30921490 (number)

30921490 is an even 8-digits composite number following 30921489 and preceding 30921491. In scientific notation, it is written as 3.0921490 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 12349440 positive integers (up to 30921490) that are relatively prime to 30921490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0921490 × 10^7
Engineering notation 3.0921490 × 10^6

Prime Factorization of 30921490

Prime Factorization 2 × 5 × 769 × 4021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30921490
Product of the distinct prime numbers

The prime factorization of 30921490 is 2 × 5 × 769 × 4021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30921490)

Multiplication

n×y
n×2 61842980
n×3 92764470
n×4 123685960
n×5 154607450

Division

n÷y
n÷2 15460745
n÷3 10307163.333333
n÷3 7730372.5
n÷5 6184298

Exponentiation

ny
n2 956138543820100
n3 2.9565228421348E+22
n4 9.1420091497842E+29
n5 2.8268454450496E+37

Nth Root

y√n
2√n 5560.7094871068
3√n 313.87264772114
4√n 74.570164859056
5√n 31.481258291141

Divisors of 30921490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30921489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30921490 can be divided by 16 positive divisors. The sum of these divisors (counting 30921490) is 1, the average is 0.0625.

Base conversion 30921490

Base System Value
2 Binary 1110101111101001100010010
3 Ternary 2011011222022101
4 Quaternary 1311331030102
5 Quinary 30403441430
6 Senary 3022431014
8 Octal 165751422
10 Decimal 30921490
12 Duodecimal a43246a
16 Hexadecimal 1d7d312
20 Vigesimal 9d53ea
36 Base36 ier6a

Cryptographic Hash Functions

md5 fb4c1f675989e6ca718a30d630772bba
sha1 9410fdf77eec7b3c295acf235cb678ca8c8a0252
sha256 96beacc90164370e3f63a8fec6abdc32bce076370e507188dd793f26cd41809f
sha512 1939ce833b4121f2024a61c4162e704f0af38e3ed359f6b682120745b824856d115f0974000406f2aa2bc80d4a2e9dd5d4602ca7ddec17ebef48e9a5d7ae07a8
ripemd-160 10eb7f9e4cc9b76fbb98aa3b5aad00d7efe74409

30921490 as geometric shapes

Circle

Radius = n
Diameter 61842980
Circumference 194285451.6441
Area 3.0037978250793E+15

Sphere

Radius = n
Volume 1.2384253921361E+23
Surface area 1.2015191300317E+16
Circumference 194285451.6441

Square

Length = n
Perimeter 123685960
Area 956138543820100
Diagonal 43729590.526784

Cube

Length = n
Surface area 5736831262920600
Volume 2.9565228421348E+22
Space diagonal 53557591.725733

Equilateral Triangle

Length = n
Perimeter 92764470
Area 4.1402013424283E+14
Altitude 26778795.862866

Triangular Pyramid

Length = n
Surface area 4.1402013424283E+14
Volume 3.4842955840107E+21
Height 14576530.175595