7978984916 is an even 10-digits composite number following 7978984915
and preceding 7978984917 . In scientific notation, it is written as 7.978984916 × 10^9.
The sum of its digits is 68. It has a total of 4 prime factors and 12 positive divisors.
There are 3419564952 positive integers (up to 7978984916) that are relatively prime to 7978984916.
7978984916 has 12 divisors, whose sum is 15957969888
The reverse of 7978984916 is 6194898797
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 68
Digital Root 5
Name
seven billion nine hundred seventy-eight million nine hundred eighty-four thousand nine hundred sixteen
Scientific notation
7.978984916 × 10^9
Engineering notation
7.978984916 × 10^9
Prime Factorization
2 × 2 × 7 × 284963747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3989492458
Product of the distinct prime numbers
The prime factorization of 7978984916 is 2 × 2 × 7 × 284963747.
Since it has a total of 4 prime factors.
2 , 1 , 16 , 68 , 781 , 522 , 5629 , 7840 , 12896 , 69970 , 615473 , 650738 , 5138626 , 6071791 , 81733787 , 76721231 , 584484411 , 850571717 , 8222130312 , 2324274994
n×2
15957969832
n×3
23936954748
n×4
31915939664
n×5
39894924580
n÷2
3989492458
n÷3
2659661638.6667
n÷3
1994746229
n÷5
1595796983.2
n2
6.3664200289756E+19
n3
5.0797569380116E+29
n4
4.0531303985341E+39
n5
3.2339866312485E+49
2 √n
89325.163957308
3 √n
1998.2472073076
4 √n
298.87315697016
5 √n
95.584952530654
1 , 2 , 4 , 7 , 14 , 28 , 284963747 , 569927494 , 1139854988 , 1994746229 , 3989492458 , 7978984916
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
-7978984915
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 7978984916 can be divided by 12 positive divisors.
The sum of these divisors (counting 7978984916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011011100101011010010111010100
3
Ternary
202121001212102121212
4
Quaternary
13123211122113110
5
Quinary
112320110004131
6
Senary
3355425200552
8
Octal
73345322724
10
Decimal
7978984916
12
Duodecimal
1668190158
16
Hexadecimal
1db95a5d4
20
Vigesimal
64d8d25g
36
Base36
3nyhc5w
md5
5f1b0330bff7109110715a4b860c6071
sha1
4d729e28fd0675f1ee0ec5495a98c5935023c3bb
sha256
4b28b55618b15de97dd373e660c645bae9284a0560a87a85a5b8300d7e271ce5
sha512
4f4d7f4ecd9c8aa6e348c3d4a12069119a143eeb1a8b1a4a1ab580c7c482ce7fd4b9623ccf0579a4635d85dde289c2351e9ffd0a43f4188fd1255f80ca3ffddf
ripemd-160
f524499fc49b47756739c5a0892432913b4e0cb9
Diameter
15957969832
Circumference
50133440790.419
Area
2.0000698392697E+20
Volume
2.1278036104639E+30
Surface area
8.0002793570786E+20
Circumference
50133440790.419
Perimeter
31915939664
Area
6.3664200289756E+19
Diagonal
11283988682.178
Surface area
3.8198520173853E+20
Volume
5.0797569380116E+29
Space diagonal
13820007267.338
Perimeter
23936954748
Area
2.7567407381274E+19
Altitude
6910003633.6688
Surface area
2.7567407381274E+19
Volume
5.9865509627457E+28
Height
3761329560.7259