2129721887 is an odd 10-digits composite number following 2129721886
and preceding 2129721888 . In scientific notation, it is written as 2.129721887 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 2061636192 positive integers (up to 2129721887) that are relatively prime to 2129721887.
2129721887 has 8 divisors, whose sum is 2198392416
The reverse of 2129721887 is 7881279212
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
two billion one hundred twenty-nine million seven hundred twenty-one thousand eight hundred eighty-seven
Scientific notation
2.129721887 × 10^9
Engineering notation
2.129721887 × 10^9
Prime Factorization
37 × 197 × 292183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2129721887
Product of the distinct prime numbers
The prime factorization of 2129721887 is 37 × 197 × 292183.
Since it has a total of 3 prime factors.
9 , 7 , 3 , 59 , 586 , 401 , 6947 , 7217 , 97869 , 45360 , 23419 , 118881 , 6555939 , 3350912 , 9951941 , 95244384 , 257213222 , 942505848 , 4271032414 , 4475446583
n×2
4259443774
n×3
6389165661
n×4
8518887548
n×5
10648609435
n÷2
1064860943.5
n÷3
709907295.66667
n÷3
532430471.75
n÷5
425944377.4
n2
4535715315966840769
n3
9.6598121816157E+27
n4
2.0572713427496E+37
n5
4.3814158061517E+46
2 √n
46148.909922121
3 √n
1286.5923497827
4 √n
214.82297345051
5 √n
73.39467958181
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
-2129721886
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 2129721887 can be divided by 8 positive divisors.
The sum of these divisors (counting 2129721887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110111100001111101000011111
3
Ternary
12111102110002012102
4
Quaternary
1332330033220133
5
Quinary
13330202100022
6
Senary
551155155315
8
Octal
17674175037
10
Decimal
2129721887
12
Duodecimal
4b52a5b3b
16
Hexadecimal
7ef0fa1f
20
Vigesimal
1d5af4e7
36
Base36
z7zbxb
md5
377c54e7ce98e533c464c7d30dc35d89
sha1
b2843e54336dc643b7a5888cc76ed17f2cda458c
sha256
483d67acf42c85acea772a454b5bc76d66e142eccbd32b34f671d33b4135ccd1
sha512
7a2df024b731334e276ca4ad14928b362bbce3aa9d119a6077498b8e9bef96317f0ffe38d58c8f8d8d2a31c820865eaeac27a0f5c0984a183334d241e6f630f2
ripemd-160
d9cefdf42d5042a098f5776e638512e25c0defd2
Diameter
4259443774
Circumference
13381437268.777
Area
1.4249369915416E+19
Volume
4.0462926646428E+28
Surface area
5.6997479661665E+19
Circumference
13381437268.777
Perimeter
8518887548
Area
4535715315966840769
Diagonal
3011881576.6782
Surface area
2.7214291895801E+19
Volume
9.6598121816157E+27
Space diagonal
3688786514.2755
Perimeter
6389165661
Area
1.9640223439807E+18
Altitude
1844393257.1377
Surface area
1.9640223439807E+18
Volume
1.1384197831015E+27
Height
1003960525.5594