28492789 is an odd 8-digits composite number following 28492788
and preceding 28492790 . In scientific notation, it is written as 2.8492789 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 25688880 positive integers (up to 28492789) that are relatively prime to 28492789.
28492789 has 8 divisors, whose sum is 31398752
The reverse of 28492789 is 98729482
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million four hundred ninety-two thousand seven hundred eighty-nine
Scientific notation
2.8492789 × 10^7
Engineering notation
2.8492789 × 10^6
Prime Factorization
43 × 13 × 50971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28492789
Product of the distinct prime numbers
The prime factorization of 28492789 is 43 × 13 × 50971.
Since it has a total of 3 prime factors.
8 , 2 , 48 , 60 , 507 , 326 , 9380 , 7857 , 38849 , 71227 , 866979 , 841213 , 4595730 , 1248071 , 31439083 , 84660393 , 432339327 , 397125113 , 1686342622 , 3647790973
n×2
56985578
n×3
85478367
n×4
113971156
n×5
142463945
n÷2
14246394.5
n÷3
9497596.3333333
n÷3
7123197.25
n÷5
5698557.8
n2
811839024998521
n3
2.3131558041249E+22
n4
6.5908260251055E+29
n5
1.8779101526904E+37
2 √n
5337.8637112613
3 √n
305.42997315464
4 √n
73.060685127237
5 √n
30.970412682677
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28492788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28492789 can be divided by 8 positive divisors.
The sum of these divisors (counting 28492789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101100001111110101
3
Ternary
1222121120202111
4
Quaternary
1230230033311
5
Quinary
24243232124
6
Senary
2454411021
8
Octal
154541765
10
Decimal
28492789
12
Duodecimal
9660a71
16
Hexadecimal
1b2c3f5
20
Vigesimal
8i1bj9
36
Base36
gyp6d
md5
dd580bb9ae9fa575002ecb4f1370bd5e
sha1
06f24789ede070fbc8f512f09fc95b807fa3cf8a
sha256
3611b52f9a1c80536a71a966440691e044a320f98ef155f03f8eb6800ef39d0b
sha512
fd92c4a81fc887289747160c2750af623d9ef96f8ee47468d10ab20aff9bcd30a1165394fcac371eb92e8e9fc27ff46a67a23bc758d0a0234748ed7bbe56038e
ripemd-160
12891abd3d2645d333fd4039b2124c8c55931a9d
Diameter
56985578
Circumference
179025473.20537
Area
2.5504675168329E+15
Volume
9.689324374463E+22
Surface area
1.0201870067331E+16
Circumference
179025473.20537
Perimeter
113971156
Area
811839024998521
Diagonal
40294888.633635
Surface area
4871034149991126
Volume
2.3131558041249E+22
Space diagonal
49350958.19734
Perimeter
85478367
Area
3.5153660971615E+14
Altitude
24675479.09867
Surface area
3.5153660971615E+14
Volume
2.7260802583962E+21
Height
13431629.544545