31361891 (number)

31361891 is an odd 8-digits composite number following 31361890 and preceding 31361892. In scientific notation, it is written as 3.1361891 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28510800 positive integers (up to 31361891) that are relatively prime to 31361891.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred sixty-one thousand eight hundred ninety-one

Notation

Scientific notation 3.1361891 × 10^7
Engineering notation 3.1361891 × 10^6

Prime Factorization of 31361891

Prime Factorization 11 × 2851081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31361891
Product of the distinct prime numbers

The prime factorization of 31361891 is 11 × 2851081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31361891)

Multiplication

n×y
n×2 62723782
n×3 94085673
n×4 125447564
n×5 156809455

Division

n÷y
n÷2 15680945.5
n÷3 10453963.666667
n÷3 7840472.75
n÷5 6272378.2

Exponentiation

ny
n2 983568207095881
n3 3.0846558902006E+22
n4 9.6740641800981E+29
n5 3.0339694634324E+37

Nth Root

y√n
2√n 5600.1688367405
3√n 315.35574489307
4√n 74.8342758149
5√n 31.57042644112

Divisors of 31361891

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 -31361890
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 31361891 can be divided by 4 positive divisors. The sum of these divisors (counting 31361891) is 1, the average is 0.25.

Base conversion 31361891

Base System Value
2 Binary 1110111101000101101100011
3 Ternary 2012000100102112
4 Quaternary 1313220231203
5 Quinary 31012040031
6 Senary 3040105535
8 Octal 167505543
10 Decimal 31361891
12 Duodecimal a6052ab
16 Hexadecimal 1de8b63
20 Vigesimal 9g04eb
36 Base36 io6zn

Cryptographic Hash Functions

md5 d360ada94591c4f51ace06649950780a
sha1 d8fbae7a43ccfed9ef5780d4284c95d20d28c500
sha256 1f0563c13bc9813066a967d94d08dd03d11a75f5ce72783f0c9927b473a28d5c
sha512 7b6fad6180f3ed728b9d91d9cc0c137a1a2fbc1c02e9f62d224e25ae428081f2d915172c19dcccd81da95285a3facd9354646b54f2b10dd0dfb3eebc2cafe867
ripemd-160 acdedcb2eeb09a3ddf75fb21455b14503a939917

31361891 as geometric shapes

Circle

Radius = n
Diameter 62723782
Circumference 197052572.73657
Area 3.0899706537169E+15

Sphere

Radius = n
Volume 1.2920976378009E+23
Surface area 1.2359882614868E+16
Circumference 197052572.73657

Square

Length = n
Perimeter 125447564
Area 983568207095881
Diagonal 44352411.593867

Cube

Length = n
Surface area 5901409242575286
Volume 3.0846558902006E+22
Space diagonal 54320388.633437

Equilateral Triangle

Length = n
Perimeter 94085673
Area 4.2589752684987E+14
Altitude 27160194.316719

Triangular Pyramid

Length = n
Surface area 4.2589752684987E+14
Volume 3.6353018293132E+21
Height 14784137.197956