8021240905 is an odd 10-digits composite number following 8021240904
and preceding 8021240906 . In scientific notation, it is written as 8.021240905 × 10^9.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 6331665600 positive integers (up to 8021240905) that are relatively prime to 8021240905.
8021240905 has 16 divisors, whose sum is 9753638400
The reverse of 8021240905 is 5090421208
Previous prime number is 1789
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 31
Digital Root 4
Name
eight billion twenty-one million two hundred forty thousand nine hundred five
Scientific notation
8.021240905 × 10^9
Engineering notation
8.021240905 × 10^9
Prime Factorization
5 × 79 × 1789 × 11351
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8021240905
Product of the distinct prime numbers
The prime factorization of 8021240905 is 5 × 79 × 1789 × 11351.
Since it has a total of 4 prime factors.
9 , 5 , 30 , 17 , 167 , 908 , 6068 , 5156 , 28115 , 17586 , 609648 , 314823 , 1039357 , 9198208 , 67145969 , 44065403 , 219853102 , 254417806 , 7981596271 , 9544995373
n×2
16042481810
n×3
24063722715
n×4
32084963620
n×5
40106204525
n÷2
4010620452.5
n÷3
2673746968.3333
n÷3
2005310226.25
n÷5
1604248181
n2
6.4340305656045E+19
n3
5.1608909156847E+29
n4
4.1396749319133E+39
n5
3.3205329897266E+49
2 √n
89561.38065595
3 √n
2001.7685111399
4 √n
299.26807490267
5 √n
95.685980610836
1 , 5 , 79 , 395 , 1789 , 8945 , 11351 , 56755 , 141331 , 706655 , 896729 , 4483645 , 20306939 , 101534695 , 1604248181 , 8021240905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-8021240904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8021240905 can be divided by 16 positive divisors.
The sum of these divisors (counting 8021240905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011110000110100110110001001001
3
Ternary
202201000101020221111
4
Quaternary
13132012212301021
5
Quinary
112411414202110
6
Senary
3403535010321
8
Octal
73606466111
10
Decimal
8021240905
12
Duodecimal
167a3699a1
16
Hexadecimal
1de1a6c49
20
Vigesimal
656cf255
36
Base36
3onn13d
md5
0fb2a82c79ab5b27c5b4d5a276c46400
sha1
99252550ad9e71cf623060ff734bf04abdb0ae4e
sha256
b1ed8c17cec49bbd9c55b241a089b2f847f0d55b1afeaf5f0200f1d447aa72c0
sha512
e7435bbd508ff14ef10cba0bf4204245dcf13ccc17f9d413db76f36ba7f4c53e2ec6900e7b11edee6bb3df9cb8ae1011832c7232701b8267d77e80c1bba04132
ripemd-160
e25ddd400a5bade23fe35c96de05e6bb0faf1ed7
Diameter
16042481810
Circumference
50398942999.644
Area
2.0213103157875E+20
Volume
2.1617889315591E+30
Surface area
8.0852412631501E+20
Circumference
50398942999.644
Perimeter
32084963620
Area
6.4340305656045E+19
Diagonal
11343747674.913
Surface area
3.8604183393627E+20
Volume
5.1608909156847E+29
Space diagonal
13893196787.21
Perimeter
24063722715
Area
2.7860169592695E+19
Altitude
6946598393.6049
Surface area
2.7860169592695E+19
Volume
6.0821682724079E+28
Height
3781249224.9709