28169872 is an even 8-digits composite number following 28169871
and preceding 28169873 . In scientific notation, it is written as 2.8169872 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 14056448 positive integers (up to 28169872) that are relatively prime to 28169872.
28169872 has 20 divisors, whose sum is 54689580
The reverse of 28169872 is 27896182
Previous prime number is 2969
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million one hundred sixty-nine thousand eight hundred seventy-two
Scientific notation
2.8169872 × 10^7
Engineering notation
2.8169872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2969 × 593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3521234
Product of the distinct prime numbers
The prime factorization of 28169872 is 2 × 2 × 2 × 2 × 2969 × 593.
Since it has a total of 6 prime factors.
3 , 10 , 46 , 70 , 734 , 647 , 2652 , 6526 , 26733 , 93969 , 555036 , 342874 , 3535861 , 2987064 , 69420814 , 42281941 , 274001805 , 508024351 , 6135866304 , 6789696195
n×2
56339744
n×3
84509616
n×4
112679488
n×5
140849360
n÷2
14084936
n÷3
9389957.3333333
n÷3
7042468
n÷5
5633974.4
n2
793541688496384
n3
2.2353967791607E+22
n4
6.2970841138169E+29
n5
1.7738805345946E+37
2 √n
5307.5297455596
3 √n
304.27174455073
4 √n
72.852795042878
5 √n
30.899892940849
1 , 2 , 4 , 8 , 16 , 593 , 1186 , 2372 , 2969 , 4744 , 5938 , 9488 , 11876 , 23752 , 47504 , 1760617 , 3521234 , 7042468 , 14084936 , 28169872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28169871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28169872 can be divided by 20 positive divisors.
The sum of these divisors (counting 28169872) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011011101011010010000
3
Ternary
1222000011210121
4
Quaternary
1223131122100
5
Quinary
24202413442
6
Senary
2443440024
8
Octal
153353220
10
Decimal
28169872
12
Duodecimal
9526014
16
Hexadecimal
1add690
20
Vigesimal
8g14dc
36
Base36
grs0g
md5
e6f7bc24b7fdc85977ddb66814f86f53
sha1
d654d761d2b24bd2b14409f783a517bc87493e0e
sha256
1a70dea18d5de64819ee03e546827927471365c753c582a6c9d8cccdd443e2c0
sha512
490c8332abb931af3164151d6daf4f254a66d5c7caa5596234d62dd7d09c48bad8b31aa2ec6f0e2771fbf51c991290dd47aadb4ae4651d984e256d6a7d07dd7c
ripemd-160
410ee9808a85e8a66f3f94663b0ac1f2d38c3e11
Diameter
56339744
Circumference
176996525.85553
Area
2.4929847388975E+15
Volume
9.3636081323594E+22
Surface area
9.9719389555899E+15
Circumference
176996525.85553
Perimeter
112679488
Area
793541688496384
Diagonal
39838215.032714
Surface area
4761250130978304
Volume
2.2353967791607E+22
Space diagonal
48791649.546712
Perimeter
84509616
Area
3.4361363059993E+14
Altitude
24395824.773356
Surface area
3.4361363059993E+14
Volume
2.6344403686452E+21
Height
13279405.010905