28404789 is an odd 8-digits composite number following 28404788
and preceding 28404790 . In scientific notation, it is written as 2.8404789 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 15619392 positive integers (up to 28404789) that are relatively prime to 28404789.
28404789 has 32 divisors, whose sum is 44943360
The reverse of 28404789 is 98740482
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million four hundred four thousand seven hundred eighty-nine
Scientific notation
2.8404789 × 10^7
Engineering notation
2.8404789 × 10^6
Prime Factorization
3 × 7 × 139 × 37 × 263
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28404789
Product of the distinct prime numbers
The prime factorization of 28404789 is 3 × 7 × 139 × 37 × 263.
Since it has a total of 5 prime factors.
3 , 10 , 33 , 93 , 436 , 835 , 7928 , 4726 , 40288 , 47587 , 146540 , 636004 , 8441871 , 8972587 , 84991218 , 95413653 , 337257609 , 691948541 , 3157405592 , 4257094376
n×2
56809578
n×3
85214367
n×4
113619156
n×5
142023945
n÷2
14202394.5
n÷3
9468263
n÷3
7101197.25
n÷5
5680957.8
n2
806832038134521
n3
2.2917893801651E+22
n4
6.5097793776031E+29
n5
1.8490890965737E+37
2 √n
5329.6143387679
3 √n
305.11520864874
4 √n
73.004207678516
5 √n
30.951258576532
1 , 3 , 7 , 21 , 37 , 111 , 139 , 259 , 263 , 417 , 777 , 789 , 973 , 1841 , 2919 , 5143 , 5523 , 9731 , 15429 , 29193 , 36001 , 36557 , 68117 , 108003 , 109671 , 204351 , 255899 , 767697 , 1352609 , 4057827 , 9468263 , 28404789
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28404788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28404789 can be divided by 32 positive divisors.
The sum of these divisors (counting 28404789) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100010110110000110101
3
Ternary
1222110010001020
4
Quaternary
1230112300311
5
Quinary
24232423124
6
Senary
2452451353
8
Octal
154266065
10
Decimal
28404789
12
Duodecimal
9619b59
16
Hexadecimal
1b16c35
20
Vigesimal
8habj9
36
Base36
gwt9x
md5
e14dd56554c3aafdee5f38b7efa9d95d
sha1
7c74f6967b7778ef1c861fa7fd756942f91ba356
sha256
e2f1726b4d52689e7390de67dd6c54292c995baca88d8d21a92ab3ba512b19b6
sha512
b0f601528838ce7a6fbf8386b5ab8f7a703d4a364035faea1ac3d45cf40b4fd8b34fc885fcde4cb6d54ad538e89125e87eb112298d564fea46f62c34b43783fb
ripemd-160
0309fe78ec2e7edff122369e7b90ceebcfb8fe80
Diameter
56809578
Circumference
178472552.89834
Area
2.5347376036843E+15
Volume
9.5998249070691E+22
Surface area
1.0138950414737E+16
Circumference
178472552.89834
Perimeter
113619156
Area
806832038134521
Diagonal
40170437.840146
Surface area
4840992228807126
Volume
2.2917893801651E+22
Space diagonal
49198537.726274
Perimeter
85214367
Area
3.4936852080584E+14
Altitude
24599268.863137
Surface area
3.4936852080584E+14
Volume
2.7008996862768E+21
Height
13390145.946715