Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28931949 (number)

28931949 is an odd 8-digits composite number following 28931948 and preceding 28931950. In scientific notation, it is written as 2.8931949 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 19179144 positive integers (up to 28931949) that are relatively prime to 28931949.

Interesting facts

28931949 has 8 divisors, whose sum is 32328000
The reverse of 28931949 is 94913982
Previous prime number is 179

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty-eight million nine hundred thirty-one thousand nine hundred forty-nine

Notation

Scientific notation	2.8931949 × 10^7
Engineering notation	2.8931949 × 10^6

Prime Factorization of 28931949

Prime Factorization 9 × 179 × 17959

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28931949	Product of the distinct prime numbers

The prime factorization of 28931949 is 9 × 179 × 17959. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 29, 37, 359, 679, 7929, 2606, 12378, 95207, 423022, 170480, 8700084, 5348633, 6244710, 5638803, 638325597, 454120711, 5440068818, 3885663150

Basic calculations (n = 28931949)

Multiplication

n×y

n×2	57863898
n×3	86795847
n×4	115727796
n×5	144659745

Division

n÷y

n÷2	14465974.5
n÷3	9643983
n÷3	7232987.25
n÷5	5786389.8

Exponentiation

n^y

n²	837057672938601
n³	2.4217709903518E+22
n⁴	7.0066554782539E+29
n⁵	2.0271619895741E+37

Nth Root

^y√n

²√n	5378.8427193961
³√n	306.99117914015
⁴√n	73.340593939483
⁵√n	31.065299012113

Divisors of 28931949

1, 9, 179, 1611, 17959, 161631, 3214661, 28931949

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28931948	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931949 can be divided by 8 positive divisors. The sum of these divisors (counting 28931949) is 1, the average is 0.125.

Base conversion 28931949

Base	System	Value
2	Binary	1101110010111011101101101
3	Ternary	2000102220011200
4	Quaternary	1232113131231
5	Quinary	24401310244
6	Senary	2512040113
8	Octal	156273555
10	Decimal	28931949
12	Duodecimal	9833039
16	Hexadecimal	1b9776d
20	Vigesimal	90g9h9
36	Base36	h8419

Cryptographic Hash Functions

md5	d15b2f244ed564fc52691e9c4cbf44c9
sha1	247bd64f624a47b628b3c9c0c2294180bd7aef22
sha256	317d6adeeeb46acf24b891a85ade5c07a41596a40c4ba90e05b73cb6f28c0174
sha512	0a5aa4b5b008a5fce991bcd7726ff85dc8c8612377a20deb3a7054b71da7c80ce058b49bf5123edc33503d2677fbf2df41dbf3faee85befa021dfa975ade9674
ripemd-160	5442cf48294c63da82e2e0fda6e08cc9378d3c58

28931949 as geometric shapes

Circle

Radius = n

Diameter	57863898
Circumference	181784796.86487
Area	2.6296942359349E+15

Sphere

Radius = n

Volume	1.0144290602622E+23
Surface area	1.051877694374E+16
Circumference	181784796.86487

Square

Length = n

Perimeter	115727796
Area	837057672938601
Diagonal	40915954.661687

Cube

Length = n

Surface area	5022346037631606
Volume	2.4217709903518E+22
Space diagonal	50111605.629992

Equilateral Triangle

Length = n

Perimeter	86795847
Area	3.6245660459876E+14
Altitude	25055802.814996

Triangular Pyramid

Length = n

Surface area	3.6245660459876E+14
Volume	2.8540844829311E+21
Height	13638651.553896