28776988 (number)

28776988 is an even 8-digits composite number following 28776987 and preceding 28776989. In scientific notation, it is written as 2.8776988 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 13542080 positive integers (up to 28776988) that are relatively prime to 28776988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8776988 × 10^7
Engineering notation 2.8776988 × 10^6

Prime Factorization of 28776988

Prime Factorization 2 × 2 × 17 × 423191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14388494
Product of the distinct prime numbers

The prime factorization of 28776988 is 2 × 2 × 17 × 423191. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 62, 34, 465, 496, 5486, 4924, 47112, 65392, 27991, 467691, 7716202, 6863670, 958334, 68317270, 981746081, 572630668, 6923311361, 1334092833

Basic calculations (n = 28776988)

Multiplication

n×y
n×2 57553976
n×3 86330964
n×4 115107952
n×5 143884940

Division

n÷y
n÷2 14388494
n÷3 9592329.3333333
n÷3 7194247
n÷5 5755397.6

Exponentiation

ny
n2 828115038352144
n3 2.3830656521279E+22
n4 6.8577451674497E+29
n5 1.9734525039076E+37

Nth Root

y√n
2√n 5364.4187010337
3√n 306.44211086708
4√n 73.24219208239
5√n 31.031950021435

Divisors of 28776988

1, 2, 4, 17, 34, 68, 423191, 846382, 1692764, 7194247, 14388494, 28776988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28776987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28776988 can be divided by 12 positive divisors. The sum of these divisors (counting 28776988) is 1, the average is 0.083333333333333.

Base conversion 28776988

Base System Value
2 Binary 1101101110001101000011100
3 Ternary 2000011000121101
4 Quaternary 1231301220130
5 Quinary 24331330423
6 Senary 2504442444
8 Octal 155615034
10 Decimal 28776988
12 Duodecimal 9779424
16 Hexadecimal 1b71a1c
20 Vigesimal 8jh298
36 Base36 h4sgs

Cryptographic Hash Functions

md5 e9063b14cb047cf0a0023488c5094828
sha1 3676dd585d385c01c7cef397a9d6f0e9dc996ff7
sha256 dfec53257ecf616ed3487148df987f06c33199183527950f3e5dbadf60386600
sha512 1ac9b7b47e3b0a3b8fd521f1591a50a16a105e6e8d1cbcdd4760bb87b2d5ef3cd472debb5550d0899ab8e7310f792e8f6052b88cf795b3e25fec6309cec8104b
ripemd-160 e16e43ffe1a08beb9bfd5ebcb1da1a33252d0c11

28776988 as geometric shapes

Circle

Radius = n
Diameter 57553976
Circumference 180811148.18648
Area 2.6016001208143E+15

Sphere

Radius = n
Volume 9.9821620609963E+22
Surface area 1.0406400483257E+16
Circumference 180811148.18648

Square

Length = n
Perimeter 115107952
Area 828115038352144
Diagonal 40696806.713848

Cube

Length = n
Surface area 4968690230112864
Volume 2.3830656521279E+22
Space diagonal 49843205.3048

Equilateral Triangle

Length = n
Perimeter 86330964
Area 3.5858433023444E+14
Altitude 24921602.6524

Triangular Pyramid

Length = n
Surface area 3.5858433023444E+14
Volume 2.8084698043873E+21
Height 13565602.237949