255627981 is an odd 9-digits composite number following 255627980
and preceding 255627982 . In scientific notation, it is written as 2.55627981 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 143828784 positive integers (up to 255627981) that are relatively prime to 255627981.
255627981 has 24 divisors, whose sum is 383903520
The reverse of 255627981 is 189726552
Previous prime number is 469
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred fifty-five million six hundred twenty-seven thousand nine hundred eighty-one
Scientific notation
2.55627981 × 10^8
Engineering notation
2.55627981 × 10^6
Prime Factorization
9 × 3 × 9 × 469 × 2243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28403109
Product of the distinct prime numbers
The prime factorization of 255627981 is 9 × 3 × 9 × 469 × 2243.
Since it has a total of 5 prime factors.
7 , 3 , 78 , 9 , 964 , 548 , 8212 , 7797 , 76960 , 62397 , 12809 , 88917 , 7597240 , 5977664 , 708704 , 66403163 , 944177482 , 59471700 , 8486668981 , 8710558959
n×2
511255962
n×3
766883943
n×4
1022511924
n×5
1278139905
n÷2
127813990.5
n÷3
85209327
n÷3
63906995.25
n÷5
51125596.2
n2
65345664670136361
n3
1.670418032673E+25
n4
4.2700558911819E+33
n5
1.09154576622E+42
2 √n
15988.370179602
3 √n
634.65269701532
4 √n
126.44512714851
5 √n
48.031005450596
1 , 3 , 9 , 27 , 81 , 243 , 469 , 1407 , 2243 , 4221 , 6729 , 12663 , 20187 , 37989 , 60561 , 113967 , 181683 , 545049 , 1051967 , 3155901 , 9467703 , 28403109 , 85209327 , 255627981
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-255627980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 255627981 can be divided by 24 positive divisors.
The sum of these divisors (counting 255627981) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111001111001001001011001101
3
Ternary
122211000020200000
4
Quaternary
33033021023031
5
Quinary
1010420043411
6
Senary
41210554513
8
Octal
1717111315
10
Decimal
255627981
12
Duodecimal
71738a39
16
Hexadecimal
f3c92cd
20
Vigesimal
3jhd9j1
36
Base36
486zt9
md5
befb9d68147ae02caa5a292f84f5af89
sha1
92e0b49e6fc55d0d249bf360b9ab94470aa52993
sha256
14e8dc025a5e7ad41ab43c4c419b33231413a943142c8d0e062c51c747cd14d6
sha512
4f81566dfeb1f071f8dfdcc3016d70b506cbf61a8405c9b91fd777d3b6f32419fdad7e7f1057d41997dbcf4832ad89d0ce4919855370319dfb1c54d2ee1ce3ae
ripemd-160
ab038f75c5cfff4bafeb512dd9b4ec7eeb8258cb
Diameter
511255962
Circumference
1606157974.3232
Area
2.0528946007164E+17
Volume
6.9970306931592E+25
Surface area
8.2115784028657E+17
Circumference
1606157974.3232
Perimeter
1022511924
Area
65345664670136361
Diagonal
361512557.65225
Surface area
392073988020818166
Volume
1.670418032673E+25
Space diagonal
442760650.92825
Perimeter
766883943
Area
2.8295502815759E+16
Altitude
221380325.46413
Surface area
2.8295502815759E+16
Volume
1.9686065305323E+24
Height
120504185.88408