6656557721 is an odd 10-digits composite number following 6656557720
and preceding 6656557722 . In scientific notation, it is written as 6.656557721 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 6037038000 positive integers (up to 6656557721) that are relatively prime to 6656557721.
6656557721 has 8 divisors, whose sum is 7278953088
The reverse of 6656557721 is 1277556566
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
six billion six hundred fifty-six million five hundred fifty-seven thousand seven hundred twenty-one
Scientific notation
6.656557721 × 10^9
Engineering notation
6.656557721 × 10^9
Prime Factorization
11 × 421 × 1437391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6656557721
Product of the distinct prime numbers
The prime factorization of 6656557721 is 11 × 421 × 1437391.
Since it has a total of 3 prime factors.
7 , 8 , 17 , 98 , 845 , 306 , 2875 , 1783 , 84119 , 48268 , 95636 , 728266 , 6845680 , 3369092 , 70403234 , 89120201 , 243162614 , 148300747 , 2757697274 , 108300687
n×2
13313115442
n×3
19969673163
n×4
26626230884
n×5
33282788605
n÷2
3328278860.5
n÷3
2218852573.6667
n÷3
1664139430.25
n÷5
1331311544.2
n2
4.4309760693005E+19
n3
2.9495047965668E+29
n4
1.9633548926713E+39
n5
1.3069185169875E+49
2 √n
81587.730211105
3 √n
1881.1202883219
4 √n
285.63565990805
5 √n
92.18280955483
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
-6656557720
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 6656557721 can be divided by 8 positive divisors.
The sum of these divisors (counting 6656557721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100110000110000001010011001
3
Ternary
122011220111011112212
4
Quaternary
12030300300022121
5
Quinary
102113034321341
6
Senary
3020305044505
8
Octal
61460601231
10
Decimal
6656557721
12
Duodecimal
1359326735
16
Hexadecimal
18cc30299
20
Vigesimal
54039e61
36
Base36
32354t5
md5
572bffe2e325f66b3156c6f4ce62577d
sha1
4f0349f6442f29984394950ac5a6b17b73a9ef1a
sha256
16417f52ec7d29fbb910504ff5acb59534915235880d6a057b52e26899e978ee
sha512
d36ad8fcbc85a4569f0ce0e4ad85a197817e472efc27a2610197c8161ac19efa48b35ac10d60bd81010ef6e09a3f0d78ec03460393ba575a4d485472839cebb1
ripemd-160
8d41ad8c957c131e9df921a74f1a4aa0cc593e33
Diameter
13313115442
Circumference
41824385668.98
Area
1.3920321867547E+20
Volume
1.235485680083E+30
Surface area
5.5681287470186E+20
Circumference
41824385668.98
Perimeter
26626230884
Area
4.4309760693005E+19
Diagonal
9413794207.7575
Surface area
2.6585856415803E+20
Volume
2.9495047965668E+29
Space diagonal
11529496176.287
Perimeter
19969673163
Area
1.9186689197876E+19
Altitude
5764748088.1434
Surface area
1.9186689197876E+19
Volume
3.4760247379911E+28
Height
3137931402.5858