28267989 (number)

28267989 is an odd 8-digits composite number following 28267988 and preceding 28267990. In scientific notation, it is written as 2.8267989 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 17937216 positive integers (up to 28267989) that are relatively prime to 28267989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8267989 × 10^7
Engineering notation 2.8267989 × 10^6

Prime Factorization of 28267989

Prime Factorization 3 × 23 × 229 × 1789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28267989
Product of the distinct prime numbers

The prime factorization of 28267989 is 3 × 23 × 229 × 1789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 34, 84, 593, 643, 2347, 7174, 81272, 85991, 882143, 936815, 5626602, 519915, 24315682, 32725937, 307160917, 214616670, 6460193204, 8459992073

Basic calculations (n = 28267989)

Multiplication

n×y
n×2 56535978
n×3 84803967
n×4 113071956
n×5 141339945

Division

n÷y
n÷2 14133994.5
n÷3 9422663
n÷3 7066997.25
n÷5 5653597.8

Exponentiation

ny
n2 799079202104121
n3 2.2588362095208E+22
n4 6.3852757123536E+29
n5 1.8049890359878E+37

Nth Root

y√n
2√n 5316.764899824
3√n 304.62459950207
4√n 72.916149787437
5√n 30.921388172589

Divisors of 28267989

1, 3, 23, 69, 229, 687, 1789, 5267, 5367, 15801, 41147, 123441, 409681, 1229043, 9422663, 28267989

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28267988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28267989 can be divided by 16 positive divisors. The sum of these divisors (counting 28267989) is 1, the average is 0.0625.

Base conversion 28267989

Base System Value
2 Binary 1101011110101010111010101
3 Ternary 1222012011101120
4 Quaternary 1223311113111
5 Quinary 24214033424
6 Senary 2445514153
8 Octal 153652725
10 Decimal 28267989
12 Duodecimal 9572959
16 Hexadecimal 1af55d5
20 Vigesimal 8gd9j9
36 Base36 gtvpx

Cryptographic Hash Functions

md5 b64d2557df4482beb1782fd5207df55e
sha1 5339f5566e30865a7e70dd50b476c4ea8c671971
sha256 c0bd1705ad43dca9b0bb9f35cd70adcb3804e5b4e13bce12ca540cc32e381c59
sha512 26f545b62fea75b164b4f7b513176154ff62093e318061f303bc2a43ceb58a1486df7445f414a6070ed5e9ed89ff8464ee53ad9cea05214257e3bc41c8da76df
ripemd-160 0db9cfbc926c854ca2e044c252d6fc9c2e0090a4

28267989 as geometric shapes

Circle

Radius = n
Diameter 56535978
Circumference 177613013.14831
Area 2.5103813509667E+15

Sphere

Radius = n
Volume 9.4617909886576E+22
Surface area 1.0041525403867E+16
Circumference 177613013.14831

Square

Length = n
Perimeter 113071956
Area 799079202104121
Diagonal 39976973.424813

Cube

Length = n
Surface area 4794475212624726
Volume 2.2588362095208E+22
Space diagonal 48961593.175798

Equilateral Triangle

Length = n
Perimeter 84803967
Area 3.4601144432898E+14
Altitude 24480796.587899

Triangular Pyramid

Length = n
Surface area 3.4601144432898E+14
Volume 2.6620640022365E+21
Height 13325657.808271