7921996979 is an odd 10-digits composite number following 7921996978
and preceding 7921996980 . In scientific notation, it is written as 7.921996979 × 10^9.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 7312612584 positive integers (up to 7921996979) that are relatively prime to 7921996979.
7921996979 has 4 divisors, whose sum is 8531381376
The reverse of 7921996979 is 9796991297
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
seven billion nine hundred twenty-one million nine hundred ninety-six thousand nine hundred seventy-nine
Scientific notation
7.921996979 × 10^9
Engineering notation
7.921996979 × 10^9
Prime Factorization
13 × 609384383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7921996979
Product of the distinct prime numbers
The prime factorization of 7921996979 is 13 × 609384383.
Since it has a total of 2 prime factors.
3 , 4 , 38 , 2 , 805 , 521 , 6816 , 6562 , 35843 , 52475 , 484598 , 869311 , 9526144 , 1608839 , 92225959 , 83170523 , 164976795 , 295433976 , 163647472 , 7118765738
n×2
15843993958
n×3
23765990937
n×4
31687987916
n×5
39609984895
n÷2
3960998489.5
n÷3
2640665659.6667
n÷3
1980499244.75
n÷5
1584399395.8
n2
6.2758036135285E+19
n3
4.971689726717E+29
n4
3.9385710995578E+39
n5
3.1201348352273E+49
2 √n
89005.600829386
3 √n
1993.478506424
4 √n
298.33806466723
5 √n
95.448022371782
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7921996978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7921996979 can be divided by 4 positive divisors.
The sum of these divisors (counting 7921996979) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000001100000001010010110011
3
Ternary
202110002122010212112
4
Quaternary
13120030001102303
5
Quinary
112211012400404
6
Senary
3350031515535
8
Octal
73014012263
10
Decimal
7921996979
12
Duodecimal
1651088bab
16
Hexadecimal
1d83014b3
20
Vigesimal
63fc9c8j
36
Base36
3n0jvzn
md5
8dd6c64aed31f0e5ee501cecefff3bff
sha1
73a43878079a803f4ae55f4a62e4df00721218b4
sha256
cadede867763421490b5549e009af64899896ba20d1bae0161be52511b79512b
sha512
a4e50d21d6cf1e45df747915f0628dc14f9ce50a8e2ee3a7f7b95f3aafea55b0664a17358b06199512000abd642c795dfeb6a2d0194ea9bf659f5745eccae3cc
ripemd-160
dbc62493c9ba4e869a54a379f942a93a3aa30b8e
Diameter
15843993958
Circumference
49775375021.974
Area
1.9716018527633E+20
Volume
2.0825365228509E+30
Surface area
7.8864074110534E+20
Circumference
49775375021.974
Perimeter
31687987916
Area
6.2758036135285E+19
Diagonal
11203395568.78
Surface area
3.7654821681171E+20
Volume
4.971689726717E+29
Space diagonal
13721301265.035
Perimeter
23765990937
Area
2.7175026792389E+19
Altitude
6860650632.5176
Surface area
2.7175026792389E+19
Volume
5.8591925328618E+28
Height
3734465189.5935