28487907 (number)

28487907 is an odd 8-digits composite number following 28487906 and preceding 28487908. In scientific notation, it is written as 2.8487907 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 15822720 positive integers (up to 28487907) that are relatively prime to 28487907.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-seven thousand nine hundred seven

Notation

Scientific notation 2.8487907 × 10^7
Engineering notation 2.8487907 × 10^6

Prime Factorization of 28487907

Prime Factorization 41 × 21 × 3 × 41 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 694827
Product of the distinct prime numbers

The prime factorization of 28487907 is 41 × 21 × 3 × 41 × 269. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 88, 80, 582, 212, 2282, 9201, 47868, 59863, 471455, 918418, 8926146, 1987627, 30031327, 60312954, 348043692, 798537498, 2034224217, 3498122231

Basic calculations (n = 28487907)

Multiplication

n×y
n×2 56975814
n×3 85463721
n×4 113951628
n×5 142439535

Division

n÷y
n÷2 14243953.5
n÷3 9495969
n÷3 7121976.75
n÷5 5697581.4

Exponentiation

ny
n2 811560845240649
n3 2.3119669884057E+22
n4 6.5863100552772E+29
n5 1.876301883279E+37

Nth Root

y√n
2√n 5337.4063926218
3√n 305.41252787167
4√n 73.057555342496
5√n 30.969351305931

Divisors of 28487907

1, 3, 21, 41, 63, 123, 269, 807, 861, 1681, 2583, 5043, 5649, 11029, 16947, 33087, 35301, 105903, 231609, 452189, 694827, 1356567, 9495969, 28487907

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28487906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28487907 can be divided by 24 positive divisors. The sum of these divisors (counting 28487907) is 1, the average is 0.041666666666667.

Base conversion 28487907

Base System Value
2 Binary 1101100101011000011100011
3 Ternary 1222121100001200
4 Quaternary 1230223003203
5 Quinary 24243103112
6 Senary 2454332243
8 Octal 154530343
10 Decimal 28487907
12 Duodecimal 965a083
16 Hexadecimal 1b2b0e3
20 Vigesimal 8i0jf7
36 Base36 gyler

Cryptographic Hash Functions

md5 0525de0f199ad86298b5b027417db95f
sha1 642d2fbb93766dbaecf7820085840b8a4b1ff7b6
sha256 5f1e4e79efdfe3e91f34ef04a565a30c754213fb865d93490df0d851600ab78a
sha512 8683f7f8b3ebe225e537b2a91b1585f60f7e833aa652fdba66ec24dffd6976a7ab0ba10d0fcfc7458df1c06fa165b2f2573153bbf974e6e1159953cd32c3b6bc
ripemd-160 34845944038a4e515eead852a678816fd5a0ebaf

28487907 as geometric shapes

Circle

Radius = n
Diameter 56975814
Circumference 178994798.6947
Area 2.5495935893491E+15

Sphere

Radius = n
Volume 9.6843446748233E+22
Surface area 1.0198374357397E+16
Circumference 178994798.6947

Square

Length = n
Perimeter 113951628
Area 811560845240649
Diagonal 40287984.443023

Cube

Length = n
Surface area 4869365071443894
Volume 2.3119669884057E+22
Space diagonal 49342502.325297

Equilateral Triangle

Length = n
Perimeter 85463721
Area 3.5141615434759E+14
Altitude 24671251.162649

Triangular Pyramid

Length = n
Surface area 3.5141615434759E+14
Volume 2.7246792256352E+21
Height 13429328.147674