2129120821 is an odd 10-digits composite number following 2129120820
and preceding 2129120822 . In scientific notation, it is written as 2.129120821 × 10^9.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 2074465680 positive integers (up to 2129120821) that are relatively prime to 2129120821.
2129120821 has 8 divisors, whose sum is 2184182784
The reverse of 2129120821 is 1280219212
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 28
Digital Root 1
Name
two billion one hundred twenty-nine million one hundred twenty thousand eight hundred twenty-one
Scientific notation
2.129120821 × 10^9
Engineering notation
2.129120821 × 10^9
Prime Factorization
47 × 223 × 203141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2129120821
Product of the distinct prime numbers
The prime factorization of 2129120821 is 47 × 223 × 203141.
Since it has a total of 3 prime factors.
1 , 2 , 93 , 17 , 211 , 4 , 9834 , 7180 , 50652 , 39883 , 441244 , 521923 , 3909527 , 5862594 , 80733548 , 3583228 , 736512769 , 174616321 , 9401109172 , 5431284342
n×2
4258241642
n×3
6387362463
n×4
8516483284
n×5
10645604105
n÷2
1064560410.5
n÷3
709706940.33333
n÷3
532280205.25
n÷5
425824164.2
n2
4533155470415714041
n3
9.6516356968921E+27
n4
2.054949851896E+37
n5
4.3752365157826E+46
2 √n
46142.397217743
3 √n
1286.4713011637
4 √n
214.80781461051
5 √n
73.390536315238
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
-2129120820
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 2129120821 can be divided by 8 positive divisors.
The sum of these divisors (counting 2129120821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110111001111100111000110101
3
Ternary
12111101022112200201
4
Quaternary
1332321330320311
5
Quinary
13330023331241
6
Senary
551134240501
8
Octal
17671747065
10
Decimal
2129120821
12
Duodecimal
4b5056131
16
Hexadecimal
7ee7ce35
20
Vigesimal
1d570211
36
Base36
z7mg51
md5
e030819697de9dfbdde0397a33b55e74
sha1
c92f15cdc38acd54ab9803ae08dd078fc5054f20
sha256
f511801f58615cc6f6d23a2939d82d6f276e0115cf7979941b9427f25089ea34
sha512
12783768392a6c263d2b574ba1b62b8e123a417f9646b5bc50fea48c77daa0b7f49166a3b54c7f45deb35d003d31889000cd86726a1966188e3357f210530d0e
ripemd-160
8e2ac1b4dd6436f5934c8ddcb03823724a7e7722
Diameter
4258241642
Circumference
13377660659.717
Area
1.4241327923438E+19
Volume
4.0428677067308E+28
Surface area
5.6965311693754E+19
Circumference
13377660659.717
Perimeter
8516483284
Area
4533155470415714041
Diagonal
3011031540.9891
Surface area
2.7198932822494E+19
Volume
9.6516356968921E+27
Space diagonal
3687745437.4248
Perimeter
6387362463
Area
1.9629138983422E+18
Altitude
1843872718.7124
Surface area
1.9629138983422E+18
Volume
1.1374561751358E+27
Height
1003677180.3297