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

28006978 (number)

28006978 is an even 8-digits composite number following 28006977 and preceding 28006979. In scientific notation, it is written as 2.8006978 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 14003488 positive integers (up to 28006978) that are relatively prime to 28006978.

Interesting facts

28006978 has 4 divisors, whose sum is 42010470
The reverse of 28006978 is 87960082
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.8006978 × 10^7
Engineering notation	2.8006978 × 10^6

Prime Factorization of 28006978

Prime Factorization 2 × 14003489

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28006978	Product of the distinct prime numbers

The prime factorization of 28006978 is 2 × 14003489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 82, 38, 224, 370, 4857, 6921, 10726, 75343, 793579, 474057, 8012622, 2943042, 73720283, 1191992, 252602291, 123017216, 1593558100, 7638711880

Basic calculations (n = 28006978)

Multiplication

n×y

n×2	56013956
n×3	84020934
n×4	112027912
n×5	140034890

Division

n÷y

n÷2	14003489
n÷3	9335659.3333333
n÷3	7001744.5
n÷5	5601395.6

Exponentiation

n^y

n²	784390816692484
n³	2.1968416346508E+22
n⁴	6.152689533115E+29
n⁵	1.7231824039478E+37

Nth Root

^y√n

²√n	5292.161940077
³√n	303.68412047074
⁴√n	72.747246958748
⁵√n	30.864073891959

Divisors of 28006978

1, 2, 14003489, 28006978

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	-28006977	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 28006978 can be divided by 4 positive divisors. The sum of these divisors (counting 28006978) is 1, the average is 0.25.

Base conversion 28006978

Base	System	Value
2	Binary	1101010110101101001000010
3	Ternary	1221200220100111
4	Quaternary	1222311221002
5	Quinary	24132210403
6	Senary	2440141534
8	Octal	152655102
10	Decimal	28006978
12	Duodecimal	94678aa
16	Hexadecimal	1ab5a42
20	Vigesimal	8f0h8i
36	Base36	goabm

Cryptographic Hash Functions

md5	eeb2138951fdf944c736461144d01898
sha1	5c5c477e72ba25e67235c41cfeab02ebeb3219ed
sha256	a16daf1f89f44a6d271badd76c3201663ab3c4c6896852825f43bd1221f9fe1e
sha512	dc818e9b47a96e754375b4b4898ece0c05c4fce61100cafd1dcb50e6d322e79a5c6d46141829e460ec063fa63b60433854a761c1064f41dbe3a0c25173dc0c1a
ripemd-160	a80eb49cf25e7a89262c8462ea999e5213b482ed

28006978 as geometric shapes

Circle

Radius = n

Diameter	56013956
Circumference	175973032.6681
Area	2.4642364272644E+15

Sphere

Radius = n

Volume	9.2021087206924E+22
Surface area	9.8569457090576E+15
Circumference	175973032.6681

Square

Length = n

Perimeter	112027912
Area	784390816692484
Diagonal	39607848.128685

Cube

Length = n

Surface area	4706344900154904
Volume	2.1968416346508E+22
Space diagonal	48509508.862464

Equilateral Triangle

Length = n

Perimeter	84020934
Area	3.3965118687546E+14
Altitude	24254754.431232

Triangular Pyramid

Length = n

Surface area	3.3965118687546E+14
Volume	2.5890026950909E+21
Height	13202616.042895