8121494791 is an odd 10-digits composite number following 8121494790
and preceding 8121494792 . In scientific notation, it is written as 8.121494791 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 8120693952 positive integers (up to 8121494791) that are relatively prime to 8121494791.
8121494791 has 4 divisors, whose sum is 8122295632
The reverse of 8121494791 is 1974941218
Previous prime number is 10273
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
eight billion one hundred twenty-one million four hundred ninety-four thousand seven hundred ninety-one
Scientific notation
8.121494791 × 10^9
Engineering notation
8.121494791 × 10^9
Prime Factorization
10273 × 790567
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8121494791
Product of the distinct prime numbers
The prime factorization of 8121494791 is 10273 × 790567.
Since it has a total of 2 prime factors.
6 , 6 , 84 , 3 , 457 , 765 , 8636 , 1723 , 54762 , 15195 , 243415 , 466495 , 1986902 , 1382267 , 43985198 , 15569414 , 778217585 , 21358267 , 8413950674 , 7886930965
n×2
16242989582
n×3
24364484373
n×4
32485979164
n×5
40607473955
n÷2
4060747395.5
n÷3
2707164930.3333
n÷3
2030373697.75
n÷5
1624298958.2
n2
6.595867764024E+19
n3
5.3568305687646E+29
n4
4.3505471560491E+39
n5
3.5332946065853E+49
2 √n
90119.336387925
3 √n
2010.0737406013
4 √n
300.19882809219
5 √n
95.923980918827
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-8121494790
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8121494791 can be divided by 4 positive divisors.
The sum of these divisors (counting 8121494791) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100000101000010110100000111
3
Ternary
202222000000200102101
4
Quaternary
13210011002310013
5
Quinary
113113100313131
6
Senary
3421515452531
8
Octal
74405026407
10
Decimal
8121494791
12
Duodecimal
16a7a57147
16
Hexadecimal
1e4142d07
20
Vigesimal
66hj6gjb
36
Base36
3qbbthj
md5
62e07d9a3c2cb5f451facadeb51c728e
sha1
796580fc418fd79c19d6cb6f738a8adbf29a6ecd
sha256
b1954356e93b07aac8a881d148b8bd87061c812bba2fdd7a61839380a0083433
sha512
10c9bd7a757a5186ce3ee094b76be73ea5e206cce90b9f75a6ead94e207445e92724301ae1f2c33ad791bae1a8ad0d2c09e62eb0fee9fb43b3ba73e6b159304d
ripemd-160
41ed675dd26e16b113c6417a6fa2fb52089cf929
Diameter
16242989582
Circumference
51028856743.147
Area
2.0721529711508E+20
Volume
2.2438639415141E+30
Surface area
8.288611884603E+20
Circumference
51028856743.147
Perimeter
32485979164
Area
6.595867764024E+19
Diagonal
11485528080.175
Surface area
3.9575206584144E+20
Volume
5.3568305687646E+29
Space diagonal
14066841611.418
Perimeter
24364484373
Area
2.8560945218238E+19
Altitude
7033420805.709
Surface area
2.8560945218238E+19
Volume
6.313085368068E+28
Height
3828509360.0582