256291215 is an odd 9-digits composite number following 256291214
and preceding 256291216 . In scientific notation, it is written as 2.56291215 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 135410336 positive integers (up to 256291215) that are relatively prime to 256291215.
256291215 has 16 divisors, whose sum is 413900928
The reverse of 256291215 is 512192652
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred fifty-six million two hundred ninety-one thousand two hundred fifteen
Scientific notation
2.56291215 × 10^8
Engineering notation
2.56291215 × 10^6
Prime Factorization
3 × 5 × 107 × 159683
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
256291215
Product of the distinct prime numbers
The prime factorization of 256291215 is 3 × 5 × 107 × 159683.
Since it has a total of 4 prime factors.
7 , 2 , 30 , 37 , 444 , 696 , 3386 , 4672 , 22693 , 97447 , 179121 , 306961 , 6641880 , 9927116 , 18615104 , 42066687 , 794989270 , 47168508 , 476603843 , 2643727367
n×2
512582430
n×3
768873645
n×4
1025164860
n×5
1281456075
n÷2
128145607.5
n÷3
85430405
n÷3
64072803.75
n÷5
51258243
n2
65685186886176225
n3
1.683453635456E+25
n4
4.3145437762719E+33
n5
1.1057796665914E+42
2 √n
16009.097882142
3 √n
635.20109777673
4 √n
126.52706383277
5 √n
48.055903184258
1 , 3 , 5 , 15 , 107 , 321 , 535 , 1605 , 159683 , 479049 , 798415 , 2395245 , 17086081 , 51258243 , 85430405 , 256291215
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
-256291214
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 256291215 can be divided by 16 positive divisors.
The sum of these divisors (counting 256291215) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010001101011000110001111
3
Ternary
122212020221110020
4
Quaternary
33101223012033
5
Quinary
1011102304330
6
Senary
41233113223
8
Octal
1721530617
10
Decimal
256291215
12
Duodecimal
719b8813
16
Hexadecimal
f46b18f
20
Vigesimal
401g80f
36
Base36
48l7kf
md5
f4ce0de1e586c3bd093132ec7a361153
sha1
e378d874a4cea8bc44b982fb25a8f7a91fb870cb
sha256
773b41b7d38cab8afeaa4dbebb2e273bb3963b719704e465f29327d1cd9c4af9
sha512
357f7dfe83d15def89dcd53889a82e09a5d4e2b19a8f925a6d4bba7881a308abb30f6d034ecded746c0887cafee3fcc88201d3848ef5a94c154c04e0768bca95
ripemd-160
bee8cfadeb1c6fd112d2df3a4a3dae0c53a41d32
Diameter
512582430
Circumference
1610325196.4472
Area
2.0635610057128E+17
Volume
7.0516340984102E+25
Surface area
8.2542440228514E+17
Circumference
1610325196.4472
Perimeter
1025164860
Area
65685186886176225
Diagonal
362450512.17008
Surface area
394111121317057350
Volume
1.683453635456E+25
Space diagonal
443909405.91356
Perimeter
768873645
Area
2.8442520247879E+16
Altitude
221954702.95678
Surface area
2.8442520247879E+16
Volume
1.9839691357402E+24
Height
120816837.39003