28687055 (number)

28687055 is an odd 8-digits composite number following 28687054 and preceding 28687056. In scientific notation, it is written as 2.8687055 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 21412512 positive integers (up to 28687055) that are relatively prime to 28687055.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand fifty-five

Notation

Scientific notation 2.8687055 × 10^7
Engineering notation 2.8687055 × 10^6

Prime Factorization of 28687055

Prime Factorization 19 × 5 × 67 × 4507

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28687055
Product of the distinct prime numbers

The prime factorization of 28687055 is 19 × 5 × 67 × 4507. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 46, 31, 644, 989, 8338, 681, 26277, 81353, 638927, 756628, 502193, 139699, 72676273, 9906239, 95587730, 121876291, 784925417, 5619238926

Basic calculations (n = 28687055)

Multiplication

n×y
n×2 57374110
n×3 86061165
n×4 114748220
n×5 143435275

Division

n÷y
n÷2 14343527.5
n÷3 9562351.6666667
n÷3 7171763.75
n÷5 5737411

Exponentiation

ny
n2 822947124573025
n3 2.3607929424718E+22
n4 6.7724196984301E+29
n5 1.9428077637195E+37

Nth Root

y√n
2√n 5356.0297796035
3√n 306.12254977155
4√n 73.184901308969
5√n 31.01252970126

Divisors of 28687055

1, 5, 19, 67, 95, 335, 1273, 4507, 6365, 22535, 85633, 301969, 428165, 1509845, 5737411, 28687055

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 -28687054
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 28687055 can be divided by 16 positive divisors. The sum of these divisors (counting 28687055) is 1, the average is 0.0625.

Base conversion 28687055

Base System Value
2 Binary 1101101011011101011001111
3 Ternary 1222222110020112
4 Quaternary 1231123223033
5 Quinary 24320441210
6 Senary 2502510235
8 Octal 155335317
10 Decimal 28687055
12 Duodecimal 973537b
16 Hexadecimal 1b5bacf
20 Vigesimal 8j5hcf
36 Base36 h2v2n

Cryptographic Hash Functions

md5 b2342212f026dd1c65eb4f6d81eee57d
sha1 199c9e3cc4bef91ba440724f3f94579073002cc4
sha256 7e03be682e8a97637c67075f95e779e98c61045dc3be6ee28a31566616421d24
sha512 4ed2db40de9446e0e2714bd85f0125f2e03d58053a9e9c2a8047050f7f9163e4736b030055938afe19f6dd7feb7adc907e092bfd0a69047c93e45bb7fc0a9f43
ripemd-160 e0e42831a2446a469a26e40f70b80b1a5d466a83

28687055 as geometric shapes

Circle

Radius = n
Diameter 57374110
Circumference 180246082.48225
Area 2.5853646408515E+15

Sphere

Radius = n
Volume 9.8888663529548E+22
Surface area 1.0341458563406E+16
Circumference 180246082.48225

Square

Length = n
Perimeter 114748220
Area 822947124573025
Diagonal 40569622.245543

Cube

Length = n
Surface area 4937682747438150
Volume 2.3607929424718E+22
Space diagonal 49687436.779523

Equilateral Triangle

Length = n
Perimeter 86061165
Area 3.563465579258E+14
Altitude 24843718.389761

Triangular Pyramid

Length = n
Surface area 3.563465579258E+14
Volume 2.7822211643319E+21
Height 13523207.415181