28772968 is an even 8-digits composite number following 28772967
and preceding 28772969 . In scientific notation, it is written as 2.8772968 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 32 positive divisors.
There are 12127680 positive integers (up to 28772968) that are relatively prime to 28772968.
28772968 has 32 divisors, whose sum is 62674560
The reverse of 28772968 is 86927782
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million seven hundred seventy-two thousand nine hundred sixty-eight
Scientific notation
2.8772968 × 10^7
Engineering notation
2.8772968 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 61 × 8423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7193242
Product of the distinct prime numbers
The prime factorization of 28772968 is 2 × 2 × 2 × 7 × 61 × 8423.
Since it has a total of 6 prime factors.
7 , 6 , 9 , 21 , 142 , 109 , 9011 , 420 , 55672 , 7161 , 467370 , 749347 , 3581902 , 7334236 , 31145528 , 47798129 , 800387481 , 801785310 , 2631806217 , 4837042231
n×2
57545936
n×3
86318904
n×4
115091872
n×5
143864840
n÷2
14386484
n÷3
9590989.3333333
n÷3
7193242
n÷5
5754593.6
n2
827883687529024
n3
2.3820670848995E+22
n4
6.8539140007665E+29
n5
1.9720744821881E+37
2 √n
5364.0439968367
3 √n
306.42784073043
4 √n
73.239634057228
5 √n
31.031082971622
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 61 , 122 , 244 , 427 , 488 , 854 , 1708 , 3416 , 8423 , 16846 , 33692 , 58961 , 67384 , 117922 , 235844 , 471688 , 513803 , 1027606 , 2055212 , 3596621 , 4110424 , 7193242 , 14386484 , 28772968
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28772967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28772968 can be divided by 32 positive divisors.
The sum of these divisors (counting 28772968) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101110000101001101000
3
Ternary
2000010211002111
4
Quaternary
1231300221220
5
Quinary
24331213333
6
Senary
2504412104
8
Octal
155605150
10
Decimal
28772968
12
Duodecimal
9777034
16
Hexadecimal
1b70a68
20
Vigesimal
8jgc88
36
Base36
h4pd4
md5
2a20f9193b4c9f65b61ffa116470c80a
sha1
6a8c1ac6b6cd370553cea4def825097f97112555
sha256
28504ac44fa568d62c50b0fe03ff250c2e8bb78c7329fccd9cd837414b6c3e2b
sha512
9b9eba44d42059d3054915d5c819290f8cbaf726e96eaf92ee7e166fd684443b72af8f454c014d64831d4ade9da4d0305103b112125549b623d22536ff5e66fc
ripemd-160
1b33a1c2f7843ec0112a4cf7d50a72fe1383ee31
Diameter
57545936
Circumference
180785889.78155
Area
2.600873310768E+15
Volume
9.9779792723709E+22
Surface area
1.0403493243072E+16
Circumference
180785889.78155
Perimeter
115091872
Area
827883687529024
Diagonal
40691121.575327
Surface area
4967302125174144
Volume
2.3820670848995E+22
Space diagonal
49836242.460553
Perimeter
86318904
Area
3.5848415238944E+14
Altitude
24918121.230277
Surface area
3.5848415238944E+14
Volume
2.8072929816228E+21
Height
13563707.191776