2021512105 is an odd 10-digits composite number following 2021512104
and preceding 2021512106 . In scientific notation, it is written as 2.021512105 × 10^9.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 1617048576 positive integers (up to 2021512105) that are relatively prime to 2021512105.
2021512105 has 8 divisors, whose sum is 2426056200
The reverse of 2021512105 is 5012151202
Previous prime number is 19009
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 19
Digital Root 1
Name
two billion twenty-one million five hundred twelve thousand one hundred five
Scientific notation
2.021512105 × 10^9
Engineering notation
2.021512105 × 10^9
Prime Factorization
5 × 19009 × 21269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021512105
Product of the distinct prime numbers
The prime factorization of 2021512105 is 5 × 19009 × 21269.
Since it has a total of 3 prime factors.
8 , 2 , 69 , 86 , 737 , 908 , 1021 , 335 , 61733 , 61329 , 666420 , 835828 , 6065492 , 2692150 , 20024629 , 8824835 , 126527013 , 416537144 , 2754477494 , 4721909365
n×2
4043024210
n×3
6064536315
n×4
8086048420
n×5
10107560525
n÷2
1010756052.5
n÷3
673837368.33333
n÷3
505378026.25
n÷5
404302421
n2
4086511190661531025
n3
8.2609318391402E+27
n4
1.6699573711402E+37
n5
3.3758390405939E+46
2 √n
44961.228908917
3 √n
1264.4222090145
4 √n
212.04063032569
5 √n
72.633215213362
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
-2021512104
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 2021512105 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021512105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011111011101001110101001
3
Ternary
12012212211110021201
4
Quaternary
1320133131032221
5
Quinary
13120001341410
6
Senary
532332004201
8
Octal
17037351651
10
Decimal
2021512105
12
Duodecimal
485000661
16
Hexadecimal
787dd3a9
20
Vigesimal
1bbe9055
36
Base36
xfk0q1
md5
c6cd661c4e94a3ac54f11250c69306d3
sha1
09902760bf0fa6b3dbab683d80e9abbe5915f4a2
sha256
09f86df6d3c3e949717f092c80e98175ed87c9fb18fb1355e26044bdd86e731d
sha512
230cff6a1802511c4c8ac6cb933adb7cbf8ee78c6f7280a5b646da848310b367b78fa4518483c326e1c69b37d1b63ae74c68033f978c92989c5434b2752c7b61
ripemd-160
1017e9cae1e80bf992b9d00d582bba081e68cb02
Diameter
4043024210
Circumference
12701535156.422
Area
1.2838153535395E+19
Volume
3.4603310370199E+28
Surface area
5.1352614141579E+19
Circumference
12701535156.422
Perimeter
8086048420
Area
4086511190661531025
Diagonal
2858849835.3924
Surface area
2.4519067143969E+19
Volume
8.2609318391402E+27
Space diagonal
3501361673.9755
Perimeter
6064536315
Area
1.7695112519811E+18
Altitude
1750680836.9878
Surface area
1.7695112519811E+18
Volume
9.7356015372932E+26
Height
952949945.13079