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.
28779849 has 16 divisors, whose sum is 40607424
The reverse of 28779849 is 94897782
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million seven hundred seventy-nine thousand eight hundred forty-nine
Scientific notation
2.8779849 × 10^7
Engineering notation
2.8779849 × 10^6
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.
5 , 1 , 94 , 61 , 202 , 445 , 5095 , 5320 , 28199 , 2382 , 910267 , 719196 , 7084534 , 6463508 , 43622343 , 47122358 , 193261149 , 162102130 , 8354355368 , 7896531108
n×2
57559698
n×3
86339547
n×4
115119396
n×5
143899245
n÷2
14389924.5
n÷3
9593283
n÷3
7194962.25
n÷5
5755969.8
n2
828279708462801
n3
2.3837764939323E+22
n4
6.8604727545122E+29
n5
1.9744336994348E+37
2 √n
5364.6853589004
3 √n
306.45226599319
4 √n
73.244012444024
5 √n
31.032567034436
1 , 3 , 21 , 63 , 101 , 303 , 2121 , 4523 , 6363 , 13569 , 94983 , 284949 , 456823 , 1370469 , 9593283 , 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
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
md5
e78b34e0d8b620555754a96ee7d0cdad
sha1
9a5727cef9e4c3679112e469518a5d363660952e
sha256
fe424fd38dd9e69b536b1a42701e3855baf1b4dbc2b7bccb8512a0f835107c8d
sha512
6e284bf713dfb2cac7afb18f547482ca65f9cb4c2f7ac28f01be6751eedf71891a08ac059f334c11b5999d1368a8272322266954124011221a7233e70da93676
ripemd-160
f155378d7797659f31c0908e7b1c5dcfbeefec91
Diameter
57559698
Circumference
180829124.37965
Area
2.6021174472242E+15
Volume
9.9851396281838E+22
Surface area
1.0408469788897E+16
Circumference
180829124.37965
Perimeter
115119396
Area
828279708462801
Diagonal
40700852.77885
Surface area
4969678250776806
Volume
2.3837764939323E+22
Space diagonal
49848160.70216
Perimeter
86339547
Area
3.5865563448398E+14
Altitude
24924080.35108
Surface area
3.5865563448398E+14
Volume
2.8093075394878E+21
Height
13566950.926283