28931964 (number)

28931964 is an even 8-digits composite number following 28931963 and preceding 28931965. In scientific notation, it is written as 2.8931964 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 9643984 positive integers (up to 28931964) that are relatively prime to 28931964.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand nine hundred sixty-four

Notation

Scientific notation 2.8931964 × 10^7
Engineering notation 2.8931964 × 10^6

Prime Factorization of 28931964

Prime Factorization 2 × 2 × 3 × 2410997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465982
Product of the distinct prime numbers

The prime factorization of 28931964 is 2 × 2 × 3 × 2410997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 18, 84, 40, 990, 4103, 7019, 28702, 28555, 601127, 121703, 4830286, 3181113, 4732761, 95174302, 133943127, 364465845, 7435229571, 7136153500

Basic calculations (n = 28931964)

Multiplication

n×y
n×2 57863928
n×3 86795892
n×4 115727856
n×5 144659820

Division

n÷y
n÷2 14465982
n÷3 9643988
n÷3 7232991
n÷5 5786392.8

Exponentiation

ny
n2 837058540897296
n3 2.4217747571133E+22
n4 7.0066700088911E+29
n5 2.0271672445712E+37

Nth Root

y√n
2√n 5378.8441137479
3√n 306.99123219415
4√n 73.340603445485
5√n 31.065302233323

Divisors of 28931964

1, 2, 3, 4, 6, 12, 2410997, 4821994, 7232991, 9643988, 14465982, 28931964

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 -28931963
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 28931964 can be divided by 12 positive divisors. The sum of these divisors (counting 28931964) is 1, the average is 0.083333333333333.

Base conversion 28931964

Base System Value
2 Binary 1101110010111011101111100
3 Ternary 2000102220012020
4 Quaternary 1232113131330
5 Quinary 24401310324
6 Senary 2512040140
8 Octal 156273574
10 Decimal 28931964
12 Duodecimal 9833050
16 Hexadecimal 1b9777c
20 Vigesimal 90g9i4
36 Base36 h841o

Cryptographic Hash Functions

md5 745cb345f0da6e5bbd67b5ddf8f8c046
sha1 7930bcb717d8f472cc078b6545557fca641d83e0
sha256 649b42cfd0b02a97daf222606d48a2bfae3e0c4835e8d254d7ac2e45a2666ce7
sha512 dd22c8db894c06108febc6e4a328aa3395ddeedff77c90c2d063bd56420310d9e35b026c0fae74343710c5d11435a3446529056fb367c94a935b8ffd7aaa5b6c
ripemd-160 ba93cdd6f5e09178708d202109033b207863e3e8

28931964 as geometric shapes

Circle

Radius = n
Diameter 57863928
Circumference 181784891.11265
Area 2.6296969627075E+15

Sphere

Radius = n
Volume 1.0144306380795E+23
Surface area 1.051878785083E+16
Circumference 181784891.11265

Square

Length = n
Perimeter 115727856
Area 837058540897296
Diagonal 40915975.87489

Cube

Length = n
Surface area 5022351245383776
Volume 2.4217747571133E+22
Space diagonal 50111631.610754

Equilateral Triangle

Length = n
Perimeter 86795892
Area 3.624569804359E+14
Altitude 25055815.805377

Triangular Pyramid

Length = n
Surface area 3.624569804359E+14
Volume 2.854088922102E+21
Height 13638658.624963