28872790 (number)

28872790 is an even 8-digits composite number following 28872789 and preceding 28872791. In scientific notation, it is written as 2.8872790 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 11549112 positive integers (up to 28872790) that are relatively prime to 28872790.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seventy-two thousand seven hundred ninety

Notation

Scientific notation 2.8872790 × 10^7
Engineering notation 2.8872790 × 10^6

Prime Factorization of 28872790

Prime Factorization 2 × 5 × 2887279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28872790
Product of the distinct prime numbers

The prime factorization of 28872790 is 2 × 5 × 2887279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28872790)

Multiplication

n×y
n×2 57745580
n×3 86618370
n×4 115491160
n×5 144363950

Division

n÷y
n÷2 14436395
n÷3 9624263.3333333
n÷3 7218197.5
n÷5 5774558

Exponentiation

ny
n2 833638002384100
n3 2.4069454978856E+22
n4 6.9495231901895E+29
n5 2.0065212367047E+37

Nth Root

y√n
2√n 5373.3406741058
3√n 306.78179488512
4√n 73.303074110884
5√n 31.052584369133

Divisors of 28872790

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28872789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28872790 can be divided by 8 positive divisors. The sum of these divisors (counting 28872790) is 1, the average is 0.125.

Base conversion 28872790

Base System Value
2 Binary 1101110001001000001010110
3 Ternary 2000022220000121
4 Quaternary 1232021001112
5 Quinary 24342412130
6 Senary 2510502154
8 Octal 156110126
10 Decimal 28872790
12 Duodecimal 980495a
16 Hexadecimal 1b89056
20 Vigesimal 9091ja
36 Base36 h6udy

Cryptographic Hash Functions

md5 47fc3339ca67c16c69bdad020a8b2b34
sha1 d8b0d59345b88526ebcb585b613859a225a100f0
sha256 6862066f988eee19ffe18fbda0e02d4e6b9fdf29ece812a95e6f17389ee29bd9
sha512 3bae93df7247e9b2986ce9a68f82af8bc123d5bd11d17d63b13799513966efd816a410c149e93352a15a8a1cf02f4704ca383d42303140356bd65493c5a5fb86
ripemd-160 d1cee10162c0dd7f123915562d2d702a6d12f9af

28872790 as geometric shapes

Circle

Radius = n
Diameter 57745580
Circumference 181413089.90528
Area 2.6189510240432E+15

Sphere

Radius = n
Volume 1.0082189724998E+23
Surface area 1.0475804096173E+16
Circumference 181413089.90528

Square

Length = n
Perimeter 115491160
Area 833638002384100
Diagonal 40832291.20155

Cube

Length = n
Surface area 5001828014304600
Volume 2.4069454978856E+22
Space diagonal 50009139.236267

Equilateral Triangle

Length = n
Perimeter 86618370
Area 3.6097584381237E+14
Altitude 25004569.618133

Triangular Pyramid

Length = n
Surface area 3.6097584381237E+14
Volume 2.8366124725022E+21
Height 13610763.73385