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

28668729 (number)

28668729 is an odd 8-digits composite number following 28668728 and preceding 28668730. In scientific notation, it is written as 2.8668729 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 19112484 positive integers (up to 28668729) that are relatively prime to 28668729.

Interesting facts

28668729 has 4 divisors, whose sum is 38224976
The reverse of 28668729 is 92786682
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	twenty-eight million six hundred sixty-eight thousand seven hundred twenty-nine

Notation

Scientific notation	2.8668729 × 10^7
Engineering notation	2.8668729 × 10^6

Prime Factorization of 28668729

Prime Factorization 3 × 9556243

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28668729	Product of the distinct prime numbers

The prime factorization of 28668729 is 3 × 9556243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 30, 70, 954, 1000, 8418, 8769, 92278, 54376, 418505, 389880, 1151641, 7461649, 52205907, 91023792, 458666537, 563173585, 9968086900, 8152083491

Basic calculations (n = 28668729)

Multiplication

n×y

n×2	57337458
n×3	86006187
n×4	114674916
n×5	143343645

Division

n÷y

n÷2	14334364.5
n÷3	9556243
n÷3	7167182.25
n÷5	5733745.8

Exponentiation

n^y

n²	821896022475441
n³	2.3562714334526E+22
n⁴	6.7551307176095E+29
n⁵	1.9366101190272E+37

Nth Root

^y√n

²√n	5354.3187241702
³√n	306.05734966795
⁴√n	73.173210426837
⁵√n	31.008566374235

Divisors of 28668729

1, 3, 9556243, 28668729

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	-28668728	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 28668729 can be divided by 4 positive divisors. The sum of these divisors (counting 28668729) is 1, the average is 0.25.

Base conversion 28668729

Base	System	Value
2	Binary	1101101010111001100111001
3	Ternary	1222221112002210
4	Quaternary	1231113030321
5	Quinary	24314344404
6	Senary	2502245333
8	Octal	155271471
10	Decimal	28668729
12	Duodecimal	9726849
16	Hexadecimal	1b57339
20	Vigesimal	8j3bg9
36	Base36	h2gxl

Cryptographic Hash Functions

md5	072bc40385f22c8e7766575eb9edd07f
sha1	592e2db39b7840fcb16c10ad6b739b153bb24786
sha256	b338f5f6a9cd69de0f21c7750d205cbe303c4efe5ff5cd43b37e1f0092fde832
sha512	f27e07a7da415513cdc907af70f513031a3196d38a6353b39e093d6f26d6a4b764b96bbeb67431c40912279c3df19022c523d338fce20a34b300359ad7579e8a
ripemd-160	8036e5009ad7a877c6b68499b1543b0b10a0abd2

28668729 as geometric shapes

Circle

Radius = n

Diameter	57337458
Circumference	180130936.82831
Area	2.5820625062235E+15

Sphere

Radius = n

Volume	9.8699267002644E+22
Surface area	1.0328250024894E+16
Circumference	180130936.82831

Square

Length = n

Perimeter	114674916
Area	821896022475441
Diagonal	40543705.367799

Cube

Length = n

Surface area	4931376134852646
Volume	2.3562714334526E+22
Space diagonal	49655695.216423

Equilateral Triangle

Length = n

Perimeter	86006187
Area	3.5589141736656E+14
Altitude	24827847.608212

Triangular Pyramid

Length = n

Surface area	3.5589141736656E+14
Volume	2.7768925148508E+21
Height	13514568.455933