2129721870 is an even 10-digits composite number following 2129721869
and preceding 2129721871 . In scientific notation, it is written as 2.129721870 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 567925824 positive integers (up to 2129721870) that are relatively prime to 2129721870.
2129721870 has 8 divisors, whose sum is 3407555040
The reverse of 2129721870 is 0781279212
Previous prime number is 15
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
two billion one hundred twenty-nine million seven hundred twenty-one thousand eight hundred seventy
Scientific notation
2.129721870 × 10^9
Engineering notation
2.129721870 × 10^9
Prime Factorization
2 × 15 × 70990729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2129721870
Product of the distinct prime numbers
The prime factorization of 2129721870 is 2 × 15 × 70990729.
Since it has a total of 3 prime factors.
3 , 1 , 95 , 66 , 527 , 528 , 6123 , 5223 , 3585 , 94743 , 530748 , 278484 , 9502653 , 5683900 , 36879320 , 98218433 , 436314403 , 786635613 , 5338330485 , 7836612095
n×2
4259443740
n×3
6389165610
n×4
8518887480
n×5
10648609350
n÷2
1064860935
n÷3
709907290
n÷3
532430467.5
n÷5
425944374
n2
4535715243556296900
n3
9.6598119502942E+27
n4
2.0572712770629E+37
n5
4.3814156312837E+46
2 √n
46148.909737934
3 √n
1286.5923463594
4 √n
214.82297302182
5 √n
73.394679464639
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
-2129721869
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 2129721870 can be divided by 8 positive divisors.
The sum of these divisors (counting 2129721870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110111100001111101000001110
3
Ternary
12111102110002011210
4
Quaternary
1332330033220032
5
Quinary
13330202044440
6
Senary
551155155250
8
Octal
17674175016
10
Decimal
2129721870
12
Duodecimal
4b52a5b26
16
Hexadecimal
7ef0fa0e
20
Vigesimal
1d5af4da
36
Base36
z7zbwu
md5
640e16c9c430363a301f9040792e29a0
sha1
ab4f9695f5e83d308328c486b7e35bbbed26760f
sha256
217c113032f7f9b9aa5eeb9fd2ff49ef1abce9539d55608eee1fd2975bb28b1f
sha512
3b7d00c61f6afba51bad549d918c5c52f9bb9344defefa8e5bc4eabb67d44765a404ca0c459f77ce06e6e50860a300441086512a228877ef38e0d3602a9d994b
ripemd-160
81a4120ff72136d12b26a5dda29cfa43fbee5f3f
Diameter
4259443740
Circumference
13381437161.963
Area
1.4249369687932E+19
Volume
4.0462925677471E+28
Surface area
5.6997478751727E+19
Circumference
13381437161.963
Perimeter
8518887480
Area
4535715243556296900
Diagonal
3011881552.6366
Surface area
2.7214291461338E+19
Volume
9.6598119502942E+27
Space diagonal
3688786484.8306
Perimeter
6389165610
Area
1.964022312626E+18
Altitude
1844393242.4153
Surface area
1.964022312626E+18
Volume
1.13841975584E+27
Height
1003960517.5455