31006721 (number)

31006721 is an odd 8-digits composite number following 31006720 and preceding 31006722. In scientific notation, it is written as 3.1006721 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 30908592 positive integers (up to 31006721) that are relatively prime to 31006721.

Interesting facts

Basic properties

Name

Name thirty-one million six thousand seven hundred twenty-one

Notation

Scientific notation 3.1006721 × 10^7
Engineering notation 3.1006721 × 10^6

Prime Factorization of 31006721

Prime Factorization 317 × 97813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31006721
Product of the distinct prime numbers

The prime factorization of 31006721 is 317 × 97813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31006721)

Multiplication

n×y
n×2 62013442
n×3 93020163
n×4 124026884
n×5 155033605

Division

n÷y
n÷2 15503360.5
n÷3 10335573.666667
n÷3 7751680.25
n÷5 6201344.2

Exponentiation

ny
n2 961416747171841
n3 2.9810380844285E+22
n4 9.2432216174248E+29
n5 2.8660199383266E+37

Nth Root

y√n
2√n 5568.3678937369
3√n 314.16076598508
4√n 74.621497530785
5√n 31.498593973717

Divisors of 31006721

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 -31006720
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 31006721 can be divided by 4 positive divisors. The sum of these divisors (counting 31006721) is 1, the average is 0.25.

Base conversion 31006721

Base System Value
2 Binary 1110110010010000000000001
3 Ternary 2011100022020002
4 Quaternary 1312102000001
5 Quinary 30414203341
6 Senary 3024325345
8 Octal 166220001
10 Decimal 31006721
12 Duodecimal a473855
16 Hexadecimal 1d92001
20 Vigesimal 9dfgg1
36 Base36 igkxt

Cryptographic Hash Functions

md5 94191071bb936213626bc076b6eed769
sha1 bbd0f4d3173089cf6fcb47a1ced530e197bedc57
sha256 6b12592ab2d7f57b3267aac2448e8303e1728ed043c75918d7f9be90874a7d89
sha512 9553e494f18039be668c07f4e8fe8e0af99a948178bea995aca0f335800885c17c63817f2ef4faf91bada9e337f295de25d7f2509614e4b95191550886cc7e35
ripemd-160 c1c0046ea2e616d0abc10c95e47270f4c107b904

31006721 as geometric shapes

Circle

Radius = n
Diameter 62013442
Circumference 194820973.81102
Area 3.0203797899533E+15

Sphere

Radius = n
Volume 1.2486943128149E+23
Surface area 1.2081519159813E+16
Circumference 194820973.81102

Square

Length = n
Perimeter 124026884
Area 961416747171841
Diagonal 43850125.362919

Cube

Length = n
Surface area 5768500483031046
Volume 2.9810380844285E+22
Space diagonal 53705216.148113

Equilateral Triangle

Length = n
Perimeter 93020163
Area 4.1630566333731E+14
Altitude 26852608.074056

Triangular Pyramid

Length = n
Surface area 4.1630566333731E+14
Volume 3.5131870741246E+21
Height 14616708.454306