28390047 is an odd 8-digits composite number following 28390046
and preceding 28390048 . In scientific notation, it is written as 2.8390047 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 15368832 positive integers (up to 28390047) that are relatively prime to 28390047.
28390047 has 8 divisors, whose sum is 31307760
The reverse of 28390047 is 74009382
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million three hundred ninety thousand forty-seven
Scientific notation
2.8390047 × 10^7
Engineering notation
2.8390047 × 10^6
Prime Factorization
21 × 19 × 71153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28390047
Product of the distinct prime numbers
The prime factorization of 28390047 is 21 × 19 × 71153.
Since it has a total of 3 prime factors.
3 , 5 , 57 , 72 , 2 , 755 , 3958 , 5873 , 98030 , 16068 , 108030 , 662214 , 905152 , 2251642 , 44061652 , 50764723 , 32545500 , 286365434 , 4930271793 , 4759946956
n×2
56780094
n×3
85170141
n×4
113560188
n×5
141950235
n÷2
14195023.5
n÷3
9463349
n÷3
7097511.75
n÷5
5678009.4
n2
805994768662209
n3
2.2882229364074E+22
n4
6.4962756711085E+29
n5
1.8442957162773E+37
2 √n
5328.231132374
3 √n
305.06241488942
4 √n
72.994733593418
5 √n
30.948045187358
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
-28390046
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 28390047 can be divided by 8 positive divisors.
The sum of these divisors (counting 28390047) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010011001010011111
3
Ternary
1222102100211020
4
Quaternary
1230103022133
5
Quinary
24231440142
6
Senary
2452255223
8
Octal
154231237
10
Decimal
28390047
12
Duodecimal
9611513
16
Hexadecimal
1b1329f
20
Vigesimal
8h8f27
36
Base36
gwhwf
md5
adad866356d6f85bddc8b46ed9b9360f
sha1
696cbc16c4ac2fc31376ff9ecdd2bb9725970357
sha256
f851a95703d2838e8b8637a7ff2bd659aece6270cdd70e93821a9e3c89f00eb9
sha512
16a1006cbc16b0b140bf8178c3b4fdf8e960bc0c34a2a92c3d45a14e57fc266a10a9e09ad342be501a511cd14395493011a2996b54b50390f0e51eab4a9c442f
ripemd-160
8c1e2ae47ba020b96514c19051c7550ccd708356
Diameter
56780094
Circumference
178379926.18054
Area
2.532107244061E+15
Volume
9.584885822391E+22
Surface area
1.0128428976244E+16
Circumference
178379926.18054
Perimeter
113560188
Area
805994768662209
Diagonal
40149589.50381
Surface area
4835968611973254
Volume
2.2882229364074E+22
Space diagonal
49173003.833268
Perimeter
85170141
Area
3.4900597248942E+14
Altitude
24586501.916634
Surface area
3.4900597248942E+14
Volume
2.6966965920005E+21
Height
13383196.50127