7981992009 is an odd 10-digits composite number following 7981992008
and preceding 7981992010 . In scientific notation, it is written as 7.981992009 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 5319309312 positive integers (up to 7981992009) that are relatively prime to 7981992009.
7981992009 has 12 divisors, whose sum is 11533917876
The reverse of 7981992009 is 9002991897
Previous prime number is 2657
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
seven billion nine hundred eighty-one million nine hundred ninety-two thousand nine
Scientific notation
7.981992009 × 10^9
Engineering notation
7.981992009 × 10^9
Prime Factorization
3 × 3 × 2657 × 333793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2660664003
Product of the distinct prime numbers
The prime factorization of 7981992009 is 3 × 3 × 2657 × 333793.
Since it has a total of 4 prime factors.
2 , 7 , 74 , 37 , 499 , 752 , 4239 , 4255 , 7134 , 18502 , 992916 , 894726 , 6644558 , 55823 , 99084843 , 38564449 , 486327606 , 128908027 , 2739411735 , 2466055499
n×2
15963984018
n×3
23945976027
n×4
31927968036
n×5
39909960045
n÷2
3990996004.5
n÷3
2660664003
n÷3
1995498002.25
n÷5
1596398401.8
n2
6.371219643174E+19
n3
5.0855024279399E+29
n4
4.0592439741566E+39
n5
3.2400852964299E+49
2 √n
89341.994655369
3 √n
1998.498206674
4 √n
298.90131256883
5 √n
95.592156191866
1 , 3 , 9 , 2657 , 7971 , 23913 , 333793 , 1001379 , 3004137 , 886888001 , 2660664003 , 7981992009
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7981992008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7981992009 can be divided by 12 positive divisors.
The sum of these divisors (counting 7981992009) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011011110000111000100001001001
3
Ternary
202121021112012120200
4
Quaternary
13123300320201021
5
Quinary
112321342221014
6
Senary
3400013442413
8
Octal
73360704111
10
Decimal
7981992009
12
Duodecimal
16691a0409
16
Hexadecimal
1dbc38849
20
Vigesimal
64e79009
36
Base36
3o09sg9
md5
50cd42836411403fb315ff12fad3b43f
sha1
379e31c2c0b0b2fd1431b4ccf663f8502ba0384c
sha256
02692324600f6b13cbabbd395f26298c6b7fc11d354bf543fd1b3b787e84c1e4
sha512
86692264de7ea22c7caaeb69630bf92e806eb8f5cab4e0b28aa9ec4985e808164f1f42561790acd000ffb0e54bf0335a77be0762bd18c73daa9539aa71f6d1ce
ripemd-160
0ad56223d1ab328e9304f9b6e43686b35bcfb91e
Diameter
15963984018
Circumference
50152334912.974
Area
2.0015776825402E+20
Volume
2.1302102756572E+30
Surface area
8.006310730161E+20
Circumference
50152334912.974
Perimeter
31927968036
Area
6.371219643174E+19
Diagonal
11288241353.881
Surface area
3.8227317859044E+20
Volume
5.0855024279399E+29
Space diagonal
13825215705.197
Perimeter
23945976027
Area
2.7588190320395E+19
Altitude
6912607852.5984
Surface area
2.7588190320395E+19
Volume
5.9933220875615E+28
Height
3762747117.9605