28787777 (number)

28787777 is an odd 8-digits prime number following 28787776 and preceding 28787778. In scientific notation, it is written as 2.8787777 × 10^7. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 28787776 positive integers (up to 28787777) that are relatively prime to 28787777.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8787777 × 10^7
Engineering notation 2.8787777 × 10^6

Prime Factorization of 28787777

Prime Factorization 28787777

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28787777
Product of the distinct prime numbers

The prime factorization of 28787777 is 28787777. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 8, 94, 27, 85, 110, 1327, 7163, 70614, 21409, 465297, 39265, 1577578, 6558672, 11313792, 13386482, 738823410, 334313119, 6853929929, 6016892023

Basic calculations (n = 28787777)

Multiplication

n×y
n×2 57575554
n×3 86363331
n×4 115151108
n×5 143938885

Division

n÷y
n÷2 14393888.5
n÷3 9595925.6666667
n÷3 7196944.25
n÷5 5757555.4

Exponentiation

ny
n2 828736104601729
n3 2.3857470171123E+22
n4 6.8680353107045E+29
n5 1.9771546895269E+37

Nth Root

y√n
2√n 5365.4242143562
3√n 306.48040293151
4√n 73.249056064609
5√n 31.034276557559

Divisors of 28787777

1, 28787777

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28787778
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14393889
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5365.4243075455
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999305261
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28787777 can be divided by 2 positive divisors. The sum of these divisors (counting 28787777) is 28787778, the average is 14393889.

Base conversion 28787777

Base System Value
2 Binary 1101101110100010001000001
3 Ternary 2000011120101222
4 Quaternary 1231310101001
5 Quinary 24332202102
6 Senary 2505004425
8 Octal 155642101
10 Decimal 28787777
12 Duodecimal 9783715
16 Hexadecimal 1b74441
20 Vigesimal 8ji98h
36 Base36 h50sh

Cryptographic Hash Functions

md5 782c74f4891cfb32ebc0df2d20abd8e2
sha1 20171670841e6d59ab8fe3f1752af53218746566
sha256 36d99d15e7900a167832d3e2bbae0087167bf7457262d96261ef5f14bfbc9fd2
sha512 072f7209f39975c7ef1be2f8e0acb3ab940ada2b8d5eacbabbec3a6c93b8d4c3eb54d6b6a132fcf85a424e738821008999db4b376e57758b567cbd7c4c58f335
ripemd-160 40aa82a0c8f55fddbde7e5b1c73f65cca8af9863

28787777 as geometric shapes

Circle

Radius = n
Diameter 57575554
Circumference 180878937.47276
Area 2.6035512579814E+15

Sphere

Radius = n
Volume 9.9933937363785E+22
Surface area 1.0414205031926E+16
Circumference 180878937.47276

Square

Length = n
Perimeter 115151108
Area 828736104601729
Diagonal 40712064.663972

Cube

Length = n
Surface area 4972416627610374
Volume 2.3857470171123E+22
Space diagonal 49861892.400963

Equilateral Triangle

Length = n
Perimeter 86363331
Area 3.5885325980923E+14
Altitude 24930946.200481

Triangular Pyramid

Length = n
Surface area 3.5885325980923E+14
Volume 2.8116298233262E+21
Height 13570688.221324