7966561621 is an odd 10-digits composite number following 7966561620
and preceding 7966561622 . In scientific notation, it is written as 7.966561621 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 7766736480 positive integers (up to 7966561621) that are relatively prime to 7966561621.
7966561621 has 8 divisors, whose sum is 8166662784
The reverse of 7966561621 is 1261656697
Previous prime number is 1423
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
seven billion nine hundred sixty-six million five hundred sixty-one thousand six hundred twenty-one
Scientific notation
7.966561621 × 10^9
Engineering notation
7.966561621 × 10^9
Prime Factorization
41 × 1423 × 136547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7966561621
Product of the distinct prime numbers
The prime factorization of 7966561621 is 41 × 1423 × 136547.
Since it has a total of 3 prime factors.
9 , 6 , 90 , 87 , 980 , 216 , 9405 , 2010 , 61034 , 67138 , 3721 , 909862 , 9860358 , 8497415 , 74295137 , 44350460 , 886164927 , 960842067 , 7847786829 , 450128921
n×2
15933123242
n×3
23899684863
n×4
31866246484
n×5
39832808105
n÷2
3983280810.5
n÷3
2655520540.3333
n÷3
1991640405.25
n÷5
1593312324.2
n2
6.346610406119E+19
n3
5.0560662884827E+29
n4
4.0279463647058E+39
n5
3.2088882920512E+49
2 √n
89255.59714102
3 √n
1997.209576997
4 √n
298.75675246096
5 √n
95.555168784212
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
-7966561620
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 7966561621 can be divided by 8 positive divisors.
The sum of these divisors (counting 7966561621) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011010110110000001010101010101
3
Ternary
202120012111021001211
4
Quaternary
13122312001111111
5
Quinary
112303414432441
6
Senary
3354303021421
8
Octal
73266012525
10
Decimal
7966561621
12
Duodecimal
1663b9a871
16
Hexadecimal
1dad81555
20
Vigesimal
649b0411
36
Base36
3nr32ad
md5
bc534e1559940c043134188b43595653
sha1
9e48a9cbdfc0836aebfe097b53e36f25b0a783ff
sha256
a995e032e952f3d9b687beaa15e404cfabef5bd5d0972eae744f6a599b5e3925
sha512
e0035cfa625340deafd6ea63f686f911d29c6d9787f3e8aebfd006d4ceb9aea7220c7a3feb8835e4a67f9188a09a6de6c575f26452a1a9226c5e6a42f3e5f884
ripemd-160
aa36fa84beb8424618fa2e064168f9a46d24ec7b
Diameter
15933123242
Circumference
50055382925.808
Area
1.993846462706E+20
Volume
2.1178800943947E+30
Surface area
7.975385850824E+20
Circumference
50055382925.808
Perimeter
31866246484
Area
6.346610406119E+19
Diagonal
11266419489.899
Surface area
3.8079662436714E+20
Volume
5.0560662884827E+29
Space diagonal
13798489489.2
Perimeter
23899684863
Area
2.7481629198109E+19
Altitude
6899244744.6001
Surface area
2.7481629198109E+19
Volume
5.9586312645247E+28
Height
3755473163.2997