28883989 is an odd 8-digits composite number following 28883988
and preceding 28883990 . In scientific notation, it is written as 2.8883989 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 28812960 positive integers (up to 28883989) that are relatively prime to 28883989.
28883989 has 4 divisors, whose sum is 28955020
The reverse of 28883989 is 98938882
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million eight hundred eighty-three thousand nine hundred eighty-nine
Scientific notation
2.8883989 × 10^7
Engineering notation
2.8883989 × 10^6
Prime Factorization
409 × 70621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28883989
Product of the distinct prime numbers
The prime factorization of 28883989 is 409 × 70621.
Since it has a total of 2 prime factors.
1 , 3 , 23 , 7 , 960 , 152 , 1139 , 8034 , 15320 , 25854 , 279193 , 775059 , 1484464 , 344618 , 76936980 , 24520209 , 946664946 , 14826628 , 4763800338 , 516391619
n×2
57767978
n×3
86651967
n×4
115535956
n×5
144419945
n÷2
14441994.5
n÷3
9627996.3333333
n÷3
7220997.25
n÷5
5776797.8
n2
834284820552121
n3
2.4097473579694E+22
n4
6.9603116180368E+29
n5
2.0104156421195E+37
2 √n
5374.3826622227
3 √n
306.82145396918
4 √n
73.310181163483
5 √n
31.054992892524
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
-28883988
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 28883989 can be divided by 4 positive divisors.
The sum of these divisors (counting 28883989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110001011110000010101
3
Ternary
2000100110101101
4
Quaternary
1232023300111
5
Quinary
24343241424
6
Senary
2511030101
8
Octal
156136025
10
Decimal
28883989
12
Duodecimal
980b331
16
Hexadecimal
1b8bc15
20
Vigesimal
90a9j9
36
Base36
h7311
md5
73b7ee50ef2f0bec30964c94f84ae822
sha1
7704c2574ea5ee774b79373cd2dfb1284bbbd083
sha256
3a3430bfef790b9fe8b1f7271de5d59b56b7dde60e9a4f07d6157224ef268f09
sha512
ee2a1edfc75016e133fb3793e2c72b598a01d89f63572afd59798a0fb3a257934ac9a0a5730c57c57dcfb028be8b1ea4cd2994f6ce8ccce973561858921eeb2a
ripemd-160
d14a5f171f6483ad2c4025e6366a113180b3346f
Diameter
57767978
Circumference
181483455.29754
Area
2.620983063248E+15
Volume
1.0093926129072E+23
Surface area
1.0483932252992E+16
Circumference
181483455.29754
Perimeter
115535956
Area
834284820552121
Diagonal
40848128.979235
Surface area
5005708923312726
Volume
2.4097473579694E+22
Space diagonal
50028536.473261
Perimeter
86651967
Area
3.6125592429494E+14
Altitude
25014268.23663
Surface area
3.6125592429494E+14
Volume
2.8399144962776E+21
Height
13616042.993078