28139898 is an even 8-digits composite number following 28139897
and preceding 28139899 . In scientific notation, it is written as 2.8139898 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 9305856 positive integers (up to 28139898) that are relatively prime to 28139898.
28139898 has 16 divisors, whose sum is 56724480
The reverse of 28139898 is 89893182
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million one hundred thirty-nine thousand eight hundred ninety-eight
Scientific notation
2.8139898 × 10^7
Engineering notation
2.8139898 × 10^6
Prime Factorization
2 × 3 × 127 × 36929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28139898
Product of the distinct prime numbers
The prime factorization of 28139898 is 2 × 3 × 127 × 36929.
Since it has a total of 4 prime factors.
2 , 8 , 51 , 99 , 588 , 90 , 2839 , 8226 , 15993 , 83755 , 756900 , 431990 , 5362300 , 3674765 , 54135075 , 47429836 , 726132340 , 967055963 , 1297076341 , 7909956282
n×2
56279796
n×3
84419694
n×4
112559592
n×5
140699490
n÷2
14069949
n÷3
9379966
n÷3
7034974.5
n÷5
5627979.6
n2
791853859450404
n3
2.2282686835841E+22
n4
6.270325347265E+29
n5
1.7644631569885E+37
2 √n
5304.7052698524
3 √n
304.16378668277
4 √n
72.833407649597
5 √n
30.89331436749
1 , 2 , 3 , 6 , 127 , 254 , 381 , 762 , 36929 , 73858 , 110787 , 221574 , 4689983 , 9379966 , 14069949 , 28139898
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
-28139897
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 28139898 can be divided by 16 positive divisors.
The sum of these divisors (counting 28139898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010110000101111010
3
Ternary
1221221122200110
4
Quaternary
1223112011322
5
Quinary
24200434043
6
Senary
2443045150
8
Octal
153260572
10
Decimal
28139898
12
Duodecimal
95107b6
16
Hexadecimal
1ad617a
20
Vigesimal
8fh9ei
36
Base36
gr4vu
md5
383097b07d66ba0e7cf2269a7f5ce4a0
sha1
07f618c96da544cc62ece977e1dc9684f121ee8b
sha256
a8465e9a6d96b46a7997aea8b7fd1d427951bcb7250e6cf6bc84e62f8c938b00
sha512
db937f0e35d4b5d5207baccde652b89f476326a39913c4a66bfd8dbe7ffa063c968fbedc3e0e728c630ab006a92f0f10792d885ffa8d0b408f47bf1a5d75cc26
ripemd-160
e8f9522c3fa8e7ebc74145d0bb7faddf6ab621ce
Diameter
56279796
Circumference
176808193.65913
Area
2.4876822675661E+15
Volume
9.3337500354292E+22
Surface area
9.9507290702645E+15
Circumference
176808193.65913
Perimeter
112559592
Area
791853859450404
Diagonal
39795825.395396
Surface area
4751123156702424
Volume
2.2282686835841E+22
Space diagonal
48739733.055806
Perimeter
84419694
Area
3.428827791844E+14
Altitude
24369866.527903
Surface area
3.428827791844E+14
Volume
2.6260398274465E+21
Height
13265275.131799