28776979 (number)

28776979 is an odd 8-digits composite number following 28776978 and preceding 28776980. In scientific notation, it is written as 2.8776979 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 21447360 positive integers (up to 28776979) that are relatively prime to 28776979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8776979 × 10^7
Engineering notation 2.8776979 × 10^6

Prime Factorization of 28776979

Prime Factorization 77 × 23 × 16249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28776979
Product of the distinct prime numbers

The prime factorization of 28776979 is 77 × 23 × 16249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 73, 74, 700, 420, 5165, 1485, 74231, 22652, 944850, 573970, 8968478, 8481146, 58661462, 56570517, 163759370, 863426753, 1610200944, 6662129049

Basic calculations (n = 28776979)

Multiplication

n×y
n×2 57553958
n×3 86330937
n×4 115107916
n×5 143884895

Division

n÷y
n÷2 14388489.5
n÷3 9592326.3333333
n÷3 7194244.75
n÷5 5755395.8

Exponentiation

ny
n2 828114520366441
n3 2.383063416218E+22
n4 6.8577365884174E+29
n5 1.9734494179242E+37

Nth Root

y√n
2√n 5364.4178621729
3√n 306.4420789205
4√n 73.242186355767
5√n 31.031948080387

Divisors of 28776979

1, 23, 77, 1771, 16249, 373727, 1251173, 28776979

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 -28776978
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 28776979 can be divided by 8 positive divisors. The sum of these divisors (counting 28776979) is 1, the average is 0.125.

Base conversion 28776979

Base System Value
2 Binary 1101101110001101000010011
3 Ternary 2000011000121001
4 Quaternary 1231301220103
5 Quinary 24331330404
6 Senary 2504442431
8 Octal 155615023
10 Decimal 28776979
12 Duodecimal 9779417
16 Hexadecimal 1b71a13
20 Vigesimal 8jh28j
36 Base36 h4sgj

Cryptographic Hash Functions

md5 cf84164c461a59f1e763e2a08db43e37
sha1 b4f3bbfb6b519763055d97fb0f2223757e4a075c
sha256 3b251a6cc2414d4097d815832f2537edb5849382b8b3f5c167497bb20b725bdd
sha512 5a9a7c3ed4f7be40c6bb0c746b7d4c6b20bd061e13416f1da81fac72012d5d25a235436b8cd16d3a88f2748b3a0e26145b7cd5a2818d80944082b0448b88e4a4
ripemd-160 29c96764807bfec7b72250d33627cbef31ff62be

28776979 as geometric shapes

Circle

Radius = n
Diameter 57553958
Circumference 180811091.63782
Area 2.6015984935142E+15

Sphere

Radius = n
Volume 9.9821526952388E+22
Surface area 1.0406393974057E+16
Circumference 180811091.63782

Square

Length = n
Perimeter 115107916
Area 828114520366441
Diagonal 40696793.985926

Cube

Length = n
Surface area 4968687122198646
Volume 2.383063416218E+22
Space diagonal 49843189.716343

Equilateral Triangle

Length = n
Perimeter 86330937
Area 3.5858410594005E+14
Altitude 24921594.858171

Triangular Pyramid

Length = n
Surface area 3.5858410594005E+14
Volume 2.8084671693422E+21
Height 13565597.995309