28279969 is an odd 8-digits composite number following 28279968
and preceding 28279970 . In scientific notation, it is written as 2.8279969 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 28256580 positive integers (up to 28279969) that are relatively prime to 28279969.
28279969 has 4 divisors, whose sum is 28303360
The reverse of 28279969 is 96997282
Previous prime number is 1279
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million two hundred seventy-nine thousand nine hundred sixty-nine
Scientific notation
2.8279969 × 10^7
Engineering notation
2.8279969 × 10^6
Prime Factorization
1279 × 22111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28279969
Product of the distinct prime numbers
The prime factorization of 28279969 is 1279 × 22111.
Since it has a total of 2 prime factors.
7 , 7 , 79 , 50 , 588 , 170 , 2016 , 4608 , 75940 , 53481 , 341730 , 332036 , 517012 , 5432835 , 53416222 , 4245997 , 884508936 , 133811768 , 1070861466 , 9854095262
n×2
56559938
n×3
84839907
n×4
113119876
n×5
141399845
n÷2
14139984.5
n÷3
9426656.3333333
n÷3
7069992.25
n÷5
5655993.8
n2
799756646640961
n3
2.261709317455E+22
n4
6.3961069384639E+29
n5
1.8088170594045E+37
2 √n
5317.8914054351
3 √n
304.66762682039
4 √n
72.923874042971
5 √n
30.924008631012
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
-28279968
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 28279969 can be divided by 4 positive divisors.
The sum of these divisors (counting 28279969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111000010010100001
3
Ternary
1222012202211021
4
Quaternary
1223320102201
5
Quinary
24214424334
6
Senary
2450045441
8
Octal
153702241
10
Decimal
28279969
12
Duodecimal
9579881
16
Hexadecimal
1af84a1
20
Vigesimal
8geji9
36
Base36
gu4yp
md5
83363430ea882a28dd3b53d6cee83bb6
sha1
0c8d44f2d59adb259cd13332cb98b9739b8068e5
sha256
617ef0af7de49bd97774d38dd851642758413a481366f1f70b997c3a4a1e79be
sha512
abf3c4c7c9899fa8d8a6307b2582a2a56b206c0048610486c355292248d27616048edafca769b005934186115f7ca317b66b568dd2005949e4ffd3e9e331c958
ripemd-160
c5c70671108152cea0e28eff2d35ca7c23c8df2f
Diameter
56559938
Circumference
177688285.70829
Area
2.5125096057469E+15
Volume
9.4738258350298E+22
Surface area
1.0050038422987E+16
Circumference
177688285.70829
Perimeter
113119876
Area
799756646640961
Diagonal
39993915.703291
Surface area
4798539879845766
Volume
2.261709317455E+22
Space diagonal
48982343.144473
Perimeter
84839907
Area
3.4630478641826E+14
Altitude
24491171.572236
Surface area
3.4630478641826E+14
Volume
2.6654499924088E+21
Height
13331305.23443