28157079 is an odd 8-digits composite number following 28157078
and preceding 28157080 . In scientific notation, it is written as 2.8157079 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 18771384 positive integers (up to 28157079) that are relatively prime to 28157079.
28157079 has 4 divisors, whose sum is 37542776
The reverse of 28157079 is 97075182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred fifty-seven thousand seventy-nine
Scientific notation
2.8157079 × 10^7
Engineering notation
2.8157079 × 10^6
Prime Factorization
3 × 9385693
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28157079
Product of the distinct prime numbers
The prime factorization of 28157079 is 3 × 9385693.
Since it has a total of 2 prime factors.
10 , 6 , 13 , 36 , 418 , 19 , 9707 , 7446 , 72289 , 92726 , 809186 , 86209 , 6142083 , 4970500 , 25042611 , 63244753 , 803537395 , 904140356 , 5883888703 , 2310230807
n×2
56314158
n×3
84471237
n×4
112628316
n×5
140785395
n÷2
14078539.5
n÷3
9385693
n÷3
7039269.75
n÷5
5631415.8
n2
792821097812241
n3
2.2323526283966E+22
n4
6.2856529313621E+29
n5
1.7698562615494E+37
2 √n
5306.3244341069
3 √n
304.22567715613
4 √n
72.844522334263
5 √n
30.897085869815
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28157078
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28157079 can be divided by 4 positive divisors.
The sum of these divisors (counting 28157079) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011010010010010111
3
Ternary
1221222112020210
4
Quaternary
1223122102113
5
Quinary
24202011304
6
Senary
2443300503
8
Octal
153322227
10
Decimal
28157079
12
Duodecimal
951a733
16
Hexadecimal
1ada497
20
Vigesimal
8fjcdj
36
Base36
gri53
md5
f7ae5f958c7a540259d8cfa7e0d3a1e8
sha1
f85866b5737558f017442bf8786b9e1e20d11da4
sha256
834888664851f135121e62e155c7974e98937bb0628ca5e65552060c87cd7366
sha512
7f54ebfdbb62449efc52e74044051bfa70033a53d1bc9bc25b41c285722f9f01c5b226cb63d10742c01a26ba756dacd19194849262dac713c19192a956dbffd7
ripemd-160
2d81371dafefbd0c7d51a3407dd658ec35e42fa4
Diameter
56314158
Circumference
176916145.06589
Area
2.4907209364979E+15
Volume
9.3508568234568E+22
Surface area
9.9628837459917E+15
Circumference
176916145.06589
Perimeter
112628316
Area
792821097812241
Diagonal
39820122.998611
Surface area
4756926586873446
Volume
2.2323526283966E+22
Space diagonal
48769491.420731
Perimeter
84471237
Area
3.4330160568083E+14
Altitude
24384745.710365
Surface area
3.4330160568083E+14
Volume
2.6308528025647E+21
Height
13273374.33287