30921491 (number)

30921491 is an odd 8-digits composite number following 30921490 and preceding 30921492. In scientific notation, it is written as 3.0921491 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 30878232 positive integers (up to 30921491) that are relatively prime to 30921491.

Interesting facts

Basic properties

Name

Name thirty million nine hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation 3.0921491 × 10^7
Engineering notation 3.0921491 × 10^6

Prime Factorization of 30921491

Prime Factorization 727 × 42533

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30921491
Product of the distinct prime numbers

The prime factorization of 30921491 is 727 × 42533. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30921491)

Multiplication

n×y
n×2 61842982
n×3 92764473
n×4 123685964
n×5 154607455

Division

n÷y
n÷2 15460745.5
n÷3 10307163.666667
n÷3 7730372.75
n÷5 6184298.2

Exponentiation

ny
n2 956138605663081
n3 2.9565231289764E+22
n4 9.1420103323934E+29
n5 2.8268459021501E+37

Nth Root

y√n
2√n 5560.7095770234
3√n 313.87265110469
4√n 74.570165461955
5√n 31.481258494762

Divisors of 30921491

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 -30921490
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 30921491 can be divided by 4 positive divisors. The sum of these divisors (counting 30921491) is 1, the average is 0.25.

Base conversion 30921491

Base System Value
2 Binary 1110101111101001100010011
3 Ternary 2011011222022102
4 Quaternary 1311331030103
5 Quinary 30403441431
6 Senary 3022431015
8 Octal 165751423
10 Decimal 30921491
12 Duodecimal a43246b
16 Hexadecimal 1d7d313
20 Vigesimal 9d53eb
36 Base36 ier6b

Cryptographic Hash Functions

md5 5ef71d38e5d651d15ee20f0e47b33066
sha1 de87bcb4f567ec4b490c423c49fca37d4898d897
sha256 7a6d09b52faa0a9463714fdc1b3d63dfa81cf11f0799789b52cb95346003afaf
sha512 44cda78ce1da9e30d136f1a959c85233973d61304416cbd38d310ce526b503d45d96ac17dcc3e64c8a753bea7c7822a416709cfb89bc1a8d5f84484d1cf9b91a
ripemd-160 961282fd054478a504c6a8c7840203e6c850d486

30921491 as geometric shapes

Circle

Radius = n
Diameter 61842982
Circumference 194285457.92729
Area 3.0037980193647E+15

Sphere

Radius = n
Volume 1.2384255122881E+23
Surface area 1.2015192077459E+16
Circumference 194285457.92729

Square

Length = n
Perimeter 123685964
Area 956138605663081
Diagonal 43729591.940998

Cube

Length = n
Surface area 5736831633978486
Volume 2.9565231289764E+22
Space diagonal 53557593.457784

Equilateral Triangle

Length = n
Perimeter 92764473
Area 4.1402016102163E+14
Altitude 26778796.728892

Triangular Pyramid

Length = n
Surface area 4.1402016102163E+14
Volume 3.4842959220567E+21
Height 14576530.646999