28776821 (number)

28776821 is an odd 8-digits prime number following 28776820 and preceding 28776822. In scientific notation, it is written as 2.8776821 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 28776820 positive integers (up to 28776821) that are relatively prime to 28776821.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-six thousand eight hundred twenty-one

Notation

Scientific notation 2.8776821 × 10^7
Engineering notation 2.8776821 × 10^6

Prime Factorization of 28776821

Prime Factorization 28776821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28776821
Product of the distinct prime numbers

The prime factorization of 28776821 is 28776821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 10, 82, 5, 958, 1000, 9354, 7012, 57716, 97980, 701949, 910851, 3463985, 6251394, 58722610, 36685958, 749689266, 781387713, 5687112200, 7050351952

Basic calculations (n = 28776821)

Multiplication

n×y
n×2 57553642
n×3 86330463
n×4 115107284
n×5 143884105

Division

n÷y
n÷2 14388410.5
n÷3 9592273.6666667
n÷3 7194205.25
n÷5 5755364.2

Exponentiation

ny
n2 828105426866041
n3 2.3830241638053E+22
n4 6.8575859800499E+29
n5 1.9733952424E+37

Nth Root

y√n
2√n 5364.4031354849
3√n 306.44151807941
4√n 73.242085821506
5√n 31.031914004131

Divisors of 28776821

1, 28776821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28776822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14388411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5364.4032286919
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999304996
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28776821 can be divided by 2 positive divisors. The sum of these divisors (counting 28776821) is 28776822, the average is 14388411.

Base conversion 28776821

Base System Value
2 Binary 1101101110001100101110101
3 Ternary 2000011000101012
4 Quaternary 1231301211311
5 Quinary 24331324241
6 Senary 2504442005
8 Octal 155614565
10 Decimal 28776821
12 Duodecimal 9779305
16 Hexadecimal 1b71975
20 Vigesimal 8jh211
36 Base36 h4sc5

Cryptographic Hash Functions

md5 7bb1557bf3fb7ec0bcf6eee144b1831a
sha1 51c94249e9ab7a92cfcedd45ca34c0c46bd54b0d
sha256 6e7f5c8c012101b3cb51898ce6be9b52d76b296b2e3fc122711386cbe63687a2
sha512 2734e8ef8f5f566e137789563ab766a82d44f94f7d571d0a460ce67d15e31658d627281e5b8727758e9c4dad1c787a162bc42e3c2c14bfc975a8f529b10ef360
ripemd-160 b5050f4fdcb7ead5309a72e4124dcc140cc471bc

28776821 as geometric shapes

Circle

Radius = n
Diameter 57553642
Circumference 180810098.89454
Area 2.6015699254402E+15

Sphere

Radius = n
Volume 9.9819882751168E+22
Surface area 1.0406279701761E+16
Circumference 180810098.89454

Square

Length = n
Perimeter 115107284
Area 828105426866041
Diagonal 40696570.540183

Cube

Length = n
Surface area 4968632561196246
Volume 2.3830241638053E+22
Space diagonal 49842916.052315

Equilateral Triangle

Length = n
Perimeter 86330463
Area 3.5858016833887E+14
Altitude 24921458.026158

Triangular Pyramid

Length = n
Surface area 3.5858016833887E+14
Volume 2.8084209099302E+21
Height 13565523.513394