7981994443 is an odd 10-digits composite number following 7981994442
and preceding 7981994444 . In scientific notation, it is written as 7.981994443 × 10^9.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 7812164728 positive integers (up to 7981994443) that are relatively prime to 7981994443.
7981994443 has 4 divisors, whose sum is 8151824160
The reverse of 7981994443 is 3444991897
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
seven billion nine hundred eighty-one million nine hundred ninety-four thousand four hundred forty-three
Scientific notation
7.981994443 × 10^9
Engineering notation
7.981994443 × 10^9
Prime Factorization
47 × 169829669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7981994443
Product of the distinct prime numbers
The prime factorization of 7981994443 is 47 × 169829669.
Since it has a total of 2 prime factors.
7 , 2 , 71 , 31 , 15 , 883 , 7815 , 8403 , 26520 , 54425 , 233414 , 197490 , 6855401 , 5122128 , 70856302 , 22012055 , 866875248 , 312119687 , 7148663698 , 4814846996
n×2
15963988886
n×3
23945983329
n×4
31927977772
n×5
39909972215
n÷2
3990997221.5
n÷3
2660664814.3333
n÷3
1995498610.75
n÷5
1596398888.6
n2
6.3712235288083E+19
n3
5.0855070802059E+29
n4
4.059248925404E+39
n5
3.2400902365329E+49
2 √n
89342.008277182
3 √n
1998.4984098123
4 √n
298.9013353553
5 √n
95.592162021771
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
-7981994442
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 7981994443 can be divided by 4 positive divisors.
The sum of these divisors (counting 7981994443) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011011110000111001000111001011
3
Ternary
202121021112022220211
4
Quaternary
13123300321013023
5
Quinary
112321342310233
6
Senary
3400013501551
8
Octal
73360710713
10
Decimal
7981994443
12
Duodecimal
16691a18b7
16
Hexadecimal
1dbc391cb
20
Vigesimal
64e79623
36
Base36
3o09ubv
md5
971ed348f12e6b7f2fea1b4cf66a342d
sha1
51c07861c665226d106e0907a7d3a6cba91cc2b1
sha256
88c44ad883b51373bd31631c86419875646d404f8bf2bebfd5c7372b49393c1d
sha512
639f0b05666a1f1e41d310543c943d87387af6e67425378d8ea42b1fe50bc4a6dd628b39c6ba9ff47c145a07efed2648419bd9ffc66ec2399b4946c329db9138
ripemd-160
55303d746843fb8aa86fab5c30255e96b2373415
Diameter
15963988886
Circumference
50152350206.247
Area
2.0015789032483E+20
Volume
2.1302122243938E+30
Surface area
8.006315612993E+20
Circumference
50152350206.247
Perimeter
31927977772
Area
6.3712235288083E+19
Diagonal
11288244796.077
Surface area
3.822734117285E+20
Volume
5.0855070802059E+29
Space diagonal
13825219921.008
Perimeter
23945983329
Area
2.7588207145686E+19
Altitude
6912609960.5042
Surface area
2.7588207145686E+19
Volume
5.9933275703096E+28
Height
3762748265.3591