7129387985 is an odd 10-digits composite number following 7129387984
and preceding 7129387986 . In scientific notation, it is written as 7.129387985 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 5506837504 positive integers (up to 7129387985) that are relatively prime to 7129387985.
7129387985 has 8 divisors, whose sum is 8850274920
The reverse of 7129387985 is 5897839217
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
seven billion one hundred twenty-nine million three hundred eighty-seven thousand nine hundred eighty-five
Scientific notation
7.129387985 × 10^9
Engineering notation
7.129387985 × 10^9
Prime Factorization
5 × 29 × 49168193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7129387985
Product of the distinct prime numbers
The prime factorization of 7129387985 is 5 × 29 × 49168193.
Since it has a total of 3 prime factors.
9 , 6 , 21 , 37 , 135 , 751 , 588 , 6073 , 78726 , 36942 , 6165 , 641941 , 775248 , 8591654 , 72696243 , 76627848 , 430314582 , 599403294 , 1377675096 , 8858172070
n×2
14258775970
n×3
21388163955
n×4
28517551940
n×5
35646939925
n÷2
3564693992.5
n÷3
2376462661.6667
n÷3
1782346996.25
n÷5
1425877597
n2
5.0828173040662E+19
n3
3.623737661756E+29
n4
2.5835031746515E+39
n5
1.841879649257E+49
2 √n
84435.703259936
3 √n
1924.6455059829
4 √n
290.57822227403
5 √n
93.456701756127
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
-7129387984
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 7129387985 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129387985) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111100011101001111010001
3
Ternary
200101212012102201212
4
Quaternary
12220330131033101
5
Quinary
104100110403420
6
Senary
3135235305505
8
Octal
65074351721
10
Decimal
7129387985
12
Duodecimal
146b74b295
16
Hexadecimal
1a8f1d3d1
20
Vigesimal
5b7id9j5
36
Base36
39wniz5
md5
bed7120fb31aaaa0313b09bbe21da3ac
sha1
0a0bbb4a3e24d4cded8f2b878c8cb8fca875dfb3
sha256
d7d90d48f4143197c7eaa09d050f0068b6a5c6a7bbcd8e65a80ee21969e8609d
sha512
96d3dc203bb01e9830c685700e72d66deff65bda4650deb9477bbfa7ed177cb97902411ca0394ed9ce3456ad7a605a2f583a73bfcf5e3d958b3436c24d57841f
ripemd-160
1ca1c671dfa5db7e8261d04db32df154432fedfa
Diameter
14258775970
Circumference
44795265836.535
Area
1.5968141501994E+20
Volume
1.5179076822279E+30
Surface area
6.3872566007974E+20
Circumference
44795265836.535
Perimeter
28517551940
Area
5.0828173040662E+19
Diagonal
10082477179.807
Surface area
3.0496903824397E+20
Volume
3.623737661756E+29
Space diagonal
12348462216.891
Perimeter
21388163955
Area
2.2009244540582E+19
Altitude
6174231108.4455
Surface area
2.2009244540582E+19
Volume
4.2706157897812E+28
Height
3360825726.6023