7881399993 is an odd 10-digits composite number following 7881399992
and preceding 7881399994 . In scientific notation, it is written as 7.881399993 × 10^9.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 5247926928 positive integers (up to 7881399993) that are relatively prime to 7881399993.
7881399993 has 8 divisors, whose sum is 10521212800
The reverse of 7881399993 is 3999931887
Previous prime number is 829
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 66
Digital Root 3
Name
seven billion eight hundred eighty-one million three hundred ninety-nine thousand nine hundred ninety-three
Scientific notation
7.881399993 × 10^9
Engineering notation
7.881399993 × 10^9
Prime Factorization
3 × 829 × 3169039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7881399993
Product of the distinct prime numbers
The prime factorization of 7881399993 is 3 × 829 × 3169039.
Since it has a total of 3 prime factors.
4 , 8 , 33 , 67 , 208 , 775 , 5692 , 2815 , 74077 , 37360 , 793014 , 533053 , 4018101 , 7854249 , 5902955 , 73759714 , 438696079 , 231530232 , 56555231 , 6443372685
n×2
15762799986
n×3
23644199979
n×4
31525599972
n×5
39406999965
n÷2
3940699996.5
n÷3
2627133331
n÷3
1970349998.25
n÷5
1576279998.6
n2
6.211646584966E+19
n3
4.895647135127E+29
n4
3.858455329652E+39
n5
3.041002980811E+49
2 √n
88777.249298455
3 √n
1990.0674196665
4 √n
297.95511289195
5 √n
95.349994829932
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
-7881399992
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 7881399993 can be divided by 8 positive divisors.
The sum of these divisors (counting 7881399993) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010101110001001001111010111001
3
Ternary
202100021020121021110
4
Quaternary
13111301021322321
5
Quinary
112120114244433
6
Senary
3342021430533
8
Octal
72561117271
10
Decimal
7881399993
12
Duodecimal
163b56b449
16
Hexadecimal
1d5c49eb9
20
Vigesimal
632iejjd
36
Base36
3mcdr5l
md5
e6eb7191bab4a9b49ead899452ca548f
sha1
16e77ab3921030293fae464a3237e2954849fb46
sha256
f2b2f4ea6cce0d41063e99459d826cc53395f8a283dddf9379f4b1246105c9f8
sha512
25153fba333ba76d59f7cb6af0857877eb33ff2432d35ec7bb2e2ac784a6a32d2e056197a63220d35a80f6ac104af0d613e1ccef509d61ab6e54330f24b048ba
ripemd-160
98e1088b1f0ae261e8b4e1fe022d690f4f165ba7
Diameter
15762799986
Circumference
49520296636.023
Area
1.9514463278025E+20
Volume
2.050683876571E+30
Surface area
7.8057853112102E+20
Circumference
49520296636.023
Perimeter
31525599972
Area
6.211646584966E+19
Diagonal
11145982760.588
Surface area
3.7269879509796E+20
Volume
4.895647135127E+29
Space diagonal
13650985222.649
Perimeter
23644199979
Area
2.6897218709557E+19
Altitude
6825492611.3245
Surface area
2.6897218709557E+19
Volume
5.7695754792413E+28
Height
3715327586.8626