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

28169987 (number)

28169987 is an odd 8-digits composite number following 28169986 and preceding 28169988. In scientific notation, it is written as 2.8169987 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 27408600 positive integers (up to 28169987) that are relatively prime to 28169987.

Interesting facts

28169987 has 4 divisors, whose sum is 28931376
The reverse of 28169987 is 78996182
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	twenty-eight million one hundred sixty-nine thousand nine hundred eighty-seven

Notation

Scientific notation	2.8169987 × 10^7
Engineering notation	2.8169987 × 10^6

Prime Factorization of 28169987

Prime Factorization 37 × 761351

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28169987	Product of the distinct prime numbers

The prime factorization of 28169987 is 37 × 761351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 52, 90, 178, 170, 3375, 3956, 63493, 89666, 979915, 854984, 5732790, 5528542, 45939747, 56371890, 898744704, 655556035, 7925252646, 4009122691

Basic calculations (n = 28169987)

Multiplication

n×y

n×2	56339974
n×3	84509961
n×4	112679948
n×5	140849935

Division

n÷y

n÷2	14084993.5
n÷3	9389995.6666667
n÷3	7042496.75
n÷5	5633997.4

Exponentiation

n^y

n²	793548167580169
n³	2.2354241564607E+22
n⁴	6.2971869426984E+29
n⁵	1.7739167431238E+37

Nth Root

^y√n

²√n	5307.5405792137
³√n	304.27215860069
⁴√n	72.852869395884
⁵√n	30.899918169802

Divisors of 28169987

1, 37, 761351, 28169987

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	-28169986	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 28169987 can be divided by 4 positive divisors. The sum of these divisors (counting 28169987) is 1, the average is 0.25.

Base conversion 28169987

Base	System	Value
2	Binary	1101011011101011100000011
3	Ternary	1222000011221212
4	Quaternary	1223131130003
5	Quinary	24202414422
6	Senary	2443440335
8	Octal	153353403
10	Decimal	28169987
12	Duodecimal	95260ab
16	Hexadecimal	1add703
20	Vigesimal	8g14j7
36	Base36	grs3n

Cryptographic Hash Functions

md5	d7a355a7f6e0092b8d0c2adbb37a913d
sha1	095caf264d232e1bb9416f6d9ae08803e35190d3
sha256	599c7402cf2fadde13726bd5017bc2f6323785b280c447ab45cb90d88539dd5a
sha512	763c3d84a26e093ce1577af3e6349c650426e168c4b0140c8279da4d9918325d0413b5e700569e89732a451d42c494374762be94e61004dfa44af4981dc5d6e5
ripemd-160	6ad893f38295cb8cecb22d1d2e9dfe304ff87d96

28169987 as geometric shapes

Circle

Radius = n

Diameter	56339974
Circumference	176997248.42184
Area	2.4930050935395E+15

Sphere

Radius = n

Volume	9.3637228101255E+22
Surface area	9.972020374158E+15
Circumference	176997248.42184

Square

Length = n

Perimeter	112679948
Area	793548167580169
Diagonal	39838377.667274

Cube

Length = n

Surface area	4761289005481014
Volume	2.2354241564607E+22
Space diagonal	48791848.732555

Equilateral Triangle

Length = n

Perimeter	84509961
Area	3.4361643612551E+14
Altitude	24395924.366277

Triangular Pyramid

Length = n

Surface area	3.4361643612551E+14
Volume	2.6344726331027E+21
Height	13279459.222425