28590981 is an odd 8-digits composite number following 28590980
and preceding 28590982 . In scientific notation, it is written as 2.8590981 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 18483200 positive integers (up to 28590981) that are relatively prime to 28590981.
28590981 has 16 divisors, whose sum is 39287808
The reverse of 28590981 is 18909582
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million five hundred ninety thousand nine hundred eighty-one
Scientific notation
2.8590981 × 10^7
Engineering notation
2.8590981 × 10^6
Prime Factorization
3 × 191 × 41 × 1217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28590981
Product of the distinct prime numbers
The prime factorization of 28590981 is 3 × 191 × 41 × 1217.
Since it has a total of 4 prime factors.
2 , 10 , 26 , 70 , 389 , 737 , 4600 , 70 , 45047 , 93735 , 356473 , 942236 , 8016080 , 3462736 , 90909791 , 43191064 , 681036568 , 553683777 , 2700119564 , 5840585779
n×2
57181962
n×3
85772943
n×4
114363924
n×5
142954905
n÷2
14295490.5
n÷3
9530327
n÷3
7147745.25
n÷5
5718196.2
n2
817444194542361
n3
2.3371531434721E+22
n4
6.6821501119101E+29
n5
1.9104922688877E+37
2 √n
5347.0534876696
3 √n
305.78042901058
4 √n
73.123549473953
5 √n
30.991729398149
1 , 3 , 41 , 123 , 191 , 573 , 1217 , 3651 , 7831 , 23493 , 49897 , 149691 , 232447 , 697341 , 9530327 , 28590981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28590980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28590981 can be divided by 16 positive divisors.
The sum of these divisors (counting 28590981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101000100001110000101
3
Ternary
1222210120110020
4
Quaternary
1231010032011
5
Quinary
24304402411
6
Senary
2500445353
8
Octal
155041605
10
Decimal
28590981
12
Duodecimal
96a9859
16
Hexadecimal
1b44385
20
Vigesimal
8idh91
36
Base36
h0sxx
md5
33385d2274a8de0deb68724e759771af
sha1
dbcc692ac1bc473c3e3d238a57f3d1de5a63ce03
sha256
13757a0fc7ff40ec36825f6b5ba9bf11e36b34c437ef48a5bfedb820264d2c64
sha512
d64edd5da506bb064a9e1bc924aba89afbdc6f6349f2b800c2e37b3af4336a31b2490ee9ddfbdf223f1ed1667f1a96324fd56205dd9d8391f8534bc0df894268
ripemd-160
e65945a11a872d7d55af1d8fc80bb21170b9ab3c
Diameter
57181962
Circumference
179642431.73705
Area
2.5680766762939E+15
Volume
9.7898441944616E+22
Surface area
1.0272306705176E+16
Circumference
179642431.73705
Perimeter
114363924
Area
817444194542361
Diagonal
40433753.091751
Surface area
4904665167254166
Volume
2.3371531434721E+22
Space diagonal
49521031.730236
Perimeter
85772943
Area
3.539637193249E+14
Altitude
24760515.865118
Surface area
3.539637193249E+14
Volume
2.7543613940343E+21
Height
13477917.69725