28169739 is an odd 8-digits composite number following 28169738
and preceding 28169740 . In scientific notation, it is written as 2.8169739 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 17046720 positive integers (up to 28169739) that are relatively prime to 28169739.
28169739 has 16 divisors, whose sum is 34268640
The reverse of 28169739 is 93796182
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million one hundred sixty-nine thousand seven hundred thirty-nine
Scientific notation
2.8169739 × 10^7
Engineering notation
2.8169739 × 10^6
Prime Factorization
9 × 13 × 61 × 3947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28169739
Product of the distinct prime numbers
The prime factorization of 28169739 is 9 × 13 × 61 × 3947.
Since it has a total of 4 prime factors.
6 , 1 , 63 , 94 , 145 , 87 , 880 , 8448 , 56303 , 62258 , 434511 , 690171 , 3170274 , 1434657 , 72819403 , 71980820 , 935439543 , 135282683 , 4789201749 , 569068356
n×2
56339478
n×3
84509217
n×4
112678956
n×5
140848695
n÷2
14084869.5
n÷3
9389913
n÷3
7042434.75
n÷5
5633947.8
n2
793534195328121
n3
2.2353651169968E+22
n4
6.2969651915505E+29
n5
1.7738386593806E+37
2 √n
5307.5172161756
3 √n
304.27126569155
4 √n
72.852709051727
5 √n
30.899863762914
1 , 9 , 13 , 61 , 117 , 549 , 793 , 3947 , 7137 , 35523 , 51311 , 240767 , 461799 , 2166903 , 3129971 , 28169739
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
-28169738
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 28169739 can be divided by 16 positive divisors.
The sum of these divisors (counting 28169739) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011101011000001011
3
Ternary
1222000011121200
4
Quaternary
1223131120023
5
Quinary
24202412424
6
Senary
2443435243
8
Octal
153353013
10
Decimal
28169739
12
Duodecimal
9525b23
16
Hexadecimal
1add60b
20
Vigesimal
8g146j
36
Base36
grrwr
md5
bc69f4c534d6c7e1ccbfed901b7f37ce
sha1
d500bd97be99cc34a304158e2c4dbfe7934d0473
sha256
23bbc8622e01993803488f4fc424f4d2249ee65bee8972ee7ad046dfb2d87d5e
sha512
77ca0218fc42c411f8bec99426a03f6aa54d80b073862ee5250416fce732f2350c9baaaff3afd3f2c01226a9e3d9a1a1c3c163b31589be767bf8b4de474cad72
ripemd-160
f8b1e26e24e450485ec3d28b4611a3951b2c7a72
Diameter
56339478
Circumference
176995690.19188
Area
2.4929611984151E+15
Volume
9.3634755061975E+22
Surface area
9.9718447936605E+15
Circumference
176995690.19188
Perimeter
112678956
Area
793534195328121
Diagonal
39838026.94231
Surface area
4761205171968726
Volume
2.2353651169968E+22
Space diagonal
48791419.183954
Perimeter
84509217
Area
3.436103859629E+14
Altitude
24395709.591977
Surface area
3.436103859629E+14
Volume
2.6344030544272E+21
Height
13279342.314103