28493397 is an odd 8-digits composite number following 28493396
and preceding 28493398 . In scientific notation, it is written as 2.8493397 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 18854496 positive integers (up to 28493397) that are relatively prime to 28493397.
28493397 has 8 divisors, whose sum is 29768256
The reverse of 28493397 is 79339482
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million four hundred ninety-three thousand three hundred ninety-seven
Scientific notation
2.8493397 × 10^7
Engineering notation
2.8493397 × 10^6
Prime Factorization
27 × 137 × 7703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28493397
Product of the distinct prime numbers
The prime factorization of 28493397 is 27 × 137 × 7703.
Since it has a total of 3 prime factors.
6 , 1 , 15 , 67 , 659 , 768 , 2124 , 5967 , 38728 , 24116 , 430045 , 924883 , 5586913 , 9250900 , 28447323 , 86012076 , 418321236 , 990396490 , 1216965640 , 418235718
n×2
56986794
n×3
85480191
n×4
113973588
n×5
142466985
n÷2
14246698.5
n÷3
9497799
n÷3
7123349.25
n÷5
5698679.4
n2
811873672599609
n3
2.3133038867229E+22
n4
6.5913886026038E+29
n5
1.8781105223526E+37
2 √n
5337.9206625801
3 √n
305.43214563535
4 √n
73.061074879721
5 √n
30.970544855418
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
-28493396
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 28493397 can be divided by 8 positive divisors.
The sum of these divisors (counting 28493397) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101100011001010101
3
Ternary
1222121121121000
4
Quaternary
1230230121111
5
Quinary
24243242042
6
Senary
2454413513
8
Octal
154543125
10
Decimal
28493397
12
Duodecimal
9661299
16
Hexadecimal
1b2c655
20
Vigesimal
8i1d9h
36
Base36
gypn9
md5
bc3bac402a2d5c721a45149da93b25fa
sha1
8de5e093a45d13819d90ee5394e7a2c307d5cc44
sha256
13329c884c453597c323aa624d4dfce2f84638b1403888b98f2aaf7a5e554565
sha512
b7472b19c7f902e43c6d103a38bd1eea4ffa0245ab3814bc97244f485273fe8301ff9c96b9571370a63cd6c97f09ede06a55e74397f1baad434860fd09335e3e
ripemd-160
9bb15196be62222ddff462f214f4378fa9e50e93
Diameter
56986794
Circumference
179029293.38203
Area
2.5505763654819E+15
Volume
9.689944661399E+22
Surface area
1.0202305461928E+16
Circumference
179029293.38203
Perimeter
113973588
Area
811873672599609
Diagonal
40295748.475481
Surface area
4871242035597654
Volume
2.3133038867229E+22
Space diagonal
49352011.284231
Perimeter
85480191
Area
3.5155161256752E+14
Altitude
24676005.642115
Surface area
3.5155161256752E+14
Volume
2.7262547754116E+21
Height
13431916.158494