7978996813 is an odd 10-digits composite number following 7978996812
and preceding 7978996814 . In scientific notation, it is written as 7.978996813 × 10^9.
The sum of its digits is 67. It has a total of 3 prime factors and 8 positive divisors.
There are 7961011344 positive integers (up to 7978996813) that are relatively prime to 7978996813.
7978996813 has 8 divisors, whose sum is 7997004288
The reverse of 7978996813 is 3186998797
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 67
Digital Root 4
Name
seven billion nine hundred seventy-eight million nine hundred ninety-six thousand eight hundred thirteen
Scientific notation
7.978996813 × 10^9
Engineering notation
7.978996813 × 10^9
Prime Factorization
1013 × 863 × 9127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7978996813
Product of the distinct prime numbers
The prime factorization of 7978996813 is 1013 × 863 × 9127.
Since it has a total of 3 prime factors.
2 , 8 , 21 , 99 , 645 , 666 , 9509 , 5171 , 88059 , 62566 , 526387 , 781039 , 5664572 , 2059522 , 9236572 , 87492252 , 841322815 , 249994790 , 7669404965 , 5371074976
n×2
15957993626
n×3
23936990439
n×4
31915987252
n×5
39894984065
n÷2
3989498406.5
n÷3
2659665604.3333
n÷3
1994749203.25
n÷5
1595799362.6
n2
6.3664390141864E+19
n3
5.0797796604352E+29
n4
4.0531545721355E+39
n5
3.2340107413665E+49
2 √n
89325.23055106
3 √n
1998.2482004639
4 √n
298.87326837819
5 √n
95.584981034869
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
-7978996812
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 7978996813 can be divided by 8 positive divisors.
The sum of these divisors (counting 7978996813) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011011100101011101010001001101
3
Ternary
202121001220000221111
4
Quaternary
13123211131101031
5
Quinary
112320110344223
6
Senary
3355425332021
8
Octal
73345352115
10
Decimal
7978996813
12
Duodecimal
1668197011
16
Hexadecimal
1db95d44d
20
Vigesimal
64d8ec0d
36
Base36
3nyhlcd
md5
ceecb381cbe1b6b7c876809bda45f622
sha1
73a936714242c174b611a8bae9633c503cbc2fec
sha256
9059c9f03b2e019d9b8a6265241ad93c1a3be6b450e34b0ff1c6a1b10ee122a4
sha512
169d7871cc5447ae542286266cc3a9cffbb0d3aeecab19fb4f34cd2f56423303a031cc954280e309b9e001225658cbb659afaa2a4bca29a561b458841b7d0fe3
ripemd-160
975bc5cf221fad4929439b6d887ea83b40b6c306
Diameter
15957993626
Circumference
50133515541.474
Area
2.0000758036495E+20
Volume
2.1278131284104E+30
Surface area
8.0003032145982E+20
Circumference
50133515541.474
Perimeter
31915987252
Area
6.3664390141864E+19
Diagonal
11284005507.076
Surface area
3.8198634085118E+20
Volume
5.0797796604352E+29
Space diagonal
13820027873.546
Perimeter
23936990439
Area
2.7567489589649E+19
Altitude
6910013936.7731
Surface area
2.7567489589649E+19
Volume
5.9865777413787E+28
Height
3761335169.0254