8201993981 is an odd 10-digits composite number following 8201993980
and preceding 8201993982 . In scientific notation, it is written as 8.201993981 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 7697721600 positive integers (up to 8201993981) that are relatively prime to 8201993981.
8201993981 has 16 divisors, whose sum is 8723739648
The reverse of 8201993981 is 1893991028
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
eight billion two hundred one million nine hundred ninety-three thousand nine hundred eighty-one
Scientific notation
8.201993981 × 10^9
Engineering notation
8.201993981 × 10^9
Prime Factorization
37 × 31 × 311 × 22993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8201993981
Product of the distinct prime numbers
The prime factorization of 8201993981 is 37 × 31 × 311 × 22993.
Since it has a total of 4 prime factors.
8 , 5 , 37 , 100 , 816 , 654 , 2004 , 9778 , 7455 , 43522 , 500930 , 403687 , 7329005 , 7482367 , 41791182 , 74072099 , 274283910 , 35905972 , 7645173726 , 1589527992
n×2
16403987962
n×3
24605981943
n×4
32807975924
n×5
41009969905
n÷2
4100996990.5
n÷3
2733997993.6667
n÷3
2050498495.25
n÷5
1640398796.2
n2
6.727270526436E+19
n3
5.5177032366387E+29
n4
4.5256168735855E+39
n5
3.711908235746E+49
2 √n
90564.860630379
3 √n
2016.6931140792
4 √n
300.93996183687
5 √n
96.113388627203
1 , 31 , 37 , 311 , 1147 , 9641 , 11507 , 22993 , 356717 , 712783 , 850741 , 7150823 , 26372971 , 221675513 , 264580451 , 8201993981
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
-8201993980
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 8201993981 can be divided by 16 positive divisors.
The sum of these divisors (counting 8201993981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000111000000111111011111101
3
Ternary
210011121111110112212
4
Quaternary
13220320013323331
5
Quinary
113244202301411
6
Senary
3433513110205
8
Octal
75070077375
10
Decimal
8201993981
12
Duodecimal
170a9b8365
16
Hexadecimal
1e8e07efd
20
Vigesimal
683294j1
36
Base36
3rn9725
md5
c52907b9439d48b4c76ef64fd930bc99
sha1
b5a394d1794267d8ef144b9c458e3f7430885621
sha256
591d8b2e56569c86d9498d8ce334c896e2052ed20081d1eb535f504750b037c1
sha512
e21c7a52d5f04d1f12b8bb9829c8ab79d9d4df977311e2fcfdb52935623c1f8bde18c39abb117943d5322f51a0f1702be5dba35581f291cfeea4519c9b2f0c5a
ripemd-160
84161f7f89beaecc39f98446d1c3b527a4415d27
Diameter
16403987962
Circumference
51534648070.995
Area
2.1134343664563E+20
Volume
2.311250127055E+30
Surface area
8.453737465825E+20
Circumference
51534648070.995
Perimeter
32807975924
Area
6.727270526436E+19
Diagonal
11599371126.433
Surface area
4.0363623158616E+20
Volume
5.5177032366387E+29
Space diagonal
14206270298.466
Perimeter
24605981943
Area
2.912993587012E+19
Altitude
7103135149.2331
Surface area
2.912993587012E+19
Volume
6.502675625337E+28
Height
3866457042.1442