7938389957 is an odd 10-digits composite number following 7938389956
and preceding 7938389958 . In scientific notation, it is written as 7.938389957 × 10^9.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 7938185580 positive integers (up to 7938389957) that are relatively prime to 7938389957.
7938389957 has 4 divisors, whose sum is 7938594336
The reverse of 7938389957 is 7599838397
Previous prime number is 52147
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
seven billion nine hundred thirty-eight million three hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
7.938389957 × 10^9
Engineering notation
7.938389957 × 10^9
Prime Factorization
52147 × 152231
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7938389957
Product of the distinct prime numbers
The prime factorization of 7938389957 is 52147 × 152231.
Since it has a total of 2 prime factors.
10 , 7 , 14 , 64 , 993 , 792 , 3432 , 5892 , 26804 , 38276 , 506591 , 770611 , 1721586 , 595979 , 69066092 , 87826659 , 941409509 , 951764214 , 4336167605 , 7753042492
n×2
15876779914
n×3
23815169871
n×4
31753559828
n×5
39691949785
n÷2
3969194978.5
n÷3
2646129985.6667
n÷3
1984597489.25
n÷5
1587677991.4
n2
6.3018035109398E+19
n3
5.0026173702232E+29
n4
3.9712727490494E+39
n5
3.1525511707561E+49
2 √n
89097.642825161
3 √n
1994.8525932171
4 √n
298.49228268945
5 √n
95.487491809268
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
-7938389956
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 7938389957 can be divided by 4 positive divisors.
The sum of these divisors (counting 7938389957) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011001001010100011011111000101
3
Ternary
202111020110222210212
4
Quaternary
13121022203133011
5
Quinary
112224211434312
6
Senary
3351415125205
8
Octal
73112433705
10
Decimal
7938389957
12
Duodecimal
1656673805
16
Hexadecimal
1d92a37c5
20
Vigesimal
640eiehh
36
Base36
3nab8w5
md5
9809f14261eec09e2eb07922be1119a6
sha1
6e813c4ebf1968e548a2819a704152b9d6d0421c
sha256
f6e7cf13e690a2f33d74a4a6fa8dfc2ef58b672aabd689bfadaff7bda38f8159
sha512
ea8b388341734e2e7b8132e120b4f8c989fd289ca74e73c0b22b35bf14ec25cc2a2aad22273191d49dd6a8b45d77039820e1b2de9277c32c8f9062ef80c4f3fb
ripemd-160
b9b80f7fb74b0f9bdebd224fe252561387fe46dd
Diameter
15876779914
Circumference
49878375140.484
Area
1.9797699614335E+20
Volume
2.0954914638685E+30
Surface area
7.919079845734E+20
Circumference
49878375140.484
Perimeter
31753559828
Area
6.3018035109398E+19
Diagonal
11226578740.596
Surface area
3.7810821065639E+20
Volume
5.0026173702232E+29
Space diagonal
13749694735.819
Perimeter
23815169871
Area
2.7287609650659E+19
Altitude
6874847367.9093
Surface area
2.7287609650659E+19
Volume
5.8956411102774E+28
Height
3742192913.5319