28685874 is an even 8-digits composite number following 28685873
and preceding 28685875 . In scientific notation, it is written as 2.8685874 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 8195880 positive integers (up to 28685874) that are relatively prime to 28685874.
28685874 has 24 divisors, whose sum is 66739248
The reverse of 28685874 is 47858682
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million six hundred eighty-five thousand eight hundred seventy-four
Scientific notation
2.8685874 × 10^7
Engineering notation
2.8685874 × 10^6
Prime Factorization
2 × 3 × 7 × 7 × 97571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4097982
Product of the distinct prime numbers
The prime factorization of 28685874 is 2 × 3 × 7 × 7 × 97571.
Since it has a total of 5 prime factors.
7 , 7 , 49 , 78 , 559 , 17 , 4836 , 3325 , 86222 , 74558 , 289080 , 204240 , 8052088 , 5962455 , 71418032 , 2461 , 86957547 , 34602128 , 8425090130 , 9173306329
n×2
57371748
n×3
86057622
n×4
114743496
n×5
143429370
n÷2
14342937
n÷3
9561958
n÷3
7171468.5
n÷5
5737174.8
n2
822879367143876
n3
2.3605013843089E+22
n4
6.7713045287111E+29
n5
1.9424078852623E+37
2 √n
5355.9195288951
3 √n
306.11834885592
4 √n
73.184148071117
5 √n
31.012274349843
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 49 , 98 , 147 , 294 , 97571 , 195142 , 292713 , 585426 , 682997 , 1365994 , 2048991 , 4097982 , 4780979 , 9561958 , 14342937 , 28685874
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
-28685873
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 28685874 can be divided by 24 positive divisors.
The sum of these divisors (counting 28685874) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101011011011000110010
3
Ternary
1222222101121210
4
Quaternary
1231123120302
5
Quinary
24320421444
6
Senary
2502500550
8
Octal
155333062
10
Decimal
28685874
12
Duodecimal
9734756
16
Hexadecimal
1b5b632
20
Vigesimal
8j5ede
36
Base36
h2u5u
md5
f8448abfdd4156749def2025c9058b46
sha1
34998a29762743170058b13ec30228d447819cf5
sha256
8c17d2a417492dbc0c8cb9ae16a7e3a63d4a28aa2d140510a7cadcd0a450e1c4
sha512
a2faf35a132ed84d275db2b71a3f84357f63cb43e55e87d371c5444f115316696d8a06fc739dbf0535909dd9716f907fb678aea6b3024dafb4c543b9a3c9e372
ripemd-160
1a9aa36ae58494e44e621313549fb4a39e2f901f
Diameter
57371748
Circumference
180238662.0404
Area
2.5851517746098E+15
Volume
9.8876450769778E+22
Surface area
1.0340607098439E+16
Circumference
180238662.0404
Perimeter
114743496
Area
822879367143876
Diagonal
40567952.059326
Surface area
4937276202863256
Volume
2.3605013843089E+22
Space diagonal
49685391.227519
Perimeter
86057622
Area
3.5631721809833E+14
Altitude
24842695.61376
Surface area
3.5631721809833E+14
Volume
2.7818775597418E+21
Height
13522650.686442