56557981 is an odd 8-digits composite number following 56557980
and preceding 56557982 . In scientific notation, it is written as 5.6557981 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 54733500 positive integers (up to 56557981) that are relatively prime to 56557981.
56557981 has 4 divisors, whose sum is 58382464
The reverse of 56557981 is 18975565
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
fifty-six million five hundred fifty-seven thousand nine hundred eighty-one
Scientific notation
5.6557981 × 10^7
Engineering notation
5.6557981 × 10^6
Prime Factorization
31 × 1824451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
56557981
Product of the distinct prime numbers
The prime factorization of 56557981 is 31 × 1824451.
Since it has a total of 2 prime factors.
7 , 9 , 90 , 25 , 652 , 912 , 7099 , 5947 , 53291 , 96721 , 852201 , 829525 , 236218 , 4955813 , 29348290 , 43842158 , 225457881 , 511775046 , 7958772338 , 1078400411
n×2
113115962
n×3
169673943
n×4
226231924
n×5
282789905
n÷2
28278990.5
n÷3
18852660.333333
n÷3
14139495.25
n÷5
11311596.2
n2
3198805214796361
n3
1.8091796456115E+23
n4
1.0232354802208E+31
n5
5.7872132848856E+38
2 √n
7520.5040389591
3 √n
383.85272898979
4 √n
86.720839703955
5 √n
35.522112022955
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
-56557980
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 56557981 can be divided by 4 positive divisors.
The sum of these divisors (counting 56557981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11010111110000000110011101
3
Ternary
10221102102222001
4
Quaternary
3113300012131
5
Quinary
103434323411
6
Senary
5340122301
8
Octal
327600635
10
Decimal
56557981
12
Duodecimal
16b36391
16
Hexadecimal
35f019d
20
Vigesimal
hd9ej1
36
Base36
xo8f1
md5
66aeadd787480847ea3d73d8a0f6043e
sha1
5cfea287a01cd906a3ca457deec961e1dfc67254
sha256
5dfe89d4b191caf18ff3c387818171a809ecfabd2ecf58da84ff8936211d28ae
sha512
67903ce25df5c308b530d0cf09cd1cf451c288c04e7aa48fed163d546de98666f3a9173f5ceddb5f015e1123ec96daac7ff2bc3825b8aeb7a05985ee7ffbbfdf
ripemd-160
e1271fbbc0dfebd94cbdc2e307c8719da8a13f3f
Diameter
113115962
Circumference
355364275.22294
Area
1.0049342963069E+16
Volume
7.5782739782365E+23
Surface area
4.0197371852276E+16
Circumference
355364275.22294
Perimeter
226231924
Area
3198805214796361
Diagonal
79985063.79064
Surface area
19192831288778166
Volume
1.8091796456115E+23
Space diagonal
97961296.665515
Perimeter
169673943
Area
1.3851232888859E+15
Altitude
48980648.332758
Surface area
1.3851232888859E+15
Volume
2.132138659661E+22
Height
26661687.930213