28497739 is an odd 8-digits composite number following 28497738
and preceding 28497740 . In scientific notation, it is written as 2.8497739 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 26997840 positive integers (up to 28497739) that are relatively prime to 28497739.
28497739 has 4 divisors, whose sum is 29997640
The reverse of 28497739 is 93779482
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million four hundred ninety-seven thousand seven hundred thirty-nine
Scientific notation
2.8497739 × 10^7
Engineering notation
2.8497739 × 10^6
Prime Factorization
19 × 1499881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28497739
Product of the distinct prime numbers
The prime factorization of 28497739 is 19 × 1499881.
Since it has a total of 2 prime factors.
8 , 5 , 77 , 8 , 386 , 75 , 9521 , 7370 , 6393 , 38461 , 690345 , 108412 , 7586495 , 2038906 , 80518984 , 54547787 , 815678902 , 627037487 , 1014771858 , 6018210688
n×2
56995478
n×3
85493217
n×4
113990956
n×5
142488695
n÷2
14248869.5
n÷3
9499246.3333333
n÷3
7124434.75
n÷5
5699547.8
n2
812121128112121
n3
2.3143615945325E+22
n4
6.595407267261E+29
n5
1.8795419490111E+37
2 √n
5338.3273597635
3 √n
305.44765939359
4 √n
73.063858095255
5 √n
30.97148869451
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
-28497738
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 28497739 can be divided by 4 positive divisors.
The sum of these divisors (counting 28497739) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101101011101001011
3
Ternary
1222121211112211
4
Quaternary
1230231131023
5
Quinary
24243411424
6
Senary
2454445551
8
Octal
154553513
10
Decimal
28497739
12
Duodecimal
96638b7
16
Hexadecimal
1b2d74b
20
Vigesimal
8i246j
36
Base36
gyszv
md5
d53f3c38fa08003c264ef0d49ce02745
sha1
8a70df52b8fa2e0593585727934bcec3f6b56c2f
sha256
9c7ace1cb689ffda25333bc895a8fa01795ae9fd76e0c291d8f5c1df2b6c68a0
sha512
ef5b14a251cfa662990f84fe1bad52cc8ddbf7316400004e4766568ad9d375b2f163894545f7dc1f52a4895faf34910fc87c09825f4ea10f1aeccff2dc53aea0
ripemd-160
81d9bbc201403f2dd544c52d232409f1b3322b6f
Diameter
56995478
Circumference
179056574.97264
Area
2.5513537699021E+15
Volume
9.6943751775115E+22
Surface area
1.0205415079608E+16
Circumference
179056574.97264
Perimeter
113990956
Area
812121128112121
Diagonal
40301888.990769
Surface area
4872726768672726
Volume
2.3143615945325E+22
Space diagonal
49359531.848837
Perimeter
85493217
Area
3.5165876394759E+14
Altitude
24679765.924419
Surface area
3.5165876394759E+14
Volume
2.7275012960194E+21
Height
13433962.996923