8125540981 is an odd 10-digits composite number following 8125540980
and preceding 8125540982 . In scientific notation, it is written as 8.125540981 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 8125327852 positive integers (up to 8125540981) that are relatively prime to 8125540981.
8125540981 has 4 divisors, whose sum is 8125754112
The reverse of 8125540981 is 1890455218
Previous prime number is 49727
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
eight billion one hundred twenty-five million five hundred forty thousand nine hundred eighty-one
Scientific notation
8.125540981 × 10^9
Engineering notation
8.125540981 × 10^9
Prime Factorization
49727 × 163403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8125540981
Product of the distinct prime numbers
The prime factorization of 8125540981 is 49727 × 163403.
Since it has a total of 2 prime factors.
9 , 3 , 51 , 95 , 172 , 364 , 8503 , 1271 , 20938 , 23766 , 203637 , 511947 , 834542 , 3156765 , 8272894 , 72055388 , 825967421 , 258755879 , 8232390008 , 5642553364
n×2
16251081962
n×3
24376622943
n×4
32502163924
n×5
40627704905
n÷2
4062770490.5
n÷3
2708513660.3333
n÷3
2031385245.25
n÷5
1625108196.2
n2
6.602441623391E+19
n3
5.3648409985524E+29
n4
4.3592235390287E+39
n5
3.5421049511717E+49
2 √n
90141.78265932
3 √n
2010.4074964836
4 √n
300.23621143913
5 √n
95.933537024898
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
-8125540980
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 8125540981 can be divided by 4 positive divisors.
The sum of these divisors (counting 8125540981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100010100011110101001110101
3
Ternary
202222021122020202021
4
Quaternary
13210110132221311
5
Quinary
113120114302411
6
Senary
3422142313141
8
Octal
74424365165
10
Decimal
8125540981
12
Duodecimal
16a92887b1
16
Hexadecimal
1e451ea75
20
Vigesimal
66j4cc91
36
Base36
3qdqjjp
md5
553ec3f7224ed296d7a3c8200e9c335d
sha1
ca8c9da6a0132e7ec6c594da904d541eca7d0112
sha256
3ec396d4009a3bf8c4d344d593532ffcb50e764f9bd9a3a895bd71e99aa42a6e
sha512
8abf342aba1ec7fbfef8d9e22c753aa4662c5d330107af9dbe09ffd76ac032ea32390a714801da2c48462b005053558296cdcb71c00d2251ffa5cb15c7a196b5
ripemd-160
1a63c69a9a7fb8c7ab4e07381c1c1b4c09c86375
Diameter
16251081962
Circumference
51054279704.705
Area
2.0742182099801E+20
Volume
2.2472193424973E+30
Surface area
8.2968728399203E+20
Circumference
51054279704.705
Perimeter
32502163924
Area
6.602441623391E+19
Diagonal
11491250256.949
Surface area
3.9614649740346E+20
Volume
5.3648409985524E+29
Space diagonal
14073849818.075
Perimeter
24376622943
Area
2.8589410864302E+19
Altitude
7036924909.0375
Surface area
2.8589410864302E+19
Volume
6.3225257501067E+28
Height
3830416752.3162