28777987 (number)

28777987 is an odd 8-digits composite number following 28777986 and preceding 28777988. In scientific notation, it is written as 2.8777987 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 24121152 positive integers (up to 28777987) that are relatively prime to 28777987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8777987 × 10^7
Engineering notation 2.8777987 × 10^6

Prime Factorization of 28777987

Prime Factorization 1393 × 73 × 283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28777987
Product of the distinct prime numbers

The prime factorization of 28777987 is 1393 × 73 × 283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 27, 59, 729, 461, 7407, 5528, 4392, 18575, 765267, 100815, 2819336, 6342066, 99882940, 70180171, 616669517, 59429497, 1526791128, 3777186986

Basic calculations (n = 28777987)

Multiplication

n×y
n×2 57555974
n×3 86333961
n×4 115111948
n×5 143889935

Division

n÷y
n÷2 14388993.5
n÷3 9592662.3333333
n÷3 7194496.75
n÷5 5755597.4

Exponentiation

ny
n2 828172535772169
n3 2.3833138468209E+22
n4 6.858697490073E+29
n5 1.9737950720625E+37

Nth Root

y√n
2√n 5364.5118137627
3√n 306.44565689637
4√n 73.242827729155
5√n 31.032165474752

Divisors of 28777987

1, 73, 283, 1393, 20659, 101689, 394219, 28777987

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 -28777986
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 28777987 can be divided by 8 positive divisors. The sum of these divisors (counting 28777987) is 1, the average is 0.125.

Base conversion 28777987

Base System Value
2 Binary 1101101110001111000000011
3 Ternary 2000011001222101
4 Quaternary 1231301320003
5 Quinary 24331343422
6 Senary 2504451231
8 Octal 155617003
10 Decimal 28777987
12 Duodecimal 9779b17
16 Hexadecimal 1b71e03
20 Vigesimal 8jh4j7
36 Base36 h4t8j

Cryptographic Hash Functions

md5 8e191803022b54952ac56107706e4624
sha1 afed2a1601bc7e219f6479d6f6fb25d9c7baa8c1
sha256 04ba24cdd8a9820fc33c10e35a1acfb66aef99f4b63e8ffe8b617736ee7d96c5
sha512 2640d7c7e42b4a0c1297e8cd5c117295c94c928daa088ef3cda99060dc6b173d824b278c6208787e574e210fd4c37241ddbb9400afa67e000f1e74f0085692b1
ripemd-160 8b2601d2b2ecf3ebf2ae4695e540b70f36f6a884

28777987 as geometric shapes

Circle

Radius = n
Diameter 57555974
Circumference 180817425.08861
Area 2.6017807542867E+15

Sphere

Radius = n
Volume 9.983201696495E+22
Surface area 1.0407123017147E+16
Circumference 180817425.08861

Square

Length = n
Perimeter 115111948
Area 828172535772169
Diagonal 40698219.513197

Cube

Length = n
Surface area 4969035214633014
Volume 2.3833138468209E+22
Space diagonal 49844935.623557

Equilateral Triangle

Length = n
Perimeter 86333961
Area 3.5860922734764E+14
Altitude 24922467.811778

Triangular Pyramid

Length = n
Surface area 3.5860922734764E+14
Volume 2.808762304638E+21
Height 13566073.171066