28993385 (number)

28993385 is an odd 8-digits composite number following 28993384 and preceding 28993386. In scientific notation, it is written as 2.8993385 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 22134528 positive integers (up to 28993385) that are relatively prime to 28993385.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand three hundred eighty-five

Notation

Scientific notation 2.8993385 × 10^7
Engineering notation 2.8993385 × 10^6

Prime Factorization of 28993385

Prime Factorization 37 × 5 × 53 × 2957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28993385
Product of the distinct prime numbers

The prime factorization of 28993385 is 37 × 5 × 53 × 2957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28993385)

Multiplication

n×y
n×2 57986770
n×3 86980155
n×4 115973540
n×5 144966925

Division

n÷y
n÷2 14496692.5
n÷3 9664461.6666667
n÷3 7248346.25
n÷5 5798677

Exponentiation

ny
n2 840616373758225
n3 2.4372314161676E+22
n4 7.0663588783043E+29
n5 2.0487766350684E+37

Nth Root

y√n
2√n 5384.5505847749
3√n 307.20832059011
4√n 73.37949703272
5√n 31.078481039326

Divisors of 28993385

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 -28993384
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 28993385 can be divided by 16 positive divisors. The sum of these divisors (counting 28993385) is 1, the average is 0.0625.

Base conversion 28993385

Base System Value
2 Binary 1101110100110011101101001
3 Ternary 2000120000110002
4 Quaternary 1232212131221
5 Quinary 24410242020
6 Senary 2513232345
8 Octal 156463551
10 Decimal 28993385
12 Duodecimal 98626b5
16 Hexadecimal 1ba6769
20 Vigesimal 914395
36 Base36 h9fft

Cryptographic Hash Functions

md5 6d3cb7b6d2a52bb6a5459a91e3060300
sha1 04f4de4636f849da0b5c70ce8300cec61a75d5b7
sha256 8986e2d146ad242bac59bc5277c8622b7d6a4f5f2b2e273136560091efc84f7c
sha512 3f83efbcaad09bf6ec64bbcfef761c3067e4f7a8f6d2ef49a692d043c0bed6ebe2f0466355c52be973d75c39bd53e7af8dcb7f2367c3a17d85fa0fec40ba160c
ripemd-160 ff56872bdadabb82c2903a549013150ac334fb40

28993385 as geometric shapes

Circle

Radius = n
Diameter 57986770
Circumference 182170810.6374
Area 2.6408742242861E+15

Sphere

Radius = n
Volume 1.0209051082841E+23
Surface area 1.0563496897145E+16
Circumference 182170810.6374

Square

Length = n
Perimeter 115973540
Area 840616373758225
Diagonal 41002838.286105

Cube

Length = n
Surface area 5043698242549350
Volume 2.4372314161676E+22
Space diagonal 50218015.903405

Equilateral Triangle

Length = n
Perimeter 86980155
Area 3.6399756725589E+14
Altitude 25109007.951703

Triangular Pyramid

Length = n
Surface area 3.6399756725589E+14
Volume 2.8723047694884E+21
Height 13667612.762035