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

28978087 (number)

28978087 is an odd 8-digits composite number following 28978086 and preceding 28978088. In scientific notation, it is written as 2.8978087 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 27389880 positive integers (up to 28978087) that are relatively prime to 28978087.

Interesting facts

28978087 has 8 divisors, whose sum is 30609920
The reverse of 28978087 is 78087982
Previous prime number is 43

Basic properties

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

Name

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

Notation

Scientific notation	2.8978087 × 10^7
Engineering notation	2.8978087 × 10^6

Prime Factorization of 28978087

Prime Factorization 31 × 43 × 21739

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28978087	Product of the distinct prime numbers

The prime factorization of 28978087 is 31 × 43 × 21739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 49, 7, 945, 320, 1687, 3549, 13301, 54331, 70774, 883184, 164641, 5475131, 16999402, 86849676, 483664817, 58792418, 262673765, 3153754362

Basic calculations (n = 28978087)

Multiplication

n×y

n×2	57956174
n×3	86934261
n×4	115912348
n×5	144890435

Division

n÷y

n÷2	14489043.5
n÷3	9659362.3333333
n÷3	7244521.75
n÷5	5795617.4

Exponentiation

n^y

n²	839729526179569
n³	2.43337552661E+22
n⁴	7.0514567713776E+29
n⁵	2.0433772779772E+37

Nth Root

^y√n

²√n	5383.1298516755
³√n	307.15427953091
⁴√n	73.369815671538
⁵√n	31.07520071191

Divisors of 28978087

1, 31, 43, 1333, 21739, 673909, 934777, 28978087

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	-28978086	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 28978087 can be divided by 8 positive divisors. The sum of these divisors (counting 28978087) is 1, the average is 0.125.

Base conversion 28978087

Base	System	Value
2	Binary	1101110100010101110100111
3	Ternary	2000112020110111
4	Quaternary	1232202232213
5	Quinary	24404244322
6	Senary	2513033451
8	Octal	156425647
10	Decimal	28978087
12	Duodecimal	9855887
16	Hexadecimal	1ba2ba7
20	Vigesimal	912547
36	Base36	h93mv

Cryptographic Hash Functions

md5	f59506919d0470b9b0602eb0a8227e29
sha1	5156974bc7a9fb7ddba3661e1d620e946e766bfa
sha256	de644782fe244892819e2deb988f273e39531e41e66d597c2dd8963e02d1f242
sha512	974f5f655cabefef921422c6268e4ce6561f37d96befd211a2579fb499ecbb228927af2887882252a4b2de65f3e340a4c9ac59e8363c676ccbbe719e9fe91924
ripemd-160	9cfcb3f214a303c9b77aa5aad679f116d33559f1

28978087 as geometric shapes

Circle

Radius = n

Diameter	57956174
Circumference	182074690.46857
Area	2.6380881104482E+15

Sphere

Radius = n

Volume	1.0192899570431E+23
Surface area	1.0552352441793E+16
Circumference	182074690.46857

Square

Length = n

Perimeter	115912348
Area	839729526179569
Diagonal	40981203.647027

Cube

Length = n

Surface area	5038377157077414
Volume	2.43337552661E+22
Space diagonal	50191518.990151

Equilateral Triangle

Length = n

Perimeter	86934261
Area	3.6361355098969E+14
Altitude	25095759.495076

Triangular Pyramid

Length = n

Surface area	3.6361355098969E+14
Volume	2.8677605600656E+21
Height	13660401.215676