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

28778890 (number)

28778890 is an even 8-digits composite number following 28778889 and preceding 28778891. In scientific notation, it is written as 2.8778890 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 9867024 positive integers (up to 28778890) that are relatively prime to 28778890.

Interesting facts

28778890 has 8 divisors, whose sum is 44401824
The reverse of 28778890 is 09887782
Previous prime number is 35

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	2.8778890 × 10^7
Engineering notation	2.8778890 × 10^6

Prime Factorization of 28778890

Prime Factorization 2 × 35 × 411127

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28778890	Product of the distinct prime numbers

The prime factorization of 28778890 is 2 × 35 × 411127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 38, 16, 87, 700, 5701, 5297, 65532, 65399, 495935, 474408, 1218513, 511202, 37730250, 94007802, 695209573, 500182100, 5597485612, 8614115600

Basic calculations (n = 28778890)

Multiplication

n×y

n×2	57557780
n×3	86336670
n×4	115115560
n×5	143894450

Division

n÷y

n÷2	14389445
n÷3	9592963.3333333
n÷3	7194722.5
n÷5	5755778

Exponentiation

n^y

n²	828224509632100
n³	2.3835382058006E+22
n⁴	6.8595583835533E+29
n⁵	1.9741047616886E+37

Nth Root

^y√n

²√n	5364.5959773314
³√n	306.44886209546
⁴√n	73.243402278508
⁵√n	31.032360218698

Divisors of 28778890

1, 2, 35, 70, 411127, 822254, 14389445, 28778890

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	-28778889	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 28778890 can be divided by 8 positive divisors. The sum of these divisors (counting 28778890) is 1, the average is 0.125.

Base conversion 28778890

Base	System	Value
2	Binary	1101101110010000110001010
3	Ternary	2000011010012211
4	Quaternary	1231302012022
5	Quinary	24331411030
6	Senary	2504455334
8	Octal	155620612
10	Decimal	28778890
12	Duodecimal	977a54a
16	Hexadecimal	1b7218a
20	Vigesimal	8jh74a
36	Base36	h4txm

Cryptographic Hash Functions

md5	37925dde7789055e824147ec2aa819af
sha1	72708f92b24b292bd35308c3bb1d1059420dded2
sha256	381fcc72e476a25ec2746239493296f3be4af2ec671643d6f3324ef29502b5f0
sha512	e6e5b05bd3daba44ab7ad04c9ccd558f17b24227c744058f3146df64a0097c0e09d67b9fe029986af15676a2f1d0e52e68bf68735cbf50ef585f18584a1a7dbc
ripemd-160	a975545c1ae2948fbab7de3eddfd1f2e15995435

28778890 as geometric shapes

Circle

Radius = n

Diameter	57557780
Circumference	180823098.80494
Area	2.6019440349832E+15

Sphere

Radius = n

Volume	9.9841414891917E+22
Surface area	1.0407776139933E+16
Circumference	180823098.80494

Square

Length = n

Perimeter	115115560
Area	828224509632100
Diagonal	40699496.548043

Cube

Length = n

Surface area	4969347057792600
Volume	2.3835382058006E+22
Space diagonal	49846499.665436

Equilateral Triangle

Length = n

Perimeter	86336670
Area	3.5863173268915E+14
Altitude	24923249.832718

Triangular Pyramid

Length = n

Surface area	3.5863173268915E+14
Volume	2.8090267142314E+21
Height	13566498.849348