28911042 is an even 8-digits composite number following 28911041
and preceding 28911043 . In scientific notation, it is written as 2.8911042 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9560376 positive integers (up to 28911042) that are relatively prime to 28911042.
28911042 has 16 divisors, whose sum is 48568320
The reverse of 28911042 is 24011982
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million nine hundred eleven thousand forty-two
Scientific notation
2.8911042 × 10^7
Engineering notation
2.8911042 × 10^6
Prime Factorization
2 × 9 × 127 × 12647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28911042
Product of the distinct prime numbers
The prime factorization of 28911042 is 2 × 9 × 127 × 12647.
Since it has a total of 4 prime factors.
2 , 8 , 67 , 2 , 872 , 442 , 8716 , 9857 , 48888 , 84910 , 194972 , 367614 , 9040255 , 2394015 , 18711806 , 73065753 , 135445176 , 562771510 , 9781302018 , 4006993380
n×2
57822084
n×3
86733126
n×4
115644168
n×5
144555210
n÷2
14455521
n÷3
9637014
n÷3
7227760.5
n÷5
5782208.4
n2
835848349525764
n3
2.416524673877E+22
n4
6.9864246340494E+29
n5
2.0198481602484E+37
2 √n
5376.8989203815
3 √n
306.91721464267
4 √n
73.327340878976
5 √n
31.060807990639
1 , 2 , 9 , 18 , 127 , 254 , 1143 , 2286 , 12647 , 25294 , 113823 , 227646 , 1606169 , 3212338 , 14455521 , 28911042
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
-28911041
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 28911042 can be divided by 16 positive divisors.
The sum of these divisors (counting 28911042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010010010111000010
3
Ternary
2000101211111100
4
Quaternary
1232102113002
5
Quinary
24400123132
6
Senary
2511355230
8
Octal
156222702
10
Decimal
28911042
12
Duodecimal
9822b16
16
Hexadecimal
1b925c2
20
Vigesimal
90dhc2
36
Base36
h7nwi
md5
a4508ac63c8f2470d4adcaa1c8e9120f
sha1
30242e8ed1fbd651b19fda26e3d78d5c577c263d
sha256
6de56ccc649db44db4143e21a3be05031c642106f42a89e43e563f31d1340968
sha512
41f820e40a934e3b1fe737643a4eb483afc4e7aff1d7440ef7424729dd129b063ba4d81918bfa04ffa2d5d2a6170b7efc7e2dda46b2a8d7df4a017cb9a9aa316
ripemd-160
a0245c62509df9e4021d4834ffe2728a26530209
Diameter
57822084
Circumference
181653434.30965
Area
2.6258950343853E+15
Volume
1.0122314883561E+23
Surface area
1.0503580137541E+16
Circumference
181653434.30965
Perimeter
115644168
Area
835848349525764
Diagonal
40886387.698738
Surface area
5015090097154584
Volume
2.416524673877E+22
Space diagonal
50075393.643758
Perimeter
86733126
Area
3.619329522003E+14
Altitude
25037696.821879
Surface area
3.619329522003E+14
Volume
2.8479016396717E+21
Height
13628795.899579