7138512721 is an odd 10-digits composite number following 7138512720
and preceding 7138512722 . In scientific notation, it is written as 7.138512721 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 6716892480 positive integers (up to 7138512721) that are relatively prime to 7138512721.
7138512721 has 8 divisors, whose sum is 7560346464
The reverse of 7138512721 is 1272158317
Previous prime number is 4091
Is Prime? no Number parity odd Number length 10 Sum of Digits 37 Digital Root 1
Name
seven billion one hundred thirty-eight million five hundred twelve thousand seven hundred twenty-one
Scientific notation
7.138512721 × 10^9
Engineering notation
7.138512721 × 10^9
Prime Factorization
17 × 4091 × 102643
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
7138512721 Product of the distinct prime numbers
The prime factorization of 7138512721 is 17 × 4091 × 102643.
Since it has a total of 3 prime factors.
8 , 2 , 18 , 46 , 43 , 414 , 7661 , 5998 , 13512 , 28808 , 235281 , 17459 , 1733265 , 5094450 , 53571859 , 5410379 , 834400036 , 662053503 , 4428588559 , 6658484856
n×2
14277025442
n×3
21415538163
n×4
28554050884
n×5
35692563605
n÷2
3569256360.5
n÷3
2379504240.3333
n÷3
1784628180.25
n÷5
1427702544.2
n2
5.0958363867879E+19
n3
3.637669287122E+29
n4
2.5967548480911E+39
n5
1.8536967516417E+49
2 √n84489.719617241
3 √n1925.4662587669
4 √n290.6711537412
5 √n93.48061212523
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7138512720 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7138512721 can be divided by 8 positive divisors.
The sum of these divisors (counting 7138512721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101001011111010000111101010001
3
Ternary
200102111101000112001
4
Quaternary
12221133100331101
5
Quinary
104104424401341
6
Senary
3140203034001
8
Octal
65137207521
10
Decimal
7138512721
12
Duodecimal
147280b901
16
Hexadecimal
1a97d0f51
20
Vigesimal
5bafe1g1
36
Base36
3a233o1
md5
f60ceaf9d5f782e763083ba57a9128c3
sha1
f6c8c933a36988ac69e128d16b9f0446c0ed5315
sha256
0f7480b7f2601d2980c530eb554f4d28e7c245944917ab8730bf969f0beeee39
sha512
4badaf57bd97c05909ac81162bfe9d276460d33a19801fb560bc19fa2b7e7f918b71b4bfa48865206e032f117647e8285673227da84740c4e616e9ae16aac1ad
ripemd-160
7f55e19ee0e77e8d73f6f512f565da8886f33beb
Diameter
14277025442
Circumference
44852598243.702
Area
1.6009042156628E+20
Volume
1.5237433478149E+30
Surface area
6.4036168626513E+20
Circumference
44852598243.702
Perimeter
28554050884
Area
5.0958363867879E+19
Diagonal
10095381505.211
Surface area
3.0575018320727E+20
Volume
3.637669287122E+29
Space diagonal
12364266723.249
Perimeter
21415538163
Area
2.2065618822437E+19
Altitude
6182133361.6244
Surface area
2.2065618822437E+19
Volume
4.28703436773E+28
Height
3365127168.4037