2129809721 is an odd 10-digits composite number following 2129809720
and preceding 2129809722 . In scientific notation, it is written as 2.129809721 × 10^9.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 1965978192 positive integers (up to 2129809721) that are relatively prime to 2129809721.
2129809721 has 4 divisors, whose sum is 2293641252
The reverse of 2129809721 is 1279089212
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
two billion one hundred twenty-nine million eight hundred nine thousand seven hundred twenty-one
Scientific notation
2.129809721 × 10^9
Engineering notation
2.129809721 × 10^9
Prime Factorization
13 × 163831517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2129809721
Product of the distinct prime numbers
The prime factorization of 2129809721 is 13 × 163831517.
Since it has a total of 2 prime factors.
5 , 9 , 28 , 85 , 18 , 425 , 2273 , 4177 , 25362 , 49544 , 224564 , 255867 , 1960041 , 9139958 , 2691071 , 47088479 , 627778883 , 703369046 , 945806713 , 359717066
n×2
4259619442
n×3
6389429163
n×4
8519238884
n×5
10649048605
n÷2
1064904860.5
n÷3
709936573.66667
n÷3
532452430.25
n÷5
425961944.2
n2
4536089447666097841
n3
9.6610074009648E+27
n4
2.0576107477228E+37
n5
4.382319372534E+46
2 √n
46149.861549088
3 √n
1286.6100367555
4 √n
214.82518834878
5 √n
73.395284960567
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2129809720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2129809721 can be divided by 4 positive divisors.
The sum of these divisors (counting 2129809721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111110111100100101000100111001
3
Ternary
12111102121112200112
4
Quaternary
1332330211010321
5
Quinary
13330212402341
6
Senary
551201114105
8
Octal
17674450471
10
Decimal
2129809721
12
Duodecimal
4b5328935
16
Hexadecimal
7ef25139
20
Vigesimal
1d5b6461
36
Base36
z817p5
md5
c6f1d33ef83373735f497913bc749c2c
sha1
3816b34705457a5b27380ff94e888d0e931a87b3
sha256
f35dbde9e1d5bccbd44209e709a0f730e752f91cc0cba2f8e8a44ee734c1b9b4
sha512
1fcde6856c9795d31d84f952bbdcbf8740496f99ead434efd3e2e3b85d983f12e74cae86255335d7db48360adf9a3dc870e2ca07bcb0f9bb65dd9583cd053047
ripemd-160
c3d73f046b9a0ed8f0829851ce8f88724c76b9f6
Diameter
4259619442
Circumference
13381989146.075
Area
1.4250545284814E+19
Volume
4.046793316953E+28
Surface area
5.7002181139256E+19
Circumference
13381989146.075
Perimeter
8519238884
Area
4536089447666097841
Diagonal
3012005792.7123
Surface area
2.7216536685997E+19
Volume
9.6610074009648E+27
Space diagonal
3688938647.2261
Perimeter
6389429163
Area
1.9641843477587E+18
Altitude
1844469323.613
Surface area
1.9641843477587E+18
Volume
1.1385606410526E+27
Height
1004001930.9041