55643721 is an odd 8-digits composite number following 55643720
and preceding 55643722 . In scientific notation, it is written as 5.5643721 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 30699648 positive integers (up to 55643721) that are relatively prime to 55643721.
55643721 has 16 divisors, whose sum is 87715200
The reverse of 55643721 is 12734655
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifty-five million six hundred forty-three thousand seven hundred twenty-one
Scientific notation
5.5643721 × 10^7
Engineering notation
5.5643721 × 10^6
Prime Factorization
3 × 7 × 29 × 91369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
55643721
Product of the distinct prime numbers
The prime factorization of 55643721 is 3 × 7 × 29 × 91369.
Since it has a total of 4 prime factors.
2 , 3 , 67 , 76 , 923 , 66 , 5271 , 8174 , 435 , 85472 , 398767 , 857344 , 2275936 , 7137376 , 21017146 , 19625936 , 3740169 , 781313722 , 1689549051 , 1770936072
n×2
111287442
n×3
166931163
n×4
222574884
n×5
278218605
n÷2
27821860.5
n÷3
18547907
n÷3
13910930.25
n÷5
11128744.2
n2
3096223686725841
n3
1.7228540697776E+23
n4
9.5866011182422E+30
n5
5.3343415796175E+38
2 √n
7459.4718981976
3 √n
381.77315598203
4 √n
86.368234312145
5 √n
35.406519145102
1 , 3 , 7 , 21 , 29 , 87 , 203 , 609 , 91369 , 274107 , 639583 , 1918749 , 2649701 , 7949103 , 18547907 , 55643721
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
-55643720
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 55643721 can be divided by 16 positive divisors.
The sum of these divisors (counting 55643721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11010100010000111001001001
3
Ternary
10212200222211120
4
Quaternary
3110100321021
5
Quinary
103221044341
6
Senary
5304345453
8
Octal
324207111
10
Decimal
55643721
12
Duodecimal
16775289
16
Hexadecimal
3510e49
20
Vigesimal
h7f961
36
Base36
x4myx
md5
fb1647bba7dc7b43eb18d44fa86b8a7d
sha1
b8ee0a8c341cf5fc95d2c9efbd4b4192bc0fd7ad
sha256
d227d29912c0cb495c6786fd688020f53277cc63558b7b5e264811de4404b5e5
sha512
f9db87d2edb6bb377ca253a91f8caeae50217a5431c3d8b76b6beffbdc4a1e3d9ccf06b91342df2b1b8956d3bc8eaa4da3c539936d029f3872d9146d4d72102a
ripemd-160
3afaa1d1b3dc657272f0f78f43b721150f739480
Diameter
111287442
Circumference
349619810.224
Area
9.7270735880886E+15
Volume
7.216674251761E+23
Surface area
3.8908294352354E+16
Circumference
349619810.224
Perimeter
222574884
Area
3096223686725841
Diagonal
78692104.899105
Surface area
18577342120355046
Volume
1.7228540697776E+23
Space diagonal
96377751.894187
Perimeter
166931163
Area
1.3407041842518E+15
Altitude
48188875.947094
Surface area
1.3407041842518E+15
Volume
2.030402992891E+22
Height
26230701.633035