28662989 is an odd 8-digits prime number following 28662988
and preceding 28662990 . In scientific notation, it is written as 2.8662989 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 28662988 positive integers (up to 28662989) that are relatively prime to 28662989.
28662989 has 2 divisors, whose sum is 28662990
The reverse of 28662989 is 98926682
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
twenty-eight million six hundred sixty-two thousand nine hundred eighty-nine
Scientific notation
2.8662989 × 10^7
Engineering notation
2.8662989 × 10^6
Prime Factorization
28662989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28662989 Product of the distinct prime numbers
The prime factorization of 28662989 is 28662989.
Since it has a total of 1 prime factors.
9 , 8 , 66 , 78 , 728 , 89 , 2408 , 9455 , 46675 , 93371 , 157939 , 386782 , 1994714 , 2142115 , 26368352 , 56894362 , 594242594 , 938626492 , 1328591750 , 4020867643
n×2
57325978
n×3
85988967
n×4
114651956
n×5
143314945
n÷2
14331494.5
n÷3
9554329.6666667
n÷3
7165747.25
n÷5
5732597.8
n2
821566938414121
n3
2.3548564118528E+22
n4
6.7497223429515E+29
n5
1.9346721726907E+37
2 √n5353.7826814319
3 √n306.03692222537
4 √n73.169547500527
5 √n31.007324579195
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28662990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14331495 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5353.7827748238 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999302236 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28662989 can be divided by 2 positive divisors.
The sum of these divisors (counting 28662989) is 28662990, the average is 14331495.
Base
System
Value
2
Binary
1101101010101110011001101
3
Ternary
1222221020020012
4
Quaternary
1231111303031
5
Quinary
24314203424
6
Senary
2502203005
8
Octal
155256315
10
Decimal
28662989
12
Duodecimal
9723465
16
Hexadecimal
1b55ccd
20
Vigesimal
8j2h99
36
Base36
h2ci5
md5
e9982b53d4f72f78bf1c39ef7f855258
sha1
5fc8977b5a82e93c1808a4426bd0b96f75bb498d
sha256
d857c4c2d327f127c0d38afbcc01d9d9239892290996323822f3765b55a77c77
sha512
2f1fd78d9f4b68da24a140af52249f4047c92725891cf09c36e0b3151f5609c53fb393567b770ade76ad732aabc810fab1694cbc69279abc6534daeb5ddcf6c9
ripemd-160
2c869dcf3da8475f6667b1fb34c035c5e234b8d0
Diameter
57325978
Circumference
180094871.34465
Area
2.5810286581541E+15
Volume
9.8639994716473E+22
Surface area
1.0324114632616E+16
Circumference
180094871.34465
Perimeter
114651956
Area
821566938414121
Diagonal
40535587.781951
Surface area
4929401630484726
Volume
2.3548564118528E+22
Space diagonal
49645753.244788
Perimeter
85988967
Area
3.5574891978802E+14
Altitude
24822876.622394
Surface area
3.5574891978802E+14
Volume
2.7752248959029E+21
Height
13511862.593984