55661809 is an odd 8-digits composite number following 55661808
and preceding 55661810 . In scientific notation, it is written as 5.5661809 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 47710116 positive integers (up to 55661809) that are relatively prime to 55661809.
55661809 has 4 divisors, whose sum is 63613504
The reverse of 55661809 is 90816655
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
fifty-five million six hundred sixty-one thousand eight hundred nine
Scientific notation
5.5661809 × 10^7
Engineering notation
5.5661809 × 10^6
Prime Factorization
7 × 7951687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
55661809
Product of the distinct prime numbers
The prime factorization of 55661809 is 7 × 7951687.
Since it has a total of 2 prime factors.
1 , 10 , 32 , 23 , 527 , 572 , 2515 , 9676 , 80448 , 97715 , 426192 , 358273 , 5414746 , 5891137 , 25326564 , 97964220 , 61824658 , 331496016 , 6854624843 , 250152874
n×2
111323618
n×3
166985427
n×4
222647236
n×5
278309045
n÷2
27830904.5
n÷3
18553936.333333
n÷3
13915452.25
n÷5
11132361.8
n2
3098236981152481
n3
1.7245347508165E+23
n4
9.5990723913808E+30
n5
5.3430173402621E+38
2 √n
7460.6842179521
3 √n
381.8145189283
4 √n
86.375252346677
5 √n
35.408820752001
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
-55661808
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 55661809 can be divided by 4 positive divisors.
The sum of these divisors (counting 55661809) is 1, the average is 0.25.
Base
System
Value
2
Binary
11010100010101010011110001
3
Ternary
10212201220122111
4
Quaternary
3110111103301
5
Quinary
103222134214
6
Senary
5305005321
8
Octal
324252361
10
Decimal
55661809
12
Duodecimal
16783841
16
Hexadecimal
35154f1
20
Vigesimal
h7hea9
36
Base36
x50xd
md5
0ce934bf4d799bef7fe3a0857b68982f
sha1
31be49e1cadcccb53c529c94ec1cbfc28dc78081
sha256
1b91fd0e77ae49809026805ff0513305f3497e6d502eaf4227271f6f60813e69
sha512
1557bd85492d32c2aa85d51a3b040f3d9816edaeee41b860fc91602356a61f41864c394d8ec98223935bf229980160ee335200817835549f319bdb338704f540
ripemd-160
607a06537ee9abb1c7f6de65968ea3d485d147fb
Diameter
111323618
Circumference
349733460.47984
Area
9.7333985390689E+15
Volume
7.2237142720337E+23
Surface area
3.8933594156275E+16
Circumference
349733460.47984
Perimeter
222647236
Area
3098236981152481
Diagonal
78717685.194021
Surface area
18589421886914886
Volume
1.7245347508165E+23
Space diagonal
96409081.229195
Perimeter
166985427
Area
1.3415759663112E+15
Altitude
48204540.614597
Surface area
1.3415759663112E+15
Volume
2.0323836944903E+22
Height
26239228.398007