28779849 (number)

28779849 is an odd 8-digits composite number following 28779848 and preceding 28779850. In scientific notation, it is written as 2.8779849 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 16279200 positive integers (up to 28779849) that are relatively prime to 28779849.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8779849 × 10^7
Engineering notation 2.8779849 × 10^6

Prime Factorization of 28779849

Prime Factorization 21 × 3 × 101 × 4523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28779849
Product of the distinct prime numbers

The prime factorization of 28779849 is 21 × 3 × 101 × 4523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28779849)

Multiplication

n×y
n×2 57559698
n×3 86339547
n×4 115119396
n×5 143899245

Division

n÷y
n÷2 14389924.5
n÷3 9593283
n÷3 7194962.25
n÷5 5755969.8

Exponentiation

ny
n2 828279708462801
n3 2.3837764939323E+22
n4 6.8604727545122E+29
n5 1.9744336994348E+37

Nth Root

y√n
2√n 5364.6853589004
3√n 306.45226599319
4√n 73.244012444024
5√n 31.032567034436

Divisors of 28779849

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28779848
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28779849 can be divided by 16 positive divisors. The sum of these divisors (counting 28779849) is 1, the average is 0.0625.

Base conversion 28779849

Base System Value
2 Binary 1101101110010010101001001
3 Ternary 2000011011112100
4 Quaternary 1231302111021
5 Quinary 24331423344
6 Senary 2504504013
8 Octal 155622511
10 Decimal 28779849
12 Duodecimal 977b009
16 Hexadecimal 1b72549
20 Vigesimal 8jh9c9
36 Base36 h4uo9

Cryptographic Hash Functions

md5 e78b34e0d8b620555754a96ee7d0cdad
sha1 9a5727cef9e4c3679112e469518a5d363660952e
sha256 fe424fd38dd9e69b536b1a42701e3855baf1b4dbc2b7bccb8512a0f835107c8d
sha512 6e284bf713dfb2cac7afb18f547482ca65f9cb4c2f7ac28f01be6751eedf71891a08ac059f334c11b5999d1368a8272322266954124011221a7233e70da93676
ripemd-160 f155378d7797659f31c0908e7b1c5dcfbeefec91

28779849 as geometric shapes

Circle

Radius = n
Diameter 57559698
Circumference 180829124.37965
Area 2.6021174472242E+15

Sphere

Radius = n
Volume 9.9851396281838E+22
Surface area 1.0408469788897E+16
Circumference 180829124.37965

Square

Length = n
Perimeter 115119396
Area 828279708462801
Diagonal 40700852.77885

Cube

Length = n
Surface area 4969678250776806
Volume 2.3837764939323E+22
Space diagonal 49848160.70216

Equilateral Triangle

Length = n
Perimeter 86339547
Area 3.5865563448398E+14
Altitude 24924080.35108

Triangular Pyramid

Length = n
Surface area 3.5865563448398E+14
Volume 2.8093075394878E+21
Height 13566950.926283