8129381878 is an even 10-digits composite number following 8129381877
and preceding 8129381879 . In scientific notation, it is written as 8.129381878 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 3659261056 positive integers (up to 8129381878) that are relatively prime to 8129381878.
8129381878 has 8 divisors, whose sum is 12225260880
The reverse of 8129381878 is 8781839218
Previous prime number is 391
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
eight billion one hundred twenty-nine million three hundred eighty-one thousand eight hundred seventy-eight
Scientific notation
8.129381878 × 10^9
Engineering notation
8.129381878 × 10^9
Prime Factorization
2 × 391 × 10395629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8129381878
Product of the distinct prime numbers
The prime factorization of 8129381878 is 2 × 391 × 10395629.
Since it has a total of 3 prime factors.
1 , 8 , 96 , 65 , 373 , 392 , 3989 , 1821 , 32771 , 31094 , 602341 , 92147 , 3639348 , 116132 , 56599528 , 78482024 , 96577919 , 905503941 , 370308039 , 4960471565
n×2
16258763756
n×3
24388145634
n×4
32517527512
n×5
40646909390
n÷2
4064690939
n÷3
2709793959.3333
n÷3
2032345469.5
n÷5
1625876375.6
n2
6.6086849718355E+19
n3
5.372452384745E+29
n4
4.3674717056964E+39
n5
3.5504845336966E+49
2 √n
90163.084896204
3 √n
2010.7242159809
4 √n
300.27168513898
5 √n
95.942604758002
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
-8129381877
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 8129381878 can be divided by 8 positive divisors.
The sum of these divisors (counting 8129381878) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100100100011001000010111110110
3
Ternary
202222112212101110201
4
Quaternary
13210203020113312
5
Quinary
113122110210003
6
Senary
3422400511114
8
Octal
74443102766
10
Decimal
8129381878
12
Duodecimal
16aa61b49a
16
Hexadecimal
1e48c85f6
20
Vigesimal
6708cedi
36
Base36
3qg0v7a
md5
b43ccadb35f937e4adbe925f0c34a069
sha1
3f0279167abc1ba4dcae1704f24b3a308730677d
sha256
2e4619541b40ff069623b9127f6ec7289d882f7bcd8f373c5d5d39610125aca9
sha512
ae8aa9772be62cd329f86cecd0242a475c2ca6ef5095053583ce7958a8c5af0dbdb09eccaa758b37a4346b6eddbec0a12ec6c530af9912fec65624126563b145
ripemd-160
d30b337d43a3973a9e35a39ad07f90f35799304d
Diameter
16258763756
Circumference
51078412772.302
Area
2.0761796157408E+20
Volume
2.2504075924901E+30
Surface area
8.304718462963E+20
Circumference
51078412772.302
Perimeter
32517527512
Area
6.6086849718355E+19
Diagonal
11496682105.578
Surface area
3.9652109831013E+20
Volume
5.372452384745E+29
Space diagonal
14080502446.826
Perimeter
24388145634
Area
2.861644535609E+19
Altitude
7040251223.4128
Surface area
2.861644535609E+19
Volume
6.3314958547584E+28
Height
3832227368.5259