28778532 is an even 8-digits composite number following 28778531
and preceding 28778533 . In scientific notation, it is written as 2.8778532 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 9592840 positive integers (up to 28778532) that are relatively prime to 28778532.
28778532 has 12 divisors, whose sum is 67149936
The reverse of 28778532 is 23587782
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million seven hundred seventy-eight thousand five hundred thirty-two
Scientific notation
2.8778532 × 10^7
Engineering notation
2.8778532 × 10^6
Prime Factorization
2 × 2 × 3 × 2398211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14389266
Product of the distinct prime numbers
The prime factorization of 28778532 is 2 × 2 × 3 × 2398211.
Since it has a total of 4 prime factors.
1 , 10 , 68 , 99 , 477 , 301 , 8558 , 7402 , 60965 , 2664 , 818079 , 882166 , 4710490 , 2104144 , 74386416 , 22322701 , 111823584 , 468341535 , 79311728 , 8310880722
n×2
57557064
n×3
86335596
n×4
115114128
n×5
143892660
n÷2
14389266
n÷3
9592844
n÷3
7194633
n÷5
5755706.4
n2
828203904075024
n3
2.3834492555948E+22
n4
6.8592170672511E+29
n5
1.9739819786483E+37
2 √n
5364.562610316
3 √n
306.44759138225
4 √n
73.24317449644
5 √n
31.032283011827
1 , 2 , 3 , 4 , 6 , 12 , 2398211 , 4796422 , 7194633 , 9592844 , 14389266 , 28778532
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
-28778531
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 28778532 can be divided by 12 positive divisors.
The sum of these divisors (counting 28778532) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101110010000000100100
3
Ternary
2000011002201120
4
Quaternary
1231302000210
5
Quinary
24331403112
6
Senary
2504453540
8
Octal
155620044
10
Decimal
28778532
12
Duodecimal
977a2b0
16
Hexadecimal
1b72024
20
Vigesimal
8jh66c
36
Base36
h4tno
md5
a807ca0a3543f6fc0ead0e31494c794f
sha1
b0cef32476e7406cc37b8a8614e335a98b16dd8b
sha256
f665af16cec0af5eb58f5cbac4084791233eeb172e3a55fd6cf5d14770f89430
sha512
67c7f027f34ffbf2a65a6352348a8e481c07c24b6e40ede18b8413b3e308e6514dee7c224b8e76e8704a07ef54c2121517a7e367ee67fa708de3ef439cc1643d
ripemd-160
a85d672b9aafe72535cb286ba23e19ad3c4eb116
Diameter
57557064
Circumference
180820849.4246
Area
2.6018793007165E+15
Volume
9.9837688954409E+22
Surface area
1.0407517202866E+16
Circumference
180820849.4246
Perimeter
115114128
Area
828203904075024
Diagonal
40698990.259588
Surface area
4969223424450144
Volume
2.3834492555948E+22
Space diagonal
49845879.591247
Perimeter
86335596
Area
3.5862281022121E+14
Altitude
24922939.795623
Surface area
3.5862281022121E+14
Volume
2.8089218854085E+21
Height
13566330.086529