28688370 (number)

28688370 is an even 8-digits composite number following 28688369 and preceding 28688371. In scientific notation, it is written as 2.8688370 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 7505472 positive integers (up to 28688370) that are relatively prime to 28688370.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand three hundred seventy

Notation

Scientific notation 2.8688370 × 10^7
Engineering notation 2.8688370 × 10^6

Prime Factorization of 28688370

Prime Factorization 2 × 15 × 53 × 18043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28688370
Product of the distinct prime numbers

The prime factorization of 28688370 is 2 × 15 × 53 × 18043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 94, 81, 240, 482, 8230, 3968, 32501, 84451, 356362, 484064, 717181, 8411779, 39325419, 39383758, 982195260, 424870263, 2376787880, 3820252520

Basic calculations (n = 28688370)

Multiplication

n×y
n×2 57376740
n×3 86065110
n×4 114753480
n×5 143441850

Division

n÷y
n÷2 14344185
n÷3 9562790
n÷3 7172092.5
n÷5 5737674

Exponentiation

ny
n2 823022573256900
n3 2.3611176099946E+22
n4 6.7736615609041E+29
n5 1.9432530911399E+37

Nth Root

y√n
2√n 5356.1525370363
3√n 306.1272272007
4√n 73.185739984209
5√n 31.012814015762

Divisors of 28688370

1, 2, 15, 30, 53, 106, 795, 1590, 18043, 36086, 270645, 541290, 956279, 1912558, 14344185, 28688370

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 -28688369
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 28688370 can be divided by 16 positive divisors. The sum of these divisors (counting 28688370) is 1, the average is 0.0625.

Base conversion 28688370

Base System Value
2 Binary 1101101011011111111110010
3 Ternary 1222222112001020
4 Quaternary 1231123333302
5 Quinary 24321011440
6 Senary 2502520310
8 Octal 155337762
10 Decimal 28688370
12 Duodecimal 9736096
16 Hexadecimal 1b5bff2
20 Vigesimal 8j60ia
36 Base36 h2w36

Cryptographic Hash Functions

md5 2bd6f57e4aae9aa3fc7423f9d91c818d
sha1 d07135d9c3e0e01b4bd1ff239b73c478e1438336
sha256 1fb7c1ab7b0cfec9f26d1ea2634668e46d65a9aaa814a625a216bb90b881bce5
sha512 42dd39855d0cf9e556b148d4feb1391210d417ab53b165fe5c207c3fd9b93e1909fb97514bff3768d078c1800b3b2ba4bd12e98eec2c22621a79aa3c9b159c88
ripemd-160 258c43409e870efd28369f0a511aa35f07ca70cd

28688370 as geometric shapes

Circle

Radius = n
Diameter 57376740
Circumference 180254344.87093
Area 2.5856016698824E+15

Sphere

Radius = n
Volume 9.8902263170941E+22
Surface area 1.034240667953E+16
Circumference 180254344.87093

Square

Length = n
Perimeter 114753480
Area 823022573256900
Diagonal 40571481.936377

Cube

Length = n
Surface area 4938135439541400
Volume 2.3611176099946E+22
Space diagonal 49689714.426335

Equilateral Triangle

Length = n
Perimeter 86065110
Area 3.5637922816426E+14
Altitude 24844857.213167

Triangular Pyramid

Length = n
Surface area 3.5637922816426E+14
Volume 2.7826037886769E+21
Height 13523827.312126