256291221 is an odd 9-digits composite number following 256291220
and preceding 256291222 . In scientific notation, it is written as 2.56291221 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 167964752 positive integers (up to 256291221) that are relatively prime to 256291221.
256291221 has 8 divisors, whose sum is 347513760
The reverse of 256291221 is 122192652
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred fifty-six million two hundred ninety-one thousand two hundred twenty-one
Scientific notation
2.56291221 × 10^8
Engineering notation
2.56291221 × 10^6
Prime Factorization
3 × 59 × 1447973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
256291221
Product of the distinct prime numbers
The prime factorization of 256291221 is 3 × 59 × 1447973.
Since it has a total of 3 prime factors.
9 , 2 , 53 , 98 , 365 , 264 , 4005 , 1650 , 57126 , 23458 , 41405 , 52168 , 3313919 , 1232648 , 69993193 , 37011543 , 48855448 , 190653876 , 294076021 , 900759103
n×2
512582442
n×3
768873663
n×4
1025164884
n×5
1281456105
n÷2
128145610.5
n÷3
85430407
n÷3
64072805.25
n÷5
51258244.2
n2
65685189961670841
n3
1.6834537536894E+25
n4
4.3145441803008E+33
n5
1.1057797960277E+42
2 √n
16009.098069535
3 √n
635.2011027336
4 √n
126.5270645733
5 √n
48.055903409264
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-256291220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 256291221 can be divided by 8 positive divisors.
The sum of these divisors (counting 256291221) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111010001101011000110010101
3
Ternary
122212020221110110
4
Quaternary
33101223012111
5
Quinary
1011102304341
6
Senary
41233113233
8
Octal
1721530625
10
Decimal
256291221
12
Duodecimal
719b8819
16
Hexadecimal
f46b195
20
Vigesimal
401g811
36
Base36
48l7kl
md5
b74aeb2a7984658963bcae8c9a60b640
sha1
8880d7513f28829b8d353a2795a0427153106c43
sha256
d5f570c259aacaf35e89c53e526ed4901d8055bf9cf2378d0611171a98ec2f82
sha512
3fc09cfa6be70306e8cf265f1618a97969a431e85c661985e15096c15afbd622c4dc5ebdde11f80d049fa09f1ff7870df66e939837abb577293f6bbf99e77ab1
ripemd-160
19bbdd3180fc394007666c48aa6ff46f87443d69
Diameter
512582442
Circumference
1610325234.1463
Area
2.0635611023324E+17
Volume
7.0516345936649E+25
Surface area
8.2542444093294E+17
Circumference
1610325234.1463
Perimeter
1025164884
Area
65685189961670841
Diagonal
362450520.65536
Surface area
394111139770025046
Volume
1.6834537536894E+25
Space diagonal
443909416.30586
Perimeter
768873663
Area
2.8442521579607E+16
Altitude
221954708.15293
Surface area
2.8442521579607E+16
Volume
1.9839692750795E+24
Height
120816840.21845