28949938 is an even 8-digits composite number following 28949937
and preceding 28949939 . In scientific notation, it is written as 2.8949938 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 14401296 positive integers (up to 28949938) that are relatively prime to 28949938.
28949938 has 8 divisors, whose sum is 43645932
The reverse of 28949938 is 83994982
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred forty-nine thousand nine hundred thirty-eight
Scientific notation
2.8949938 × 10^7
Engineering notation
2.8949938 × 10^6
Prime Factorization
2 × 197 × 73477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28949938
Product of the distinct prime numbers
The prime factorization of 28949938 is 2 × 197 × 73477.
Since it has a total of 3 prime factors.
10 , 7 , 23 , 39 , 612 , 203 , 9658 , 9332 , 8294 , 70168 , 487452 , 1162 , 398686 , 5751015 , 82052095 , 15425010 , 325309747 , 725965528 , 6421922543 , 3974262069
n×2
57899876
n×3
86849814
n×4
115799752
n×5
144749690
n÷2
14474969
n÷3
9649979.3333333
n÷3
7237484.5
n÷5
5789987.6
n2
838098910203844
n3
2.4262911488269E+22
n4
7.0240978328487E+29
n5
2.033471967669E+37
2 √n
5380.5146593983
3 √n
307.05479186289
4 √n
73.351991516238
5 √n
31.069161142034
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28949937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28949938 can be divided by 8 positive divisors.
The sum of these divisors (counting 28949938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110011011110110110010
3
Ternary
2000110210211221
4
Quaternary
1232123312302
5
Quinary
24402344223
6
Senary
2512255254
8
Octal
156336662
10
Decimal
28949938
12
Duodecimal
984152a
16
Hexadecimal
1b9bdb2
20
Vigesimal
90iegi
36
Base36
h8hwy
md5
cfa36ee6c2ff35d7a0e5aaf777bd7587
sha1
60016b0cccc79eb516eac8ae3519308d6f210190
sha256
66c996d3d99f07d444ed701cd9973509291200361cc4cd5e31383c4919701c58
sha512
2b8b934cba77ba2b5d280085a2659b1f076033f4efdcdc519cac558421d7d3ab6dceb17e4dda3ce3cdb00785c39389abd7117945d478391ccfa3a16f61d11620
ripemd-160
af0b2561e6c8df41c1fe1550c0d57e9efde47fc2
Diameter
57899876
Circumference
181897825.08536
Area
2.632965379278E+15
Volume
1.0163224598166E+23
Surface area
1.0531861517112E+16
Circumference
181897825.08536
Perimeter
115799752
Area
838098910203844
Diagonal
40941394.94946
Surface area
5028593461223064
Volume
2.4262911488269E+22
Space diagonal
50142763.491969
Perimeter
86849814
Area
3.6290747356029E+14
Altitude
25071381.745984
Surface area
3.6290747356029E+14
Volume
2.8594115407806E+21
Height
13647131.64982