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

28931249 (number)

28931249 is an odd 8-digits composite number following 28931248 and preceding 28931250. In scientific notation, it is written as 2.8931249 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 28719936 positive integers (up to 28931249) that are relatively prime to 28931249.

Interesting facts

28931249 has 4 divisors, whose sum is 29142564
The reverse of 28931249 is 94213982
Previous prime number is 137

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.8931249 × 10^7
Engineering notation	2.8931249 × 10^6

Prime Factorization of 28931249

Prime Factorization 137 × 211177

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28931249	Product of the distinct prime numbers

The prime factorization of 28931249 is 137 × 211177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 75, 73, 888, 518, 414, 6995, 88620, 59817, 472871, 99993, 6467022, 5461407, 47305664, 32656486, 204600394, 540781383, 2995096433, 8640002168

Basic calculations (n = 28931249)

Multiplication

n×y

n×2	57862498
n×3	86793747
n×4	115724996
n×5	144656245

Division

n÷y

n÷2	14465624.5
n÷3	9643749.6666667
n÷3	7232812.25
n÷5	5786249.8

Exponentiation

n^y

n²	837017168700001
n³	2.4215952124935E+22
n⁴	7.0059774069857E+29
n⁵	2.0269167684988E+37

Nth Root

^y√n

²√n	5378.7776492434
³√n	306.98870326641
⁴√n	73.340150321931
⁵√n	31.065148687503

Divisors of 28931249

1, 137, 211177, 28931249

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	-28931248	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 28931249 can be divided by 4 positive divisors. The sum of these divisors (counting 28931249) is 1, the average is 0.25.

Base conversion 28931249

Base	System	Value
2	Binary	1101110010111010010110001
3	Ternary	2000102212012202
4	Quaternary	1232113102301
5	Quinary	24401244444
6	Senary	2512032545
8	Octal	156272261
10	Decimal	28931249
12	Duodecimal	9832755
16	Hexadecimal	1b974b1
20	Vigesimal	90g829
36	Base36	h83ht

Cryptographic Hash Functions

md5	95244cd68c2e7e6511bd6cfc3c5012ba
sha1	029e2ff6fb70a745567ed4766fcabe7204016da6
sha256	aa7b9e269a3e24759f81b9d8257fafc76d8cb45eae322ae7d999bbe40842f7f2
sha512	375642e6d119572f4a1928ce6ccdaad97292585c7581d94dc46cc16e71f6f1d8453f2173a990fd2e74fe9c87284c8406df6aa55811ddab39601025f46ce333ac
ripemd-160	f65310f84c4b2a44a0c8af7df2f5f804fec17ed6

28931249 as geometric shapes

Circle

Radius = n

Diameter	57862498
Circumference	181780398.63515
Area	2.6295669881165E+15

Sphere

Radius = n

Volume	1.014355430605E+23
Surface area	1.0518267952466E+16
Circumference	181780398.63515

Square

Length = n

Perimeter	115724996
Area	837017168700001
Diagonal	40914964.712193

Cube

Length = n

Surface area	5022103012200006
Volume	2.4215952124935E+22
Space diagonal	50110393.194426

Equilateral Triangle

Length = n

Perimeter	86793747
Area	3.6243906574896E+14
Altitude	25055196.597213

Triangular Pyramid

Length = n

Surface area	3.6243906574896E+14
Volume	2.8538773267384E+21
Height	13638321.570731