55186721 is an odd 8-digits composite number following 55186720
and preceding 55186722 . In scientific notation, it is written as 5.5186721 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 53602560 positive integers (up to 55186721) that are relatively prime to 55186721.
55186721 has 8 divisors, whose sum is 56776104
The reverse of 55186721 is 12768155
Previous prime number is 1693
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
fifty-five million one hundred eighty-six thousand seven hundred twenty-one
Scientific notation
5.5186721 × 10^7
Engineering notation
5.5186721 × 10^6
Prime Factorization
37 × 1693 × 881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
55186721
Product of the distinct prime numbers
The prime factorization of 55186721 is 37 × 1693 × 881.
Since it has a total of 3 prime factors.
7 , 10 , 76 , 35 , 191 , 652 , 9419 , 1955 , 68341 , 15786 , 733705 , 2667 , 6841954 , 2996612 , 44890043 , 87346015 , 930945698 , 256444577 , 1528592731 , 1598558989
n×2
110373442
n×3
165560163
n×4
220746884
n×5
275933605
n÷2
27593360.5
n÷3
18395573.666667
n÷3
13796680.25
n÷5
11037344.2
n2
3045574174731841
n3
1.6807525226573E+23
n4
9.2755220537935E+30
n5
5.1188564771205E+38
2 √n
7428.7765479923
3 √n
380.72511821517
4 √n
86.190350666373
5 √n
35.348168627575
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
-55186720
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 55186721 can be divided by 8 positive divisors.
The sum of these divisors (counting 55186721) is 1, the average is 0.125.
Base
System
Value
2
Binary
11010010100001010100100001
3
Ternary
10211211202221122
4
Quaternary
3102201110201
5
Quinary
103111433341
6
Senary
5250502025
8
Octal
322412441
10
Decimal
55186721
12
Duodecimal
16594915
16
Hexadecimal
34a1521
20
Vigesimal
h4i6g1
36
Base36
wuuch
md5
739a7812d59bd392270b6ef76bd6d623
sha1
1fe0b9c77fcfeaddd71bf0014e8725522198c43c
sha256
f2bf2a29483949ebc2fbbc6ef765e96a01df369d424e63af870cfc680d9a3db5
sha512
833043b3de96056b9636b23a2f5eaf5f9f05c4711f2f6cfc01e6b667332c84c2789ebcbbf5b3bfce13b50d1cb8edf4014ef4fae4bacedb4cf3187b8dcabd7547
ripemd-160
30b284457a971e71a598ba55d1846b1a7332fb55
Diameter
110373442
Circumference
346748394.53862
Area
9.5679534533003E+15
Volume
7.040319703577E+23
Surface area
3.8271813813201E+16
Circumference
346748394.53862
Perimeter
220746884
Area
3045574174731841
Diagonal
78045809.3011
Surface area
18273445048391046
Volume
1.6807525226573E+23
Space diagonal
95586204.675128
Perimeter
165560163
Area
1.3187723022138E+15
Altitude
47793102.337564
Surface area
1.3187723022138E+15
Volume
1.980785843779E+22
Height
26015269.767033