28157069 is an odd 8-digits composite number following 28157068
and preceding 28157070 . In scientific notation, it is written as 2.8157069 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 26675100 positive integers (up to 28157069) that are relatively prime to 28157069.
28157069 has 4 divisors, whose sum is 29639040
The reverse of 28157069 is 96075182
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred fifty-seven thousand sixty-nine
Scientific notation
2.8157069 × 10^7
Engineering notation
2.8157069 × 10^6
Prime Factorization
19 × 1481951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28157069
Product of the distinct prime numbers
The prime factorization of 28157069 is 19 × 1481951.
Since it has a total of 2 prime factors.
5 , 1 , 87 , 55 , 830 , 461 , 2744 , 3629 , 26080 , 46379 , 635225 , 452684 , 9139338 , 7279840 , 65219048 , 67209408 , 208877381 , 984610636 , 9160684730 , 4362690355
n×2
56314138
n×3
84471207
n×4
112628276
n×5
140785345
n÷2
14078534.5
n÷3
9385689.6666667
n÷3
7039267.25
n÷5
5631413.8
n2
792820534670761
n3
2.2323502499342E+22
n4
6.2856440019563E+29
n5
1.7698531187252E+37
2 √n
5306.323491835
3 √n
304.22564114083
4 √n
72.84451586657
5 √n
30.897083675192
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
-28157068
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 28157069 can be divided by 4 positive divisors.
The sum of these divisors (counting 28157069) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011010010010001101
3
Ternary
1221222112020102
4
Quaternary
1223122102031
5
Quinary
24202011234
6
Senary
2443300445
8
Octal
153322215
10
Decimal
28157069
12
Duodecimal
951a725
16
Hexadecimal
1ada48d
20
Vigesimal
8fjcd9
36
Base36
gri4t
md5
6141afb71affc7aa036df928a8c71f57
sha1
415553035befeee9d8391ebfc07d570771c396c0
sha256
c1a1382ca78449c1cfff2107eca8793b689cffe2e02f9d1720743fb03661cbd5
sha512
7099881238f1dd9084dbda2b80644273e4d33176b9a4797cd9fb3b68cde6f943d210144465ee8f504cff2bc92683fdbbd8af9eae0c83d014e486dce7982a8159
ripemd-160
845b35aabd26d938c055931a1406726ab67ef63c
Diameter
56314138
Circumference
176916082.23404
Area
2.4907191673368E+15
Volume
9.3508468605766E+22
Surface area
9.9628766693472E+15
Circumference
176916082.23404
Perimeter
112628276
Area
792820534670761
Diagonal
39820108.856475
Surface area
4756923208024566
Volume
2.2323502499342E+22
Space diagonal
48769474.100223
Perimeter
84471207
Area
3.4330136183342E+14
Altitude
24384737.050111
Surface area
3.4330136183342E+14
Volume
2.6308499995199E+21
Height
13273369.618825