28777988 (number)

28777988 is an even 8-digits composite number following 28777987 and preceding 28777989. In scientific notation, it is written as 2.8777988 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 6 positive divisors. There are 14388992 positive integers (up to 28777988) that are relatively prime to 28777988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8777988 × 10^7
Engineering notation 2.8777988 × 10^6

Prime Factorization of 28777988

Prime Factorization 2 × 2 × 7194497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14388994
Product of the distinct prime numbers

The prime factorization of 28777988 is 2 × 2 × 7194497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 6, 35, 807, 481, 8837, 1373, 99498, 89988, 439886, 690871, 5842365, 8029700, 27509119, 39977656, 399377384, 259465460, 335898549, 7412766683

Basic calculations (n = 28777988)

Multiplication

n×y
n×2 57555976
n×3 86333964
n×4 115111952
n×5 143889940

Division

n÷y
n÷2 14388994
n÷3 9592662.6666667
n÷3 7194497
n÷5 5755597.6

Exponentiation

ny
n2 828172593328144
n3 2.3833140952726E+22
n4 6.8586984433986E+29
n5 1.9737954149974E+37

Nth Root

y√n
2√n 5364.5119069679
3√n 306.4456604459
4√n 73.24282836543
5√n 31.032165690418

Divisors of 28777988

1, 2, 4, 7194497, 14388994, 28777988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28777987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28777988 can be divided by 6 positive divisors. The sum of these divisors (counting 28777988) is 1, the average is 0.16666666666667.

Base conversion 28777988

Base System Value
2 Binary 1101101110001111000000100
3 Ternary 2000011001222102
4 Quaternary 1231301320010
5 Quinary 24331343423
6 Senary 2504451232
8 Octal 155617004
10 Decimal 28777988
12 Duodecimal 9779b18
16 Hexadecimal 1b71e04
20 Vigesimal 8jh4j8
36 Base36 h4t8k

Cryptographic Hash Functions

md5 e710dd9920601729233bf4e7a6cbc53a
sha1 9c77c098bbe007d36264af662e0818b7488313c7
sha256 f1b08e45efa4c5c9d411f6cc5ab3f67c56a4d8515dad2925444c7ab77855745f
sha512 e82a92982a9435d97b828dca47cecd3a4b47454c3c1ddaed35a1d4bc575fc5b8b9983b582b94d1af8aa251e49f6460ed20c23c8f392db4bf5b525cca9fee69ef
ripemd-160 f3fc0962aa15c2a5652909a3a9eb52878c5a3b96

28777988 as geometric shapes

Circle

Radius = n
Diameter 57555976
Circumference 180817431.37179
Area 2.6017809351041E+15

Sphere

Radius = n
Volume 9.9832027372073E+22
Surface area 1.0407123740416E+16
Circumference 180817431.37179

Square

Length = n
Perimeter 115111952
Area 828172593328144
Diagonal 40698220.92741

Cube

Length = n
Surface area 4969035559968864
Volume 2.3833140952726E+22
Space diagonal 49844937.355607

Equilateral Triangle

Length = n
Perimeter 86333964
Area 3.5860925227011E+14
Altitude 24922468.677804

Triangular Pyramid

Length = n
Surface area 3.5860925227011E+14
Volume 2.8087625974413E+21
Height 13566073.64247