26371

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31381490
Product of the distinct prime numbers

The prime factorization of 31381490 is 2 × 7 × 5 × 17 × 26371. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31381490)

Multiplication

n×y
n×2 62762980
n×3 94144470
n×4 125525960
n×5 156907450

Division

n÷y
n÷2 15690745
n÷3 10460496.666667
n÷3 7845372.5
n÷5 6276298

Exponentiation

ny
n2 984797914620100
n3 3.0904425909672E+22
n4 9.698269326401E+29
n5 3.0434614188376E+37

Nth Root

y√n
2√n 5601.9184213982
3√n 315.42142301387
4√n 74.84596463002
5√n 31.574371319162

Divisors of 31381490

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 -31381489
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 31381490 can be divided by 32 positive divisors. The sum of these divisors (counting 31381490) is 1, the average is 0.03125.

Base conversion 31381490

Base System Value
2 Binary 1110111101101011111110010
3 Ternary 2012001100022102
4 Quaternary 1313231133302
5 Quinary 31013201430
6 Senary 3040340402
8 Octal 167553762
10 Decimal 31381490
12 Duodecimal a614702
16 Hexadecimal 1ded7f2
20 Vigesimal 9g2dea
36 Base36 iom42

Cryptographic Hash Functions

md5 4bf1262035092bfa0f3d1d551284f2d4
sha1 416e7224fa225440c295b166096992d073e4f0d6
sha256 687e6975056c2a8cb4a1c69e0e22b8d1f3c6d5ea4a4ed9d4991e50c290ca41a9
sha512 aebe4faf2a23803a01ef2825adaf940ad8111bc720e7da16733c22ab8a5a824cdff3b798650d8865b4b5b474242084285f3468473479e28a3d2f69577191e73b
ripemd-160 9e03211d4006f66219750aa3df1f07fed483b88d

31381490 as geometric shapes

Circle

Radius = n
Diameter 62762980
Circumference 197175716.8854
Area 3.0938338938411E+15

Sphere

Radius = n
Volume 1.2945215653498E+23
Surface area 1.2375335575364E+16
Circumference 197175716.8854

Square

Length = n
Perimeter 125525960
Area 984797914620100
Diagonal 44380128.765476

Cube

Length = n
Surface area 5908787487720600
Volume 3.0904425909672E+22
Space diagonal 54354335.097215

Equilateral Triangle

Length = n
Perimeter 94144470
Area 4.2643000582747E+14
Altitude 27177167.548607

Triangular Pyramid

Length = n
Surface area 4.2643000582747E+14
Volume 3.6421215215677E+21
Height 14793376.255159