28778848 is an even 8-digits composite number following 28778847
and preceding 28778849 . In scientific notation, it is written as 2.8778848 × 10^7.
The sum of its digits is 52. It has a total of 7 prime factors and 24 positive divisors.
There are 12333696 positive integers (up to 28778848) that are relatively prime to 28778848.
28778848 has 24 divisors, whose sum is 64752912
The reverse of 28778848 is 84887782
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million seven hundred seventy-eight thousand eight hundred forty-eight
Scientific notation
2.8778848 × 10^7
Engineering notation
2.8778848 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 7 × 128477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1798678
Product of the distinct prime numbers
The prime factorization of 28778848 is 2 × 2 × 2 × 2 × 2 × 7 × 128477.
Since it has a total of 7 prime factors.
7 , 5 , 77 , 95 , 81 , 366 , 6677 , 5344 , 99816 , 80283 , 530926 , 201892 , 1320730 , 4854290 , 27741029 , 48431457 , 47516522 , 611496358 , 8322970198 , 5971585133
n×2
57557696
n×3
86336544
n×4
115115392
n×5
143894240
n÷2
14389424
n÷3
9592949.3333333
n÷3
7194712
n÷5
5755769.6
n2
828222092207104
n3
2.383527770187E+22
n4
6.8595183401991E+29
n5
1.974090356658E+37
2 √n
5364.5920627761
3 √n
306.44871301792
4 √n
73.243375555582
5 √n
31.032351160949
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 112 , 224 , 128477 , 256954 , 513908 , 899339 , 1027816 , 1798678 , 2055632 , 3597356 , 4111264 , 7194712 , 14389424 , 28778848
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28778847
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28778848 can be divided by 24 positive divisors.
The sum of these divisors (counting 28778848) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101110010000101100000
3
Ternary
2000011010011021
4
Quaternary
1231302011200
5
Quinary
24331410343
6
Senary
2504455224
8
Octal
155620540
10
Decimal
28778848
12
Duodecimal
977a514
16
Hexadecimal
1b72160
20
Vigesimal
8jh728
36
Base36
h4twg
md5
12f1b5400a4eb68c372bf0627c9ed80b
sha1
783d43d0aee4b8d412b8a59b777e828a91d41801
sha256
74092a5d6ee0b0e66d50113df29751842186dbedd4fe6e6b05091ea4d02aa3e4
sha512
37471b88b716882148b56dc0d0fc63e43202f639c10f30913d4440c717a3d424a8c627c75ab8375a44d49d7b024d6ff18d0f53a8c799e0740fdb9392fa2166af
ripemd-160
cd9f430baf45a0439960b065080b9c9f3bcf3a64
Diameter
57557696
Circumference
180822834.91115
Area
2.6019364404186E+15
Volume
9.9840977765957E+22
Surface area
1.0407745761674E+16
Circumference
180822834.91115
Perimeter
115115392
Area
828222092207104
Diagonal
40699437.151074
Surface area
4969332553242624
Volume
2.383527770187E+22
Space diagonal
49846426.919302
Perimeter
86336544
Area
3.5863068591342E+14
Altitude
24923213.459651
Surface area
3.5863068591342E+14
Volume
2.8090144157428E+21
Height
13566479.050358