30906721 (number)

30906721 is an odd 8-digits composite number following 30906720 and preceding 30906722. In scientific notation, it is written as 3.0906721 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 28852320 positive integers (up to 30906721) that are relatively prime to 30906721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0906721 × 10^7
Engineering notation 3.0906721 × 10^6

Prime Factorization of 30906721

Prime Factorization 31 × 29 × 31 × 1109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 996991
Product of the distinct prime numbers

The prime factorization of 30906721 is 31 × 29 × 31 × 1109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 59, 89, 845, 372, 7011, 4701, 34872, 56002, 539320, 295531, 1889826, 1983591, 7483161, 20507582, 137422664, 106874936, 4745333909, 6782158338

Basic calculations (n = 30906721)

Multiplication

n×y
n×2 61813442
n×3 92720163
n×4 123626884
n×5 154533605

Division

n÷y
n÷2 15453360.5
n÷3 10302240.333333
n÷3 7726680.25
n÷5 6181344.2

Exponentiation

ny
n2 955225402971841
n3 2.9522885021763E+22
n4 9.1245557048272E+29
n5 2.8201009741805E+37

Nth Root

y√n
2√n 5559.3813504742
3√n 313.82266820463
4√n 74.561259045661
5√n 31.47825044412

Divisors of 30906721

1, 29, 31, 899, 961, 1109, 27869, 32161, 34379, 996991, 1065749, 30906721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30906720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30906721 can be divided by 12 positive divisors. The sum of these divisors (counting 30906721) is 1, the average is 0.083333333333333.

Base conversion 30906721

Base System Value
2 Binary 1110101111001100101100001
3 Ternary 2011011020001101
4 Quaternary 1311321211201
5 Quinary 30403003341
6 Senary 3022234401
8 Octal 165714541
10 Decimal 30906721
12 Duodecimal a425a01
16 Hexadecimal 1d79961
20 Vigesimal 9d36g1
36 Base36 iefs1

Cryptographic Hash Functions

md5 36b1853bcde0f772d649c47080e559fa
sha1 e3c6ed443c153a10762ded5acfb8a0b985d416a6
sha256 6bcdf67d547982ad5a93503eb7903d7629a2dc6c78a1c32b4af7248c9554f726
sha512 0dab1519e8e9099a6325fc60fd83ed5c7291b9f8825db0e97dc7b986d28d34da8d60c4927baf10120a009403ae85307e001311c2d1f5c63ebe01b22574412aa8
ripemd-160 fb78aee7d3555553f1e7f936795e1050b2158f51

30906721 as geometric shapes

Circle

Radius = n
Diameter 61813442
Circumference 194192655.2803
Area 3.0009291084987E+15

Sphere

Radius = n
Volume 1.236651715962E+23
Surface area 1.2003716433995E+16
Circumference 194192655.2803

Square

Length = n
Perimeter 123626884
Area 955225402971841
Diagonal 43708704.006681

Cube

Length = n
Surface area 5731352417831046
Volume 2.9522885021763E+22
Space diagonal 53532011.067356

Equilateral Triangle

Length = n
Perimeter 92720163
Area 4.1362473265692E+14
Altitude 26766005.533678

Triangular Pyramid

Length = n
Surface area 4.1362473265692E+14
Volume 3.4793053665133E+21
Height 14569568.002227