28911023 is an odd 8-digits composite number following 28911022
and preceding 28911024 . In scientific notation, it is written as 2.8911023 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 26357760 positive integers (up to 28911023) that are relatively prime to 28911023.
28911023 has 16 divisors, whose sum is 31617216
The reverse of 28911023 is 32011982
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-eight million nine hundred eleven thousand twenty-three
Scientific notation
2.8911023 × 10^7
Engineering notation
2.8911023 × 10^6
Prime Factorization
23 × 53 × 37 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28911023
Product of the distinct prime numbers
The prime factorization of 28911023 is 23 × 53 × 37 × 641.
Since it has a total of 4 prime factors.
10 , 3 , 13 , 30 , 327 , 340 , 1485 , 3866 , 1264 , 69501 , 137729 , 418928 , 5701609 , 3647044 , 62675778 , 44889223 , 61119898 , 693953317 , 762952673 , 6414313099
n×2
57822046
n×3
86733069
n×4
115644092
n×5
144555115
n÷2
14455511.5
n÷3
9637007.6666667
n÷3
7227755.75
n÷5
5782204.6
n2
835847250906529
n3
2.4165199095445E+22
n4
6.98640626848E+29
n5
2.0198415231537E+37
2 √n
5376.8971535636
3 √n
306.91714740852
4 √n
73.327328831504
5 √n
31.060803908078
1 , 23 , 37 , 53 , 641 , 851 , 1219 , 1961 , 14743 , 23717 , 33973 , 45103 , 545491 , 781379 , 1257001 , 28911023
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
-28911022
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 28911023 can be divided by 16 positive divisors.
The sum of these divisors (counting 28911023) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010010010110101111
3
Ternary
2000101211110122
4
Quaternary
1232102112233
5
Quinary
24400123043
6
Senary
2511355155
8
Octal
156222657
10
Decimal
28911023
12
Duodecimal
9822abb
16
Hexadecimal
1b925af
20
Vigesimal
90dhb3
36
Base36
h7nvz
md5
2cbc6032492c541bb5b5872a4d00923a
sha1
1f62b065e0023294fbba64a97f39a34cbf881377
sha256
240bcd142e74cb6d230ef9dbed5d85385e1df5937752f9a2923271039f839262
sha512
d562bfb88efbb997e1d8c91b08b882b8c1bec4b534650e5238571f3519e5913529eb5beedd6655064b4cd2fd1be4b6ed92e4e844ad18d95dd772e9f778984b96
ripemd-160
4c0e1716b77246766d5e9f4a9a2efb87fb7dcba0
Diameter
57822046
Circumference
181653314.92913
Area
2.6258915829712E+15
Volume
1.0122294926771E+23
Surface area
1.0503566331885E+16
Circumference
181653314.92913
Perimeter
115644092
Area
835847250906529
Diagonal
40886360.82868
Surface area
5015083505439174
Volume
2.4165199095445E+22
Space diagonal
50075360.734792
Perimeter
86733069
Area
3.6193247648422E+14
Altitude
25037680.367396
Surface area
3.6193247648422E+14
Volume
2.8478960248521E+21
Height
13628786.942893