30797981 (number)

30797981 is an odd 8-digits composite number following 30797980 and preceding 30797982. In scientific notation, it is written as 3.0797981 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 30663264 positive integers (up to 30797981) that are relatively prime to 30797981.

Interesting facts

Basic properties

Name

Name thirty million seven hundred ninety-seven thousand nine hundred eighty-one

Notation

Scientific notation 3.0797981 × 10^7
Engineering notation 3.0797981 × 10^6

Prime Factorization of 30797981

Prime Factorization 229 × 134489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30797981
Product of the distinct prime numbers

The prime factorization of 30797981 is 229 × 134489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30797981)

Multiplication

n×y
n×2 61595962
n×3 92393943
n×4 123191924
n×5 153989905

Division

n÷y
n÷2 15398990.5
n÷3 10265993.666667
n÷3 7699495.25
n÷5 6159596.2

Exponentiation

ny
n2 948515633676361
n3 2.9212366464168E+22
n4 8.9968190732847E+29
n5 2.7708386287946E+37

Nth Root

y√n
2√n 5549.5928679499
3√n 313.45419197116
4√n 74.495589587236
5√n 31.456069039851

Divisors of 30797981

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 -30797980
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 30797981 can be divided by 4 positive divisors. The sum of these divisors (counting 30797981) is 1, the average is 0.25.

Base conversion 30797981

Base System Value
2 Binary 1110101011111000010011101
3 Ternary 2010221200212222
4 Quaternary 1311133002131
5 Quinary 30341013411
6 Senary 3020035125
8 Octal 165370235
10 Decimal 30797981
12 Duodecimal a392aa5
16 Hexadecimal 1d5f09d
20 Vigesimal 9c9ej1
36 Base36 ic3vh

Cryptographic Hash Functions

md5 10db9e90f015e883c3ecbf29384bd50f
sha1 20b310db5da952276a7bbf48d6f08254fe723ae6
sha256 06206e27778e0af30ceb390f0e1e4a3967213623600395a0dd52eb0b7d7a252e
sha512 1100714a84d8209fd9c484c9393a1f2d8b2a4f7c06efd84ceeaaa9e2036a8b461ef249a9b43e7bfd312361225e9d45f7c6c9e0ae07a2029b87794c213bb8f047
ripemd-160 978620934ca7657bf47bbab29004e4dfe7978d8d

30797981 as geometric shapes

Circle

Radius = n
Diameter 61595962
Circumference 193509421.71
Area 2.9798497465727E+15

Sphere

Radius = n
Volume 1.2236447450374E+23
Surface area 1.1919398986291E+16
Circumference 193509421.71

Square

Length = n
Perimeter 123191924
Area 948515633676361
Diagonal 43554922.423909

Cube

Length = n
Surface area 5691093802058166
Volume 2.9212366464168E+22
Space diagonal 53343667.862541

Equilateral Triangle

Length = n
Perimeter 92393943
Area 4.1071931732521E+14
Altitude 26671833.93127

Triangular Pyramid

Length = n
Surface area 4.1071931732521E+14
Volume 3.4427104035532E+21
Height 14518307.474636