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

28001557 (number)

28001557 is an odd 8-digits composite number following 28001556 and preceding 28001558. In scientific notation, it is written as 2.8001557 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 26139960 positive integers (up to 28001557) that are relatively prime to 28001557.

Interesting facts

28001557 has 8 divisors, whose sum is 28730240
The reverse of 28001557 is 75510082
Previous prime number is 529

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-eight million one thousand five hundred fifty-seven

Notation

Scientific notation	2.8001557 × 10^7
Engineering notation	2.8001557 × 10^6

Prime Factorization of 28001557

Prime Factorization 43 × 529 × 1231

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28001557	Product of the distinct prime numbers

The prime factorization of 28001557 is 43 × 529 × 1231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 58, 47, 858, 816, 4976, 4834, 36850, 57271, 413299, 755860, 348912, 6879948, 76301078, 32111985, 85679084, 700662443, 7172864814, 1897944283

Basic calculations (n = 28001557)

Multiplication

n×y

n×2	56003114
n×3	84004671
n×4	112006228
n×5	140007785

Division

n÷y

n÷2	14000778.5
n÷3	9333852.3333333
n÷3	7000389.25
n÷5	5600311.4

Exponentiation

n^y

n²	784087194424249
n³	2.1955662267641E+22
n⁴	6.1479272846009E+29
n⁵	1.7215153629161E+37

Nth Root

^y√n

²√n	5291.6497427551
³√n	303.6645256178
⁴√n	72.743726483836
⁵√n	30.862878996172

Divisors of 28001557

1, 43, 529, 1231, 22747, 52933, 651199, 28001557

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	-28001556	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 28001557 can be divided by 8 positive divisors. The sum of these divisors (counting 28001557) is 1, the average is 0.125.

Base conversion 28001557

Base	System	Value
2	Binary	1101010110100010100010101
3	Ternary	1221200121220201
4	Quaternary	1222310110111
5	Quinary	24132022212
6	Senary	2440100501
8	Octal	152642425
10	Decimal	28001557
12	Duodecimal	9464731
16	Hexadecimal	1ab4515
20	Vigesimal	8f03hh
36	Base36	go651

Cryptographic Hash Functions

md5	2da8fc6f38f6447c44ff986b1b28ac4f
sha1	1be27d488d4e8cf64b6ab33cdbea3a25b8f0e618
sha256	7e3b2450dec96f43d68d773a46182496e8dd3db7c61f0b01bf060e46138054b9
sha512	c42d5f56bcce56cacabc75aa7cd33ea4dd29936d52af6cab283764fd2d091e6e19f18174624d6ccdbbb43d31d7844dceb02e3a327e3b4a1074169c09b30cf558
ripemd-160	5e55bbb06c24c17c5f1116ee961ba573e2d3fb81

28001557 as geometric shapes

Circle

Radius = n

Diameter	56003114
Circumference	175938971.52055
Area	2.4632825697771E+15

Sphere

Radius = n

Volume	9.1967663046291E+22
Surface area	9.8531302791082E+15
Circumference	175938971.52055

Square

Length = n

Perimeter	112006228
Area	784087194424249
Diagonal	39600181.676963

Cube

Length = n

Surface area	4704523166545494
Volume	2.1955662267641E+22
Space diagonal	48500119.415036

Equilateral Triangle

Length = n

Perimeter	84004671
Area	3.3951971457673E+14
Altitude	24250059.707518

Triangular Pyramid

Length = n

Surface area	3.3951971457673E+14
Volume	2.5874996124817E+21
Height	13200060.558988