256290421 is an odd 9-digits composite number following 256290420
and preceding 256290422 . In scientific notation, it is written as 2.56290421 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 254419552 positive integers (up to 256290421) that are relatively prime to 256290421.
256290421 has 4 divisors, whose sum is 258161292
The reverse of 256290421 is 124092652
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred fifty-six million two hundred ninety thousand four hundred twenty-one
Scientific notation
2.56290421 × 10^8
Engineering notation
2.56290421 × 10^6
Prime Factorization
137 × 1870733
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
256290421
Product of the distinct prime numbers
The prime factorization of 256290421 is 137 × 1870733.
Since it has a total of 2 prime factors.
1 , 10 , 47 , 46 , 335 , 598 , 444 , 5438 , 66315 , 11324 , 384310 , 179733 , 296232 , 8194302 , 38827296 , 78818494 , 22215571 , 898973513 , 4567555137 , 8579933199
n×2
512580842
n×3
768871263
n×4
1025161684
n×5
1281452105
n÷2
128145210.5
n÷3
85430140.333333
n÷3
64072605.25
n÷5
51258084.2
n2
65684779896357241
n3
1.683437989293E+25
n4
4.3144903100329E+33
n5
1.1057625379588E+42
2 √n
16009.073083723
3 √n
635.20044181694
4 √n
126.52696583623
5 √n
48.055873408415
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
-256290420
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 256290421 can be divided by 4 positive divisors.
The sum of these divisors (counting 256290421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010001101010111001110101
3
Ternary
122212020220100211
4
Quaternary
33101222321311
5
Quinary
1011102243141
6
Senary
41233105421
8
Octal
1721527165
10
Decimal
256290421
12
Duodecimal
719b8271
16
Hexadecimal
f46ae75
20
Vigesimal
401g611
36
Base36
48l6yd
md5
d4ef5f7ce0649a5614ad86ba77010a7c
sha1
6b2b5dc5cc8afa8f0b9e8b5ce83b3b1a86395f40
sha256
fc1816c75b98108463c8aeb2031e04e74375805c7fcd10e1ea5e9dab6f2f2a30
sha512
2521421ddfbf78b8c3284195c1888fb8db3058fcaa6d073b114913eb0a25a651886b5fe3bfbff0a56a9fef6304ec97de21a06b5967780c4cefa62a54d2844265
ripemd-160
578c054a7926cb08d866c561e698344ac019f13b
Diameter
512580842
Circumference
1610320207.5981
Area
2.0635482197506E+17
Volume
7.0515685599157E+25
Surface area
8.2541928790023E+17
Circumference
1610320207.5981
Perimeter
1025161684
Area
65684779896357241
Diagonal
362449389.28451
Surface area
394108679378143446
Volume
1.683437989293E+25
Space diagonal
443908030.66522
Perimeter
768871263
Area
2.8442344016117E+16
Altitude
221954015.33261
Surface area
2.8442344016117E+16
Volume
1.9839506965602E+24
Height
120816463.09484