28378434 is an even 8-digits composite number following 28378433
and preceding 28378435 . In scientific notation, it is written as 2.8378434 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8088192 positive integers (up to 28378434) that are relatively prime to 28378434.
28378434 has 16 divisors, whose sum is 44704440
The reverse of 28378434 is 43487382
Previous prime number is 953
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million three hundred seventy-eight thousand four hundred thirty-four
Scientific notation
2.8378434 × 10^7
Engineering notation
2.8378434 × 10^6
Prime Factorization
2 × 21 × 953 × 709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28378434
Product of the distinct prime numbers
The prime factorization of 28378434 is 2 × 21 × 953 × 709.
Since it has a total of 4 prime factors.
3 , 2 , 21 , 67 , 799 , 758 , 5518 , 922 , 13445 , 38137 , 641436 , 26972 , 9317931 , 7978826 , 16764625 , 50168096 , 390862712 , 454271659 , 2949877777 , 8121310344
n×2
56756868
n×3
85135302
n×4
113513736
n×5
141892170
n÷2
14189217
n÷3
9459478
n÷3
7094608.5
n÷5
5675686.8
n2
805335516292356
n3
2.2854160796959E+22
n4
6.4856529380188E+29
n5
1.8405267384847E+37
2 √n
5327.1412596251
3 √n
305.02081377265
4 √n
72.987267791205
5 √n
30.945512902234
1 , 2 , 21 , 42 , 709 , 953 , 1418 , 1906 , 14889 , 20013 , 29778 , 40026 , 675677 , 1351354 , 14189217 , 28378434
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28378433
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28378434 can be divided by 16 positive divisors.
The sum of these divisors (counting 28378434) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010000010101000010
3
Ternary
1222101202220010
4
Quaternary
1230100111002
5
Quinary
24231102214
6
Senary
2452125350
8
Octal
154202502
10
Decimal
28378434
12
Duodecimal
9606856
16
Hexadecimal
1b10542
20
Vigesimal
8h761e
36
Base36
gw8xu
md5
0fc683f5a46afbc1d973e5568880aa7e
sha1
702101d0598e8be7a08ae26d62bcce909cff4d44
sha256
6d975a5c4f3a7f39ef96ab04140675c207ff5c876a1848fa79e13a9760093e79
sha512
dedb73164aeebb7d32b7e47d6a1356ee3f450f07095639f861824b4d2ea91b03170506979fcf59c012152ffa73db7f7f0b7846e9f66288ba1e0a93fe98410832
ripemd-160
c7719931426d45374bbc9fb78d55b5ff993a67a6
Diameter
56756868
Circumference
178306959.54957
Area
2.530036141659E+15
Volume
9.5731284884913E+22
Surface area
1.0120144566636E+16
Circumference
178306959.54957
Perimeter
113513736
Area
805335516292356
Diagonal
40133166.24171
Surface area
4832013097754136
Volume
2.2854160796959E+22
Space diagonal
49152889.52724
Perimeter
85135302
Area
3.4872050783952E+14
Altitude
24576444.76362
Surface area
3.4872050783952E+14
Volume
2.6933886796429E+21
Height
13377722.08057