28993387 (number)

28993387 is an odd 8-digits composite number following 28993386 and preceding 28993388. In scientific notation, it is written as 2.8993387 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 28898640 positive integers (up to 28993387) that are relatively prime to 28993387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8993387 × 10^7
Engineering notation 2.8993387 × 10^6

Prime Factorization of 28993387

Prime Factorization 307 × 94441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28993387
Product of the distinct prime numbers

The prime factorization of 28993387 is 307 × 94441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 27, 32, 451, 869, 1537, 3443, 18906, 58735, 345101, 117670, 521943, 7527437, 73933608, 75802076, 879920176, 753440020, 5980852444, 9507146448

Basic calculations (n = 28993387)

Multiplication

n×y
n×2 57986774
n×3 86980161
n×4 115973548
n×5 144966935

Division

n÷y
n÷2 14496693.5
n÷3 9664462.3333333
n÷3 7248346.75
n÷5 5798677.4

Exponentiation

ny
n2 840616489731769
n3 2.4372319205375E+22
n4 7.0663608280896E+29
n5 2.0487773417044E+37

Nth Root

y√n
2√n 5384.5507704914
3√n 307.20832765398
4√n 73.379498298172
5√n 31.078481468093

Divisors of 28993387

1, 307, 94441, 28993387

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 -28993386
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 28993387 can be divided by 4 positive divisors. The sum of these divisors (counting 28993387) is 1, the average is 0.25.

Base conversion 28993387

Base System Value
2 Binary 1101110100110011101101011
3 Ternary 2000120000110011
4 Quaternary 1232212131223
5 Quinary 24410242022
6 Senary 2513232351
8 Octal 156463553
10 Decimal 28993387
12 Duodecimal 98626b7
16 Hexadecimal 1ba676b
20 Vigesimal 914397
36 Base36 h9ffv

Cryptographic Hash Functions

md5 da5622641cfa4792d45ace0372f1f888
sha1 5ff55b1a8d527f773b69cad37680c46db634c563
sha256 e27bbe363875e34a95f1e97f8c1d4e62a9a53baf6fe0005803268e05f1993267
sha512 a0e0bfe48171748e2089506e53e95c43b36dba4539f118442955ef1c368f98d4ff8d7ee0c4d6124d13f3c7da85f4f6db1fd9b51a8600c44f822f453818b71ec5
ripemd-160 8ceae87afd046f71d573d06e99cc5e3f2a535686

28993387 as geometric shapes

Circle

Radius = n
Diameter 57986774
Circumference 182170823.20377
Area 2.6408745886278E+15

Sphere

Radius = n
Volume 1.020905319554E+23
Surface area 1.0563498354511E+16
Circumference 182170823.20377

Square

Length = n
Perimeter 115973548
Area 840616489731769
Diagonal 41002841.114532

Cube

Length = n
Surface area 5043698938390614
Volume 2.4372319205375E+22
Space diagonal 50218019.367507

Equilateral Triangle

Length = n
Perimeter 86980161
Area 3.6399761747391E+14
Altitude 25109009.683753

Triangular Pyramid

Length = n
Surface area 3.6399761747391E+14
Volume 2.8723053638939E+21
Height 13667613.704844