238928981 is an odd 9-digits composite number following 238928980
and preceding 238928982 . In scientific notation, it is written as 2.38928981 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 236736864 positive integers (up to 238928981) that are relatively prime to 238928981.
238928981 has 4 divisors, whose sum is 241121100
The reverse of 238928981 is 189829832
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred thirty-eight million nine hundred twenty-eight thousand nine hundred eighty-one
Scientific notation
2.38928981 × 10^8
Engineering notation
2.38928981 × 10^6
Prime Factorization
109 × 2192009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
238928981
Product of the distinct prime numbers
The prime factorization of 238928981 is 109 × 2192009.
Since it has a total of 2 prime factors.
8 , 8 , 96 , 77 , 183 , 543 , 4276 , 1042 , 49578 , 60547 , 176769 , 783542 , 1534976 , 1049384 , 69992767 , 66806732 , 509821750 , 456557210 , 2888155040 , 5913820042
n×2
477857962
n×3
716786943
n×4
955715924
n×5
1194644905
n÷2
119464490.5
n÷3
79642993.666667
n÷3
59732245.25
n÷5
47785796.2
n2
57087057961698361
n3
1.3639752587077E+25
n4
3.2589321867223E+33
n5
7.7865334652166E+41
2 √n
15457.327744471
3 √n
620.52070460537
4 √n
124.32750196345
5 √n
47.386405464676
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-238928980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 238928981 can be divided by 4 positive divisors.
The sum of these divisors (counting 238928981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001111011100010001010101
3
Ternary
121122120211221112
4
Quaternary
32033130101111
5
Quinary
442131211411
6
Senary
35413024405
8
Octal
1617342125
10
Decimal
238928981
12
Duodecimal
68025105
16
Hexadecimal
e3dc455
20
Vigesimal
3ed6291
36
Base36
3y92s5
md5
b1f4255afc4ef2aaca1b954fcc0fcbb2
sha1
65988d80e859197f2eabf95e9e800d23e23733b4
sha256
b66387d050aa3a9bf0db5530ee1d06f76d21c315f7c241455625aa24eb3b02b4
sha512
bcfd43b73230c57de468e29803819dc63fe9f579e264717909098c65d922d81bc97ff3348b2cb4c9335f8c55f69b08f79579d1e0d8370b118f472d58b9e7423a
ripemd-160
0435f86107b37bb8cf458e7f592f0ad7d100be64
Diameter
477857962
Circumference
1501235062.8786
Area
1.7934428190753E+17
Volume
5.7134062032456E+25
Surface area
7.1737712763011E+17
Circumference
1501235062.8786
Perimeter
955715924
Area
57087057961698361
Diagonal
337896605.37418
Surface area
342522347770190166
Volume
1.3639752587077E+25
Space diagonal
413837134.49266
Perimeter
716786943
Area
2.4719421211073E+16
Altitude
206918567.24633
Surface area
2.4719421211073E+16
Volume
1.6074602580048E+24
Height
112632201.79139