255993721 is an odd 9-digits composite number following 255993720
and preceding 255993722 . In scientific notation, it is written as 2.55993721 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 255612672 positive integers (up to 255993721) that are relatively prime to 255993721.
255993721 has 4 divisors, whose sum is 256374772
The reverse of 255993721 is 127399552
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred fifty-five million nine hundred ninety-three thousand seven hundred twenty-one
Scientific notation
2.55993721 × 10^8
Engineering notation
2.55993721 × 10^6
Prime Factorization
673 × 380377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
255993721
Product of the distinct prime numbers
The prime factorization of 255993721 is 673 × 380377.
Since it has a total of 2 prime factors.
10 , 1 , 56 , 86 , 889 , 462 , 9197 , 7020 , 41959 , 74757 , 46796 , 318709 , 4818660 , 4629475 , 63746049 , 56436971 , 974235810 , 949658213 , 9093847584 , 2056453157
n×2
511987442
n×3
767981163
n×4
1023974884
n×5
1279968605
n÷2
127996860.5
n÷3
85331240.333333
n÷3
63998430.25
n÷5
51198744.2
n2
65532785191425841
n3
1.6775981528647E+25
n4
4.2945459349456E+33
n5
1.0993767938921E+42
2 √n
15999.803780047
3 √n
634.95522944733
4 √n
126.49033077689
5 √n
48.04474167381
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
-255993720
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 255993721 can be divided by 4 positive divisors.
The sum of these divisors (counting 255993721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010000100010011101111001
3
Ternary
122211200211100221
4
Quaternary
33100202131321
5
Quinary
1011013244341
6
Senary
41222500041
8
Octal
1720423571
10
Decimal
255993721
12
Duodecimal
71894621
16
Hexadecimal
f422779
20
Vigesimal
3jjj461
36
Base36
48eu0p
md5
9ac1fbcb7cc735cc4c500d468d6a024f
sha1
836ad7cf371a6c663560ce707b836e0ab1b606fd
sha256
d2484acf640ea1a405809fbdee63bd1ef5f3cd8f09b87a76abb6e0bd9365ec96
sha512
b65130dbd8af55872c95f90204c16b3b7db9a605e85f3c790c1a77fad6ca475a65fec50f69fd54ffe28a2163246c7b8a50ff8a1021085aac05fdab10e2fb21a6
ripemd-160
6fa6c5bfc6efb8f95354cf431a78e7840f71f914
Diameter
511987442
Circumference
1608455986.5174
Area
2.0587731652666E+17
Volume
7.0271067102873E+25
Surface area
8.2350926610665E+17
Circumference
1608455986.5174
Perimeter
1023974884
Area
65532785191425841
Diagonal
362029792.12055
Surface area
393196711148555046
Volume
1.6775981528647E+25
Space diagonal
443394131.19061
Perimeter
767981163
Area
2.8376528378262E+16
Altitude
221697065.59531
Surface area
2.8376528378262E+16
Volume
1.9770683833277E+24
Height
120676597.37352