28805989 is an odd 8-digits prime number following 28805988
and preceding 28805990 . In scientific notation, it is written as 2.8805989 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 28805988 positive integers (up to 28805989) that are relatively prime to 28805989.
28805989 has 2 divisors, whose sum is 28805990
The reverse of 28805989 is 98950882
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million eight hundred five thousand nine hundred eighty-nine
Scientific notation
2.8805989 × 10^7
Engineering notation
2.8805989 × 10^6
Prime Factorization
28805989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28805989
Product of the distinct prime numbers
The prime factorization of 28805989 is 28805989.
Since it has a total of 1 prime factors.
4 , 4 , 76 , 88 , 212 , 153 , 1537 , 1538 , 27640 , 59184 , 519245 , 568271 , 3049338 , 6603656 , 94684052 , 46271475 , 988417958 , 268237568 , 817505141 , 3751779782
n×2
57611978
n×3
86417967
n×4
115223956
n×5
144029945
n÷2
14402994.5
n÷3
9601996.3333333
n÷3
7201497.25
n÷5
5761197.8
n2
829785002268121
n3
2.39027776477E+22
n4
6.8854314998911E+29
n5
1.9834166404612E+37
2 √n
5367.1211091236
3 √n
306.54501883289
4 √n
73.260638197627
5 √n
31.038202204718
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28805990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14402995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5367.1212022834
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.99999993057
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28805989 can be divided by 2 positive divisors.
The sum of these divisors (counting 28805989) is 28805990, the average is 14402995.
Base
System
Value
2
Binary
1101101111000101101100101
3
Ternary
2000012111101111
4
Quaternary
1231320231211
5
Quinary
24333242424
6
Senary
2505225021
8
Octal
155705545
10
Decimal
28805989
12
Duodecimal
9792171
16
Hexadecimal
1b78b65
20
Vigesimal
900ej9
36
Base36
h5eud
md5
47877db579e09ca656115f14fe88aa79
sha1
69709c2e0e5e794020ae694082de99ce280d3a72
sha256
d14e50f225046ac8ef174f1bc82e2c4cb5b2241fa10a5eb412cdc1c1faff38d3
sha512
5e003719912c2ebe275e672f0f55c5e4de322ec56f287828b75238a6c33956b536ac77fb704568dad8aee856a299ca977eca5847e7ea40268ef094e4e725477f
ripemd-160
88d1ff3b1240088a740f1c38b6b1a26bdbcfce14
Diameter
57611978
Circumference
180993366.84358
Area
2.6068464671845E+15
Volume
1.0012372087787E+23
Surface area
1.0427385868738E+16
Circumference
180993366.84358
Perimeter
115223956
Area
829785002268121
Diagonal
40737820.32137
Surface area
4978710013608726
Volume
2.39027776477E+22
Space diagonal
49893436.51027
Perimeter
86417967
Area
3.5930744582176E+14
Altitude
24946718.255135
Surface area
3.5930744582176E+14
Volume
2.8169693606472E+21
Height
13579273.440457