7129121685 is an odd 10-digits composite number following 7129121684
and preceding 7129121686 . In scientific notation, it is written as 7.129121685 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 3259027008 positive integers (up to 7129121685) that are relatively prime to 7129121685.
7129121685 has 8 divisors, whose sum is 9777081312
The reverse of 7129121685 is 5861219217
Previous prime number is 35
Is Prime? no Number parity odd Number length 10 Sum of Digits 42 Digital Root 6
Name
seven billion one hundred twenty-nine million one hundred twenty-one thousand six hundred eighty-five
Scientific notation
7.129121685 × 10^9
Engineering notation
7.129121685 × 10^9
Prime Factorization
3 × 35 × 67896397
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
7129121685 Product of the distinct prime numbers
The prime factorization of 7129121685 is 3 × 35 × 67896397.
Since it has a total of 3 prime factors.
4 , 4 , 72 , 18 , 526 , 254 , 7259 , 5367 , 9333 , 65637 , 69659 , 87447 , 5821267 , 2566811 , 87682627 , 14939688 , 909067231 , 164172288 , 9190469570 , 5271240345
n×2
14258243370
n×3
21387365055
n×4
28516486740
n×5
35645608425
n÷2
3564560842.5
n÷3
2376373895
n÷3
1782280421.25
n÷5
1425824337
n2
5.0824375999537E+19
n3
3.6233316106489E+29
n4
2.5831171957423E+39
n5
1.8415356815063E+49
2 √n84434.126305659
3 √n1924.6215422859
4 √n290.575508785
5 √n93.456003578624
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
-7129121684 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 7129121685 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129121685) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111011011100001110010101
3
Ternary
200101211200220102220
4
Quaternary
12220323130032111
5
Quinary
104100023343220
6
Senary
3135225452553
8
Octal
65073341625
10
Decimal
7129121685
12
Duodecimal
146b641159
16
Hexadecimal
1a8edc395
20
Vigesimal
5b7h0445
36
Base36
39whthx
md5
d2bcec0a023e5dbdceaa9dd8390f2790
sha1
31ba5ee033524c9404772f4e45673211dd350119
sha256
68837ee6ee52f4026ace0f63d24984941ba2e6295f93b1acf1e7c2ee4ea5ba21
sha512
cd223c792323a19ddca9b38097ff9c3b911ca258aed44416125b0cad410b8517c4a8b02bfc707f352867c9f6e5100cf16ac24356a2c0c6a8630cc36c8dd7ecf7
ripemd-160
38b6ed3b4a30f3b4d97831a3c6e267a1ff59dc60
Diameter
14258243370
Circumference
44793592624.287
Area
1.5966948626343E+20
Volume
1.5177375959379E+30
Surface area
6.3867794505373E+20
Circumference
44793592624.287
Perimeter
28516486740
Area
5.0824375999537E+19
Diagonal
10082100574.735
Surface area
3.0494625599722E+20
Volume
3.6233316106489E+29
Space diagonal
12348000971.761
Perimeter
21387365055
Area
2.2007600373546E+19
Altitude
6174000485.8805
Surface area
2.2007600373546E+19
Volume
4.2701372539624E+28
Height
3360700191.5784