7981900516 is an even 10-digits composite number following 7981900515
and preceding 7981900517 . In scientific notation, it is written as 7.981900516 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 3989384352 positive integers (up to 7981900516) that are relatively prime to 7981900516.
7981900516 has 12 divisors, whose sum is 13973806588
The reverse of 7981900516 is 6150091897
Previous prime number is 2557
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
seven billion nine hundred eighty-one million nine hundred thousand five hundred sixteen
Scientific notation
7.981900516 × 10^9
Engineering notation
7.981900516 × 10^9
Prime Factorization
2 × 2 × 2557 × 780397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3990950258
Product of the distinct prime numbers
The prime factorization of 7981900516 is 2 × 2 × 2557 × 780397.
Since it has a total of 4 prime factors.
10 , 7 , 52 , 9 , 88 , 851 , 3150 , 5805 , 65184 , 18844 , 297254 , 821637 , 3562045 , 9650208 , 16737768 , 95932816 , 527534708 , 146338830 , 8990529934 , 8963989399
n×2
15963801032
n×3
23945701548
n×4
31927602064
n×5
39909502580
n÷2
3990950258
n÷3
2660633505.3333
n÷3
1995475129
n÷5
1596380103.2
n2
6.3710735847321E+19
n3
5.0853275533447E+29
n4
4.0590578622071E+39
n5
3.2398996044825E+49
2 √n
89341.48261586
3 √n
1998.4905707649
4 √n
298.90045603154
5 √n
95.591937047241
1 , 2 , 4 , 2557 , 5114 , 10228 , 780397 , 1560794 , 3121588 , 1995475129 , 3990950258 , 7981900516
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
-7981900515
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 7981900516 can be divided by 12 positive divisors.
The sum of these divisors (counting 7981900516) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011011110000100010001011100100
3
Ternary
202121021100120002001
4
Quaternary
13123300202023210
5
Quinary
112321331304031
6
Senary
3400011455044
8
Octal
73360421344
10
Decimal
7981900516
12
Duodecimal
1669157484
16
Hexadecimal
1dbc222e4
20
Vigesimal
64e6hb5g
36
Base36
3o07tus
md5
73fc80e07a8394318966158812c816b7
sha1
b8ed8cf070ad5d4f705ed89a2b40c614f61622ce
sha256
f93a813e52d9cde1c5f1858570e8c03a1a8833e9ff6bc6947e45640e03b73535
sha512
72dc688dfab85fcadf16fa46ef8574801e566cb22c2a524d0c51eeaa71ef73e03927f6879d5718e3f5d85cca506bd8b9e9be2045848a2e56b1b96704a989d47d
ripemd-160
887672ce9d93f0f884773c50d3bc8279a73c1ad6
Diameter
15963801032
Circumference
50151760045.5
Area
2.0015317969274E+20
Volume
2.1301370243581E+30
Surface area
8.0061271877098E+20
Circumference
50151760045.5
Perimeter
31927602064
Area
6.3710735847321E+19
Diagonal
11288111963.24
Surface area
3.8226441508393E+20
Volume
5.0853275533447E+29
Space diagonal
13825057234.672
Perimeter
23945701548
Area
2.758755786879E+19
Altitude
6912528617.3361
Surface area
2.758755786879E+19
Volume
5.9931159958747E+28
Height
3762703987.7467