28017868 is an even 8-digits composite number following 28017867
and preceding 28017869 . In scientific notation, it is written as 2.8017868 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 13864320 positive integers (up to 28017868) that are relatively prime to 28017868.
28017868 has 12 divisors, whose sum is 49537432
The reverse of 28017868 is 86871082
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million seventeen thousand eight hundred sixty-eight
Scientific notation
2.8017868 × 10^7
Engineering notation
2.8017868 × 10^6
Prime Factorization
2 × 2 × 97 × 72211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14008934
Product of the distinct prime numbers
The prime factorization of 28017868 is 2 × 2 × 97 × 72211.
Since it has a total of 4 prime factors.
5 , 2 , 95 , 46 , 970 , 708 , 190 , 8681 , 34209 , 10019 , 960002 , 980396 , 6770305 , 6387994 , 93890500 , 6055978 , 835817236 , 985517785 , 7085815645 , 1839334034
n×2
56035736
n×3
84053604
n×4
112071472
n×5
140089340
n÷2
14008934
n÷3
9339289.3333333
n÷3
7004467
n÷5
5603573.6
n2
785000927265424
n3
2.199405236E+22
n4
6.1622645580758E+29
n5
1.7265351496924E+37
2 √n
5293.1907201611
3 √n
303.72347603809
4 √n
72.75431753622
5 √n
30.866473704611
1 , 2 , 4 , 97 , 194 , 388 , 72211 , 144422 , 288844 , 7004467 , 14008934 , 28017868
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
-28017867
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 28017868 can be divided by 12 positive divisors.
The sum of these divisors (counting 28017868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010111000010011001100
3
Ternary
1221201110021211
4
Quaternary
1222320103030
5
Quinary
24133032433
6
Senary
2440304204
8
Octal
152702314
10
Decimal
28017868
12
Duodecimal
9472064
16
Hexadecimal
1ab84cc
20
Vigesimal
8f24d8
36
Base36
goiq4
md5
e76991f833ea7d83aa82749b996d574c
sha1
57ca45560e1bd814f56d3608eeea8cc3e397799d
sha256
d67284b1ff49093f4b73f96db01f262f4d66ef94f8e0a692db78102b83c18368
sha512
3c6d30a7cc27f13afd76ec38d3c05c87727399d18123423845c17d4c7e4f78670e20d0926d17d57afcf24e67556d726887661d5246942ff87e29f3793b807531
ripemd-160
f2ba51eb22fb60c49f32f73e0b703004894c4343
Diameter
56035736
Circumference
176041456.5561
Area
2.4661531461582E+15
Volume
9.2128471089128E+22
Surface area
9.8646125846329E+15
Circumference
176041456.5561
Perimeter
112071472
Area
785000927265424
Diagonal
39623248.914379
Surface area
4710005563592544
Volume
2.199405236E+22
Space diagonal
48528370.895758
Perimeter
84053604
Area
3.399153725031E+14
Altitude
24264185.447879
Surface area
3.399153725031E+14
Volume
2.5920239282547E+21
Height
13207749.638126