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

28778909 (number)

28778909 is an odd 8-digits composite number following 28778908 and preceding 28778910. In scientific notation, it is written as 2.8778909 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors. There are 27085760 positive integers (up to 28778909) that are relatively prime to 28778909.

Interesting facts

28778909 has 6 divisors, whose sum is 30571674
The reverse of 28778909 is 90987782
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	twenty-eight million seven hundred seventy-eight thousand nine hundred nine

Notation

Scientific notation	2.8778909 × 10^7
Engineering notation	2.8778909 × 10^6

Prime Factorization of 28778909

Prime Factorization 17 × 17 × 99581

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1692877	Product of the distinct prime numbers

The prime factorization of 28778909 is 17 × 17 × 99581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 41, 60, 878, 786, 7004, 2151, 16402, 77747, 759757, 11530, 375703, 1971078, 25515667, 39509249, 923345, 914842052, 5788049694, 6124954527

Basic calculations (n = 28778909)

Multiplication

n×y

n×2	57557818
n×3	86336727
n×4	115115636
n×5	143894545

Division

n÷y

n÷2	14389454.5
n÷3	9592969.6666667
n÷3	7194727.25
n÷5	5755781.8

Exponentiation

n^y

n²	828225603230281
n³	2.3835429266834E+22
n⁴	6.8595764984616E+29
n⁵	1.9741112782777E+37

Nth Root

^y√n

²√n	5364.5977482007
³√n	306.44892953526
⁴√n	73.243414367441
⁵√n	31.032364316248

Divisors of 28778909

1, 17, 289, 99581, 1692877, 28778909

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28778908	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778909 can be divided by 6 positive divisors. The sum of these divisors (counting 28778909) is 1, the average is 0.16666666666667.

Base conversion 28778909

Base	System	Value
2	Binary	1101101110010000110011101
3	Ternary	2000011010020112
4	Quaternary	1231302012131
5	Quinary	24331411114
6	Senary	2504455405
8	Octal	155620635
10	Decimal	28778909
12	Duodecimal	977a565
16	Hexadecimal	1b7219d
20	Vigesimal	8jh759
36	Base36	h4ty5

Cryptographic Hash Functions

md5	cd208a94417cae8081e3f5c3cf5ccc22
sha1	573a457a63840c89881ae61355e98182debc5407
sha256	1cfb5e4357f593ee93f668c6141a7a22705aef823eb86066aac1cd38f591b6ac
sha512	c4a0aefb5f3a5221342b2f17e58aad5cabaf64dfd768a85eeb0569f72fcee4ab8b49774fce30c69bac78cd826d8abfa8df6ccc01cdf6cc310b42c7a3cb62e7ef
ripemd-160	cdce9a26aa92affce4307be41da9bae2a7ff3f12

28778909 as geometric shapes

Circle

Radius = n

Diameter	57557818
Circumference	180823218.18546
Area	2.6019474706232E+15

Sphere

Radius = n

Volume	9.9841612639795E+22
Surface area	1.0407789882493E+16
Circumference	180823218.18546

Square

Length = n

Perimeter	115115636
Area	828225603230281
Diagonal	40699523.418101

Cube

Length = n

Surface area	4969353619381686
Volume	2.3835429266834E+22
Space diagonal	49846532.574401

Equilateral Triangle

Length = n

Perimeter	86336727
Area	3.5863220623106E+14
Altitude	24923266.287201

Triangular Pyramid

Length = n

Surface area	3.5863220623106E+14
Volume	2.8090322778451E+21
Height	13566507.806034