7978996820 is an even 10-digits composite number following 7978996819
and preceding 7978996821 . In scientific notation, it is written as 7.978996820 × 10^9.
The sum of its digits is 65. It has a total of 4 prime factors and 12 positive divisors.
There are 3191598720 positive integers (up to 7978996820) that are relatively prime to 7978996820.
7978996820 has 12 divisors, whose sum is 16755893364
The reverse of 7978996820 is 0286998797
Previous prime number is 5
Is Prime? no Number parity even Number length 10 Sum of Digits 65 Digital Root 2
Name
seven billion nine hundred seventy-eight million nine hundred ninety-six thousand eight hundred twenty
Scientific notation
7.978996820 × 10^9
Engineering notation
7.978996820 × 10^9
Prime Factorization
2 × 2 × 5 × 398949841
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
3989498410 Product of the distinct prime numbers
The prime factorization of 7978996820 is 2 × 2 × 5 × 398949841.
Since it has a total of 4 prime factors.
1 , 2 , 34 , 79 , 86 , 360 , 2817 , 3972 , 14635 , 24129 , 662598 , 478025 , 2284343 , 1663712 , 68453965 , 98960495 , 457374005 , 355388829 , 1372227356 , 3569373227
n×2
15957993640
n×3
23936990460
n×4
31915987280
n×5
39894984100
n÷2
3989498410
n÷3
2659665606.6667
n÷3
1994749205
n÷5
1595799364
n2
6.366439025357E+19
n3
5.0797796738047E+29
n4
4.0531545863589E+39
n5
3.2340107555526E+49
2 √n89325.230590243
3 √n1998.2482010482
4 √n298.87326844374
5 √n95.58498105164
1 , 2 , 4 , 5 , 10 , 20 , 398949841 , 797899682 , 1595799364 , 1994749205 , 3989498410 , 7978996820
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7978996819 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7978996820 can be divided by 12 positive divisors.
The sum of these divisors (counting 7978996820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011011100101011101010001010100
3
Ternary
202121001220000221202
4
Quaternary
13123211131101110
5
Quinary
112320110344240
6
Senary
3355425332032
8
Octal
73345352124
10
Decimal
7978996820
12
Duodecimal
1668197018
16
Hexadecimal
1db95d454
20
Vigesimal
64d8ec10
36
Base36
3nyhlck
md5
33acb077cf8dd6ae1e0266eb2b16f41e
sha1
b2acc666b19e5265555523d2110379ee3c34d217
sha256
e89de3dba720e4610729b4285598a470df90e1acaa8c80f1fbda6ecb0321db76
sha512
e318e6257e7bc26da05806e399236a1e9c9b3567b352a8e34c3a16c2124de8592792cb82f41b152baecba5a67ecaff365d91b87822f8be759d5bdd13a14f819f
ripemd-160
b0839f30c0de1d01d80ff6686ea4095473bc9c6a
Diameter
15957993640
Circumference
50133515585.457
Area
2.0000758071589E+20
Volume
2.1278131340106E+30
Surface area
8.0003032286356E+20
Circumference
50133515585.457
Perimeter
31915987280
Area
6.366439025357E+19
Diagonal
11284005516.976
Surface area
3.8198634152142E+20
Volume
5.0797796738047E+29
Space diagonal
13820027885.671
Perimeter
23936990460
Area
2.7567489638019E+19
Altitude
6910013942.8353
Surface area
2.7567489638019E+19
Volume
5.9865777571349E+28
Height
3761335172.3253