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

28748081 (number)

28748081 is an odd 8-digits composite number following 28748080 and preceding 28748082. In scientific notation, it is written as 2.8748081 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 28528500 positive integers (up to 28748081) that are relatively prime to 28748081.

Interesting facts

28748081 has 4 divisors, whose sum is 28967664
The reverse of 28748081 is 18084782
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-eight million seven hundred forty-eight thousand eighty-one

Notation

Scientific notation	2.8748081 × 10^7
Engineering notation	2.8748081 × 10^6

Prime Factorization of 28748081

Prime Factorization 131 × 219451

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28748081	Product of the distinct prime numbers

The prime factorization of 28748081 is 131 × 219451. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 45, 93, 779, 435, 5079, 5272, 65915, 19535, 657175, 757918, 4873791, 6443634, 52189952, 52661652, 618823340, 45842690, 3317647195, 6292327665

Basic calculations (n = 28748081)

Multiplication

n×y

n×2	57496162
n×3	86244243
n×4	114992324
n×5	143740405

Division

n÷y

n÷2	14374040.5
n÷3	9582693.6666667
n÷3	7187020.25
n÷5	5749616.2

Exponentiation

n^y

n²	826452161182561
n³	2.3758913672301E+22
n⁴	6.8302317472333E+29
n⁵	1.9635605551823E+37

Nth Root

^y√n

²√n	5361.7236967229
³√n	306.33946762694
⁴√n	73.223791876158
⁵√n	31.025713084936

Divisors of 28748081

1, 131, 219451, 28748081

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	-28748080	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 28748081 can be divided by 4 positive divisors. The sum of these divisors (counting 28748081) is 1, the average is 0.25.

Base conversion 28748081

Base	System	Value
2	Binary	1101101101010100100110001
3	Ternary	2000002112221202
4	Quaternary	1231222210301
5	Quinary	24324414311
6	Senary	2504100545
8	Octal	155524461
10	Decimal	28748081
12	Duodecimal	9764755
16	Hexadecimal	1b6a931
20	Vigesimal	8jda41
36	Base36	h465t

Cryptographic Hash Functions

md5	f9c4ddffcfce6c7521911f9c8f931711
sha1	afdf812ef862c1fa1e9962f578d7574bade8aec8
sha256	26022f115bd799cbfa46c59249402357995ad43e38a5b482d4dc7f2476fb8ecb
sha512	e3ce52ab98c3fcbefaa06adbcc1841461116d7ad92921bd6f90a89293eab957a640877800571cb2b06b48cec2455f6454eda89cf39a3dc8d9d23788a46bfa4cb
ripemd-160	514f521e769932e2684a3f24cc180a85cc9da400

28748081 as geometric shapes

Circle

Radius = n

Diameter	57496162
Circumference	180629520.14881
Area	2.5963760381145E+15

Sphere

Radius = n

Volume	9.9521104866901E+22
Surface area	1.0385504152458E+16
Circumference	180629520.14881

Square

Length = n

Perimeter	114992324
Area	826452161182561
Diagonal	40655926.0424

Cube

Length = n

Surface area	4958712967095366
Volume	2.3758913672301E+22
Space diagonal	49793136.912105

Equilateral Triangle

Length = n

Perimeter	86244243
Area	3.5786428329832E+14
Altitude	24896568.456053

Triangular Pyramid

Length = n

Surface area	3.5786428329832E+14
Volume	2.8000148285517E+21
Height	13551975.347467