7987431386 is an even 10-digits composite number following 7987431385
and preceding 7987431387 . In scientific notation, it is written as 7.987431386 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 3630650620 positive integers (up to 7987431386) that are relatively prime to 7987431386.
7987431386 has 8 divisors, whose sum is 13070342304
The reverse of 7987431386 is 6831347897
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
seven billion nine hundred eighty-seven million four hundred thirty-one thousand three hundred eighty-six
Scientific notation
7.987431386 × 10^9
Engineering notation
7.987431386 × 10^9
Prime Factorization
2 × 11 × 363065063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7987431386
Product of the distinct prime numbers
The prime factorization of 7987431386 is 2 × 11 × 363065063.
Since it has a total of 3 prime factors.
4 , 8 , 66 , 85 , 644 , 934 , 4589 , 1154 , 14796 , 8351 , 24437 , 949433 , 355097 , 7239215 , 68296211 , 33351699 , 820027427 , 354345695 , 8389987770 , 2017822370
n×2
15974862772
n×3
23962294158
n×4
31949725544
n×5
39937156930
n÷2
3993715693
n÷3
2662477128.6667
n÷3
1996857846.5
n÷5
1597486277.2
n2
6.3799060146058E+19
n3
5.0959061540792E+29
n4
4.0703200755203E+39
n5
3.2511402322277E+49
2 √n
89372.430793842
3 √n
1998.9520665136
4 √n
298.95222159041
5 √n
95.605181013256
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
-7987431385
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 7987431386 can be divided by 8 positive divisors.
The sum of these divisors (counting 7987431386) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100000101101000011111011010
3
Ternary
202121122202120000002
4
Quaternary
13130011220133122
5
Quinary
112324240301021
6
Senary
3400330213002
8
Octal
73405503732
10
Decimal
7987431386
12
Duodecimal
166ab84162
16
Hexadecimal
1dc1687da
20
Vigesimal
64g18i96
36
Base36
3o3idi2
md5
167076ec4c41833ff76c5d0d2ffecc04
sha1
e668ace4969ddea2c2696a6b69fd569c1ad5f255
sha256
0f6402d4d9fa074248d5117c33611d7655d62fec44677a4cb0e91e11d7280110
sha512
5ff57b120ef51cd3b43153992f5c23e6704fb5102897aba645b58e4bcb510f213db0cd755d1ae37131a2e6be0b541781b1f408f6e3bb9e5c843e2736f695970b
ripemd-160
0a7bee1529dc67dbf62bccc0b76ef3d6b8c7956d
Diameter
15974862772
Circumference
50186511526.62
Area
2.0043065866079E+20
Volume
2.1345681782718E+30
Surface area
8.0172263464316E+20
Circumference
50186511526.62
Perimeter
31949725544
Area
6.3799060146058E+19
Diagonal
11295933794.606
Surface area
3.8279436087635E+20
Volume
5.0959061540792E+29
Space diagonal
13834636982.522
Perimeter
23962294158
Area
2.7625803412029E+19
Altitude
6917318491.2611
Surface area
2.7625803412029E+19
Volume
6.0055829963995E+28
Height
3765311264.8686