7129808987 is an odd 10-digits composite number following 7129808986
and preceding 7129808988 . In scientific notation, it is written as 7.129808987 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 6091984512 positive integers (up to 7129808987) that are relatively prime to 7129808987.
7129808987 has 8 divisors, whose sum is 8174060256
The reverse of 7129808987 is 7898089217
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
seven billion one hundred twenty-nine million eight hundred eight thousand nine hundred eighty-seven
Scientific notation
7.129808987 × 10^9
Engineering notation
7.129808987 × 10^9
Prime Factorization
7 × 317 × 3213073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7129808987
Product of the distinct prime numbers
The prime factorization of 7129808987 is 7 × 317 × 3213073.
Since it has a total of 3 prime factors.
3 , 7 , 50 , 24 , 157 , 319 , 3404 , 6203 , 25026 , 56510 , 742165 , 8790 , 7196298 , 6746702 , 67613205 , 25460689 , 541687010 , 688288220 , 6158905436 , 3424161689
n×2
14259617974
n×3
21389426961
n×4
28519235948
n×5
35649044935
n÷2
3564904493.5
n÷3
2376602995.6667
n÷3
1782452246.75
n÷5
1425961797.4
n2
5.0834176191106E+19
n3
3.6243796625409E+29
n4
2.5841134690284E+39
n5
1.8424235434906E+49
2 √n
84438.196256197
3 √n
1924.6833897236
4 √n
290.58251195865
5 √n
93.45780548422
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
-7129808986
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 7129808987 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129808987) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111110000100000001011011
3
Ternary
200101212222211020112
4
Quaternary
12220332010001123
5
Quinary
104100212341422
6
Senary
3135252314535
8
Octal
65076040133
10
Decimal
7129808987
12
Duodecimal
146b912a4b
16
Hexadecimal
1a8f8405b
20
Vigesimal
5b816297
36
Base36
39wwjtn
md5
45465511bc9af0b02be3671735fa90a4
sha1
3e25188e3220b1703064f559e3f7b02ec9f3c83a
sha256
b0649f5050403b917eca72aaa748af88b64d385ba6f5cc7d5af9cdf3296b0027
sha512
0a2b3e2e162b7db01538b28fd6952274bc5c20842523b263ada742a7516c4ba269cbcd0273332b1ad674eca572dfd53122a58e1e1c470260dc23cd12c97f0d7c
ripemd-160
f087760b37a0e5aeb444f06118d5b99ea9f0531f
Diameter
14259617974
Circumference
44797911070.115
Area
1.5970027447327E+20
Volume
1.5181766028878E+30
Surface area
6.3880109789307E+20
Circumference
44797911070.115
Perimeter
28519235948
Area
5.0834176191106E+19
Diagonal
10083072566.545
Surface area
3.0500505714664E+20
Volume
3.6243796625409E+29
Space diagonal
12349191413.745
Perimeter
21389426961
Area
2.2011843980976E+19
Altitude
6174595706.8726
Surface area
2.2011843980976E+19
Volume
4.2713723949621E+28
Height
3361024188.8483