28990745 (number)

28990745 is an odd 8-digits composite number following 28990744 and preceding 28990746. In scientific notation, it is written as 2.8990745 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 19825344 positive integers (up to 28990745) that are relatively prime to 28990745.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety thousand seven hundred forty-five

Notation

Scientific notation 2.8990745 × 10^7
Engineering notation 2.8990745 × 10^6

Prime Factorization of 28990745

Prime Factorization 7 × 5 × 463 × 1789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28990745
Product of the distinct prime numbers

The prime factorization of 28990745 is 7 × 5 × 463 × 1789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 41, 38, 295, 7, 3129, 244, 72849, 14469, 844857, 669481, 1343481, 841832, 26721168, 707583, 919296050, 730958351, 429380262, 7248790542

Basic calculations (n = 28990745)

Multiplication

n×y
n×2 57981490
n×3 86972235
n×4 115962980
n×5 144953725

Division

n÷y
n÷2 14495372.5
n÷3 9663581.6666667
n÷3 7247686.25
n÷5 5798149

Exponentiation

ny
n2 840463295655025
n3 2.4365657086194E+22
n4 7.0637855134331E+29
n5 2.0478440455463E+37

Nth Root

y√n
2√n 5384.3054333869
3√n 307.19899599666
4√n 73.377826578517
5√n 31.077915046922

Divisors of 28990745

1, 5, 7, 35, 463, 1789, 2315, 3241, 8945, 12523, 16205, 62615, 828307, 4141535, 5798149, 28990745

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 -28990744
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 28990745 can be divided by 16 positive divisors. The sum of these divisors (counting 28990745) is 1, the average is 0.0625.

Base conversion 28990745

Base System Value
2 Binary 1101110100101110100011001
3 Ternary 2000112212211022
4 Quaternary 1232211310121
5 Quinary 24410200440
6 Senary 2513212225
8 Octal 156456431
10 Decimal 28990745
12 Duodecimal 9861075
16 Hexadecimal 1ba5d19
20 Vigesimal 913gh5
36 Base36 h9deh

Cryptographic Hash Functions

md5 5617b5f9c17be2f4d21a7903909851e9
sha1 5ccd0274b44a577e5985ead1d259207e242ef55d
sha256 fab75efcf5dc523a2422ccb11a07621edca0b247d0e4ed7867fdd622163f5167
sha512 f38587216e01600d2c25c9ca14a0e0827ec28db29d34e83bdb292a88bbc9b0a9adac1070330727846871b28b9d32c9427fa9e39eb8a0b0119274aa08ad6ce84f
ripemd-160 88389d0b9dbe7fa243f7b0ab9629d78dc026f938

28990745 as geometric shapes

Circle

Radius = n
Diameter 57981490
Circumference 182154223.02819
Area 2.6403933152417E+15

Sphere

Radius = n
Volume 1.0206262573584E+23
Surface area 1.0561573260967E+16
Circumference 182154223.02819

Square

Length = n
Perimeter 115962980
Area 840463295655025
Diagonal 40999104.7623

Cube

Length = n
Surface area 5042779773930150
Volume 2.4365657086194E+22
Space diagonal 50213443.289273

Equilateral Triangle

Length = n
Perimeter 86972235
Area 3.6393128249282E+14
Altitude 25106721.644637

Triangular Pyramid

Length = n
Surface area 3.6393128249282E+14
Volume 2.871520225619E+21
Height 13666368.2541