7138730981 is an odd 10-digits composite number following 7138730980
and preceding 7138730982 . In scientific notation, it is written as 7.138730981 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 7052722092 positive integers (up to 7138730981) that are relatively prime to 7138730981.
7138730981 has 4 divisors, whose sum is 7224739872
The reverse of 7138730981 is 1890378317
Previous prime number is 83
Is Prime? no Number parity odd Number length 10 Sum of Digits 47 Digital Root 2
Name
seven billion one hundred thirty-eight million seven hundred thirty thousand nine hundred eighty-one
Scientific notation
7.138730981 × 10^9
Engineering notation
7.138730981 × 10^9
Prime Factorization
83 × 86008807
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
7138730981 Product of the distinct prime numbers
The prime factorization of 7138730981 is 83 × 86008807.
Since it has a total of 2 prime factors.
6 , 5 , 93 , 23 , 819 , 191 , 4944 , 6228 , 82922 , 52475 , 479572 , 349446 , 1447468 , 8722701 , 98591405 , 19048584 , 158537419 , 486082816 , 1157169728 , 822654306
n×2
14277461962
n×3
21416192943
n×4
28554923924
n×5
35693654905
n÷2
3569365490.5
n÷3
2379576993.6667
n÷3
1784682745.25
n÷5
1427746196.2
n2
5.0961480019089E+19
n3
3.6380029624988E+29
n4
2.597072445736E+39
n5
1.8539801528277E+49
2 √n84491.0112438
3 √n1925.4858822748
4 √n290.67337553309
5 √n93.481183752112
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
-7138730980 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 7138730981 can be divided by 4 positive divisors.
The sum of these divisors (counting 7138730981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101001100000000110001111100101
3
Ternary
200102111210002220202
4
Quaternary
12221200012033211
5
Quinary
104110003342411
6
Senary
3140211440245
8
Octal
65140061745
10
Decimal
7138730981
12
Duodecimal
14728b6085
16
Hexadecimal
1a98063e5
20
Vigesimal
5bah1791
36
Base36
3a27s2t
md5
2e653a03ff11ef4dd054bf05412b2636
sha1
7e6273a8081d4eafccbf1d0bcddd747d5990ca85
sha256
b2981c3488300fe416462ebf5bd05b14896e870e8b3c6645d21cc4eb8d855854
sha512
ecfe585c34366a8634b344c9e1588950cc77fbf8e20bcf5310ff937186171d9d138fce476c8d40b19319a846d12f2f9f2ff8510cfa4e02ccdb3cf9e87f99a6c5
ripemd-160
34e6cde11428a7e6ba95d88e2c2e79e201275a02
Diameter
14277461962
Circumference
44853969611.727
Area
1.6010021124403E+20
Volume
1.5238831174299E+30
Surface area
6.4040084497613E+20
Circumference
44853969611.727
Perimeter
28554923924
Area
5.0961480019089E+19
Diagonal
10095690171.463
Surface area
3.0576888011454E+20
Volume
3.6380029624988E+29
Space diagonal
12364644760.658
Perimeter
21416192943
Area
2.2066968155492E+19
Altitude
6182322380.329
Surface area
2.2066968155492E+19
Volume
4.2874276079328E+28
Height
3365230057.1544