8049121981 is an odd 10-digits composite number following 8049121980
and preceding 8049121982 . In scientific notation, it is written as 8.049121981 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 7625483964 positive integers (up to 8049121981) that are relatively prime to 8049121981.
8049121981 has 4 divisors, whose sum is 8472760000
The reverse of 8049121981 is 1891219408
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
eight billion forty-nine million one hundred twenty-one thousand nine hundred eighty-one
Scientific notation
8.049121981 × 10^9
Engineering notation
8.049121981 × 10^9
Prime Factorization
19 × 423637999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8049121981
Product of the distinct prime numbers
The prime factorization of 8049121981 is 19 × 423637999.
Since it has a total of 2 prime factors.
2 , 6 , 98 , 100 , 738 , 898 , 3983 , 3011 , 78015 , 28250 , 839620 , 510655 , 6353627 , 8335192 , 96429526 , 17092471 , 521334933 , 551018273 , 4643268569 , 408588130
n×2
16098243962
n×3
24147365943
n×4
32196487924
n×5
40245609905
n÷2
4024560990.5
n÷3
2683040660.3333
n÷3
2012280495.25
n÷5
1609824396.2
n2
6.4788364665017E+19
n3
5.2148945013823E+29
n4
4.1975321959673E+39
n5
3.3786448664515E+49
2 √n
89716.899082614
3 √n
2004.0851485162
4 √n
299.52779350607
5 √n
95.752407404363
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
-8049121980
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 8049121981 can be divided by 4 positive divisors.
The sum of these divisors (counting 8049121981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011111110000111101101010111101
3
Ternary
202202221211202120221
4
Quaternary
13133300331222331
5
Quinary
112441033400411
6
Senary
3410412341341
8
Octal
73760755275
10
Decimal
8049121981
12
Duodecimal
1687774851
16
Hexadecimal
1dfc3dabd
20
Vigesimal
65f704j1
36
Base36
3p48m9p
md5
332cc8195cc452a202656f8213d32669
sha1
fbfcadb0f5325ee59fd270273b8f3317ac5017fe
sha256
00d715248e261128226cd52ac91c6b9b1aa56a8ad0a1cb0d404c0df0a99f49ca
sha512
a715faee7a868ae52948aacd0b1b5209285aa01df4279df3bb2edb1683813c1a3477c35301ab67a7460a06a448e7c72275f30358b43a2f2f01b1d9971f4e135c
ripemd-160
6454eab5799d5e14ff6dd58473394d3c25421bd3
Diameter
16098243962
Circumference
50574124966.715
Area
2.0353865046972E+20
Volume
2.1844099006385E+30
Surface area
8.1415460187886E+20
Circumference
50574124966.715
Perimeter
32196487924
Area
6.4788364665017E+19
Diagonal
11383177470.726
Surface area
3.887301879901E+20
Volume
5.2148945013823E+29
Space diagonal
13941488227.411
Perimeter
24147365943
Area
2.8054184834778E+19
Altitude
6970744113.7057
Surface area
2.8054184834778E+19
Volume
6.1458121084998E+28
Height
3794392490.2419