31361281 (number)

31361281 is an odd 8-digits composite number following 31361280 and preceding 31361282. In scientific notation, it is written as 3.1361281 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 26881092 positive integers (up to 31361281) that are relatively prime to 31361281.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred sixty-one thousand two hundred eighty-one

Notation

Scientific notation 3.1361281 × 10^7
Engineering notation 3.1361281 × 10^6

Prime Factorization of 31361281

Prime Factorization 7 × 4480183

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31361281
Product of the distinct prime numbers

The prime factorization of 31361281 is 7 × 4480183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31361281)

Multiplication

n×y
n×2 62722562
n×3 94083843
n×4 125445124
n×5 156806405

Division

n÷y
n÷2 15680640.5
n÷3 10453760.333333
n÷3 7840320.25
n÷5 6272256.2

Exponentiation

ny
n2 983529945960961
n3 3.0844759007197E+22
n4 9.6733115460197E+29
n5 3.0336744159527E+37

Nth Root

y√n
2√n 5600.114373832
3√n 315.35370028579
4√n 74.833911923887
5√n 31.570303628947

Divisors of 31361281

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31361280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31361281 can be divided by 4 positive divisors. The sum of these divisors (counting 31361281) is 1, the average is 0.25.

Base conversion 31361281

Base System Value
2 Binary 1110111101000100100000001
3 Ternary 2012000022120221
4 Quaternary 1313220210001
5 Quinary 31012030111
6 Senary 3040103041
8 Octal 167504401
10 Decimal 31361281
12 Duodecimal a604a81
16 Hexadecimal 1de8901
20 Vigesimal 9g0341
36 Base36 io6ip

Cryptographic Hash Functions

md5 3d72d677bb6278ecb3358192550a5900
sha1 7064c430a442073152d8b99baa193b6159e7df32
sha256 f82ec2fa4bfceea60ddf1d510414228a9032fd1331be617de80fb1123206399c
sha512 7cfeb96f3e4a9d9d8282fd6024b5e31b1936da120649f1ab9cafa37bc6b3c78b9d09ecc346d1dd62b3b186faf0cb5e3d3b6dcd07d79a865a63ec6ee0458f4ddd
ripemd-160 8743f15f3c81cede87b5c9168792eb6f5c72b304

31361281 as geometric shapes

Circle

Radius = n
Diameter 62722562
Circumference 197048739.99353
Area 3.0898504528165E+15

Sphere

Radius = n
Volume 1.2920222439834E+23
Surface area 1.2359401811266E+16
Circumference 197048739.99353

Square

Length = n
Perimeter 125445124
Area 983529945960961
Diagonal 44351548.923594

Cube

Length = n
Surface area 5901179675765766
Volume 3.0844759007197E+22
Space diagonal 54319332.082444

Equilateral Triangle

Length = n
Perimeter 94083843
Area 4.2588095929246E+14
Altitude 27159666.041222

Triangular Pyramid

Length = n
Surface area 4.2588095929246E+14
Volume 3.6350897096756E+21
Height 14783849.641198