255996821 is an odd 9-digits composite number following 255996820
and preceding 255996822 . In scientific notation, it is written as 2.55996821 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 244835136 positive integers (up to 255996821) that are relatively prime to 255996821.
255996821 has 16 divisors, whose sum is 267442176
The reverse of 255996821 is 128699552
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred fifty-five million nine hundred ninety-six thousand eight hundred twenty-one
Scientific notation
2.55996821 × 10^8
Engineering notation
2.55996821 × 10^6
Prime Factorization
37 × 127 × 157 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
255996821
Product of the distinct prime numbers
The prime factorization of 255996821 is 37 × 127 × 157 × 347.
Since it has a total of 4 prime factors.
10 , 2 , 30 , 2 , 893 , 373 , 8736 , 3514 , 23273 , 55127 , 901470 , 851247 , 1523894 , 6548233 , 96008548 , 42984799 , 528022155 , 569453206 , 3411097405 , 8238369530
n×2
511993642
n×3
767990463
n×4
1023987284
n×5
1279984105
n÷2
127998410.5
n÷3
85332273.666667
n÷3
63999205.25
n÷5
51199364.2
n2
65534372362106041
n3
1.6776590990929E+25
n4
4.2947539608952E+33
n5
1.0994433609663E+42
2 √n
15999.900655942
3 √n
634.95779247018
4 √n
126.49071371425
5 √n
48.044858034459
1 , 37 , 127 , 157 , 347 , 4699 , 5809 , 12839 , 19939 , 44069 , 54479 , 737743 , 1630553 , 2015723 , 6918833 , 255996821
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
-255996820
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 255996821 can be divided by 16 positive divisors.
The sum of these divisors (counting 255996821) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010000100011001110010101
3
Ternary
122211200222121202
4
Quaternary
33100203032111
5
Quinary
1011013344241
6
Senary
41222522245
8
Octal
1720431625
10
Decimal
255996821
12
Duodecimal
71896385
16
Hexadecimal
f423395
20
Vigesimal
3jjjc11
36
Base36
48ewet
md5
d3aeb01be9b36300d4375a4ce811f748
sha1
61c13a42cf11760d56a569e9dac6eff4d45a40da
sha256
efe97097f1f0c53da28d4c4788c89c3b5babdac51b24698962efbddb32b04023
sha512
07811466fe324333cc5596f8abc68a864f9407b8dd38650e4fcc7fb462fe80e87312229d0372c10416b46d8be161faed54aa97fffe57cc784704b314f7aae2a6
ripemd-160
fc2d80230a03027ea452efd44f0ce648c9fbf9ca
Diameter
511993642
Circumference
1608475464.3919
Area
2.0588230277041E+17
Volume
7.0273620012513E+25
Surface area
8.2352921108164E+17
Circumference
1608475464.3919
Perimeter
1023987284
Area
65534372362106041
Diagonal
362034176.1826
Surface area
393206234172636246
Volume
1.6776590990929E+25
Space diagonal
443399500.54812
Perimeter
767990463
Area
2.8377215643326E+16
Altitude
221699750.27406
Surface area
2.8377215643326E+16
Volume
1.9771402091466E+24
Height
120678058.72753