2120765981 is an odd 10-digits composite number following 2120765980
and preceding 2120765982 . In scientific notation, it is written as 2.120765981 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 2092603968 positive integers (up to 2120765981) that are relatively prime to 2120765981.
2120765981 has 8 divisors, whose sum is 2148961920
The reverse of 2120765981 is 1895670212
Previous prime number is 1777
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
two billion one hundred twenty million seven hundred sixty-five thousand nine hundred eighty-one
Scientific notation
2.120765981 × 10^9
Engineering notation
2.120765981 × 10^9
Prime Factorization
79 × 1777 × 15107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2120765981
Product of the distinct prime numbers
The prime factorization of 2120765981 is 79 × 1777 × 15107.
Since it has a total of 3 prime factors.
9 , 2 , 66 , 98 , 731 , 428 , 6045 , 3401 , 73433 , 62159 , 749472 , 67946 , 8026956 , 1548628 , 93036809 , 20125273 , 48725586 , 498981121 , 9971998341 , 5514617071
n×2
4241531962
n×3
6362297943
n×4
8483063924
n×5
10603829905
n÷2
1060382990.5
n÷3
706921993.66667
n÷3
530191495.25
n÷5
424153196.2
n2
4497648346166892361
n3
9.5384596070517E+27
n4
2.0228840645778E+37
n5
4.2900637076636E+46
2 √n
46051.775003793
3 √n
1284.7863566048
4 √n
214.59677305075
5 √n
73.332847629856
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
-2120765980
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 2120765981 can be divided by 8 positive divisors.
The sum of these divisors (counting 2120765981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110011010000101001000011101
3
Ternary
12110210121002000012
4
Quaternary
1332122011020131
5
Quinary
13320404002411
6
Senary
550235213005
8
Octal
17632051035
10
Decimal
2120765981
12
Duodecimal
4b22a7165
16
Hexadecimal
7e68521d
20
Vigesimal
1d2efej1
36
Base36
z2ndi5
md5
df1f922cf2f93f5702f2fe55bc13ff45
sha1
55fbf1c54da4261b4ede993d4976fbc4cd62ae17
sha256
0baacf33b3867bf2c33021c1e489b6f6769d5c30bd80a0c35a2fa612fa65a196
sha512
0dfb2ffe0ee61fc7fe6e4ed2785e860f3790a3a9e6212f25b7a3cf0f9c8f160f4282aa097b9cdbdd784765e73c3f195f24d6f7f820dcc94bc0c63045d567130e
ripemd-160
2e995890e2d0ae223f779c63bc3d583a0369c1bd
Diameter
4241531962
Circumference
13325165651.786
Area
1.4129779002748E+19
Volume
3.9954606170769E+28
Surface area
5.6519116010993E+19
Circumference
13325165651.786
Perimeter
8483063924
Area
4497648346166892361
Diagonal
2999216012.9497
Surface area
2.6985890077001E+19
Volume
9.5384596070517E+27
Space diagonal
3673274430.0557
Perimeter
6362297943
Area
1.9475388625348E+18
Altitude
1836637215.0278
Surface area
1.9475388625348E+18
Volume
1.1241182450367E+27
Height
999738670.98323