28156941 is an odd 8-digits composite number following 28156940
and preceding 28156942 . In scientific notation, it is written as 2.8156941 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 18123840 positive integers (up to 28156941) that are relatively prime to 28156941.
28156941 has 12 divisors, whose sum is 42073980
The reverse of 28156941 is 14965182
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million one hundred fifty-six thousand nine hundred forty-one
Scientific notation
2.8156941 × 10^7
Engineering notation
2.8156941 × 10^6
Prime Factorization
3 × 3 × 29 × 107881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9385647
Product of the distinct prime numbers
The prime factorization of 28156941 is 3 × 3 × 29 × 107881.
Since it has a total of 4 prime factors.
6 , 7 , 1 , 74 , 489 , 960 , 2292 , 6071 , 29595 , 65807 , 172305 , 167784 , 8461681 , 2302160 , 67545523 , 81192300 , 710466125 , 604404505 , 5219048178 , 689089009
n×2
56313882
n×3
84470823
n×4
112627764
n×5
140784705
n÷2
14078470.5
n÷3
9385647
n÷3
7039235.25
n÷5
5631388.2
n2
792813326477481
n3
2.232319805764E+22
n4
6.2855297064029E+29
n5
1.7698128909693E+37
2 √n
5306.3114307398
3 √n
304.22518014421
4 √n
72.844433079953
5 √n
30.897055583959
1 , 3 , 9 , 29 , 87 , 261 , 107881 , 323643 , 970929 , 3128549 , 9385647 , 28156941
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
-28156940
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 28156941 can be divided by 12 positive divisors.
The sum of these divisors (counting 28156941) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011010010000001101
3
Ternary
1221222112001200
4
Quaternary
1223122100031
5
Quinary
24202010231
6
Senary
2443300113
8
Octal
153322015
10
Decimal
28156941
12
Duodecimal
951a639
16
Hexadecimal
1ada40d
20
Vigesimal
8fjc71
36
Base36
gri19
md5
21233acee2c94217bc8f86708d4132ee
sha1
d05262e27a076c090615c20c0e9b1ff88e8b240c
sha256
28f1f0d8b7916d3989cecc5ea3658a1f5f0c74900980e0e48847e30a28867c69
sha512
f6a3d139e2fa851fa862fdeb3d3c368626d2d4cd32b93ace63dac3f194de6d2f802cae1696570fec746f91a28f9c8d6d9c0094a559d8352c5c3db0a931b3db18
ripemd-160
23ab114269c6ac8f9d35f353add3f3b01774cf35
Diameter
56313882
Circumference
176915277.98632
Area
2.4906965221297E+15
Volume
9.350719336335E+22
Surface area
9.962786088519E+15
Circumference
176915277.98632
Perimeter
112627764
Area
792813326477481
Diagonal
39819927.837139
Surface area
4756879958864886
Volume
2.232319805764E+22
Space diagonal
48769252.397719
Perimeter
84470823
Area
3.4329824059417E+14
Altitude
24384626.19886
Surface area
3.4329824059417E+14
Volume
2.6308141207213E+21
Height
13273309.279046