28385671 is an odd 8-digits composite number following 28385670
and preceding 28385672 . In scientific notation, it is written as 2.8385671 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 28125144 positive integers (up to 28385671) that are relatively prime to 28385671.
28385671 has 4 divisors, whose sum is 28646200
The reverse of 28385671 is 17658382
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million three hundred eighty-five thousand six hundred seventy-one
Scientific notation
2.8385671 × 10^7
Engineering notation
2.8385671 × 10^6
Prime Factorization
109 × 260419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28385671
Product of the distinct prime numbers
The prime factorization of 28385671 is 109 × 260419.
Since it has a total of 2 prime factors.
4 , 8 , 96 , 70 , 438 , 810 , 6712 , 7473 , 60251 , 35105 , 896690 , 822705 , 2890922 , 3047935 , 93274661 , 1300440 , 816809281 , 342816158 , 5465087034 , 4292312368
n×2
56771342
n×3
85157013
n×4
113542684
n×5
141928355
n÷2
14192835.5
n÷3
9461890.3333333
n÷3
7096417.75
n÷5
5677134.2
n2
805746318120241
n3
2.2871649895623E+22
n4
6.4922712916432E+29
n5
1.8428747692733E+37
2 √n
5327.8204737022
3 √n
305.04674012704
4 √n
72.991920605654
5 √n
30.947091071316
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
-28385670
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 28385671 can be divided by 4 positive divisors.
The sum of these divisors (counting 28385671) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010010000110000111
3
Ternary
1222102010211011
4
Quaternary
1230102012013
5
Quinary
24231320141
6
Senary
2452223051
8
Octal
154220607
10
Decimal
28385671
12
Duodecimal
960aa87
16
Hexadecimal
1b12187
20
Vigesimal
8h843b
36
Base36
gweiv
md5
9106210cbfed86b969db3ca4e26fe295
sha1
1f430e5a6c3f1c039894eed013af1f0113f50915
sha256
abbf944c07eec7bc9c0f34b40135b4d1b13f3c333062f1690abda84e4922fbcb
sha512
ac7756981bdbfe3186aeecc1f891553ab76b37b13becf3b404190c3ee90e4f5491ec10e90807342bf47dccb3562fd2520c5c9e0d582e7bbbbb5df0700b649748
ripemd-160
eb21115628fef56d58113c168ff3cd3b691318c4
Diameter
56771342
Circumference
178352430.96163
Area
2.5313267136636E+15
Volume
9.5804543050087E+22
Surface area
1.0125306854654E+16
Circumference
178352430.96163
Perimeter
113542684
Area
805746318120241
Diagonal
40143400.905261
Surface area
4834477908721446
Volume
2.2871649895623E+22
Space diagonal
49165424.378934
Perimeter
85157013
Area
3.4889839024895E+14
Altitude
24582712.189467
Surface area
3.4889839024895E+14
Volume
2.6954497896865E+21
Height
13381133.635087