28395969 is an odd 8-digits composite number following 28395968
and preceding 28395970 . In scientific notation, it is written as 2.8395969 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 15387840 positive integers (up to 28395969) that are relatively prime to 28395969.
28395969 has 32 divisors, whose sum is 45563904
The reverse of 28395969 is 96959382
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million three hundred ninety-five thousand nine hundred sixty-nine
Scientific notation
2.8395969 × 10^7
Engineering notation
2.8395969 × 10^6
Prime Factorization
3 × 7 × 31 × 53 × 823
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28395969
Product of the distinct prime numbers
The prime factorization of 28395969 is 3 × 7 × 31 × 53 × 823.
Since it has a total of 5 prime factors.
7 , 1 , 20 , 86 , 75 , 482 , 3549 , 1985 , 17433 , 15476 , 890705 , 814687 , 8395102 , 2188642 , 76101310 , 71786800 , 462120043 , 467699384 , 4557940245 , 6604165873
n×2
56791938
n×3
85187907
n×4
113583876
n×5
141979845
n÷2
14197984.5
n÷3
9465323
n÷3
7098992.25
n÷5
5679193.8
n2
806331055448961
n3
2.2896551654266E+22
n4
6.5016977098144E+29
n5
1.8462200661526E+37
2 √n
5328.7868225329
3 √n
305.0836248346
4 √n
72.998539865759
5 √n
30.949336196376
1 , 3 , 7 , 21 , 31 , 53 , 93 , 159 , 217 , 371 , 651 , 823 , 1113 , 1643 , 2469 , 4929 , 5761 , 11501 , 17283 , 25513 , 34503 , 43619 , 76539 , 130857 , 178591 , 305333 , 535773 , 915999 , 1352189 , 4056567 , 9465323 , 28395969
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
-28395968
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 28395969 can be divided by 32 positive divisors.
The sum of these divisors (counting 28395969) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100010100100111000001
3
Ternary
1222102122221120
4
Quaternary
1230110213001
5
Quinary
24232132334
6
Senary
2452342453
8
Octal
154244701
10
Decimal
28395969
12
Duodecimal
9614a29
16
Hexadecimal
1b149c1
20
Vigesimal
8h99i9
36
Base36
gwmgx
md5
31c30be0df444e6a8b153b561138f94a
sha1
01417f2cbb4bef0d88934a1f2da5c05db873de0d
sha256
36487bbb266ca1672a4e30cb989d6d016ffcfe50eeb8d61b017d2994dbcc26b1
sha512
d296cd74da32b95f7e821a16419fd3f6707dcff8c20e78a899534af88b08bc65d166080343bd7c4a32d4e8981a8949b4ca6e5a76a0ac96bd9efd66ee5b95295b
ripemd-160
ab4847fc4d03cdeeb2848c96302a270f5242bb51
Diameter
56791938
Circumference
178417135.20393
Area
2.5331637201598E+15
Volume
9.5908851292775E+22
Surface area
1.0132654880639E+16
Circumference
178417135.20393
Perimeter
113583876
Area
806331055448961
Diagonal
40157964.476526
Surface area
4837986332693766
Volume
2.2896551654266E+22
Space diagonal
49183261.038151
Perimeter
85187907
Area
3.4915158893956E+14
Altitude
24591630.519075
Surface area
3.4915158893956E+14
Volume
2.6983844900866E+21
Height
13385988.158842