7990390639 is an odd 10-digits composite number following 7990390638
and preceding 7990390640 . In scientific notation, it is written as 7.990390639 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 6226278360 positive integers (up to 7990390639) that are relatively prime to 7990390639.
7990390639 has 8 divisors, whose sum is 9962045568
The reverse of 7990390639 is 9360930997
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
seven billion nine hundred ninety million three hundred ninety thousand six hundred thirty-nine
Scientific notation
7.990390639 × 10^9
Engineering notation
7.990390639 × 10^9
Prime Factorization
7 × 11 × 103771307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7990390639
Product of the distinct prime numbers
The prime factorization of 7990390639 is 7 × 11 × 103771307.
Since it has a total of 3 prime factors.
10 , 1 , 28 , 99 , 736 , 771 , 9551 , 4321 , 8366 , 30850 , 860577 , 56119 , 1417777 , 2982124 , 62855417 , 86554281 , 835984531 , 963481488 , 5189696284 , 885240658
n×2
15980781278
n×3
23971171917
n×4
31961562556
n×5
39951953195
n÷2
3995195319.5
n÷3
2663463546.3333
n÷3
1997597659.75
n÷5
1598078127.8
n2
6.3846342563819E+19
n3
5.1015721795633E+29
n4
4.0763554587765E+39
n5
3.2571672499044E+49
2 √n
89388.984998153
3 √n
1999.1988990782
4 √n
298.97990734856
5 √n
95.61226409133
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
-7990390638
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 7990390639 can be divided by 8 positive divisors.
The sum of these divisors (counting 7990390639) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100010000111010111101101111
3
Ternary
202121212022220100001
4
Quaternary
13130100322331233
5
Quinary
112331020000024
6
Senary
3400513445131
8
Octal
73420727557
10
Decimal
7990390639
12
Duodecimal
166bb707a7
16
Hexadecimal
1dc43af6f
20
Vigesimal
64gjigbj
36
Base36
3o59svj
md5
4bfdb1124c340af8a1be6cd47fbcfea9
sha1
3674628789047501fd9b8283ede3a20883752b78
sha256
3850cc087d39d843f123fe09f5f2f09eb4c2ca4f495923ef3ea4b7aa56e1ab9c
sha512
57cf7eec4c626f9c6aa454ba2f7139555cfdb045edd599619706742aa0ab79d16b2a8bbfe0b6adb68e2fb3895c93645f3f8bbd6ee11e2768cd1615fe36756583
ripemd-160
0a4abed5d1644293292ae41cd567ede5902fb869
Diameter
15980781278
Circumference
50205105061.59
Area
2.0057920075707E+20
Volume
2.1369415574765E+30
Surface area
8.0231680302828E+20
Circumference
50205105061.59
Perimeter
31961562556
Area
6.3846342563819E+19
Diagonal
11300118810.333
Surface area
3.8307805538291E+20
Volume
5.1015721795633E+29
Space diagonal
13839762559.071
Perimeter
23971171917
Area
2.7646277299495E+19
Altitude
6919881279.5354
Surface area
2.7646277299495E+19
Volume
6.0122604714697E+28
Height
3766706270.1109