2021698845 is an odd 10-digits composite number following 2021698844
and preceding 2021698846 . In scientific notation, it is written as 2.021698845 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 1078239168 positive integers (up to 2021698845) that are relatively prime to 2021698845.
2021698845 has 8 divisors, whose sum is 2236348800
The reverse of 2021698845 is 5488961202
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
two billion twenty-one million six hundred ninety-eight thousand eight hundred forty-five
Scientific notation
2.021698845 × 10^9
Engineering notation
2.021698845 × 10^9
Prime Factorization
27 × 15 × 4991849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021698845
Product of the distinct prime numbers
The prime factorization of 2021698845 is 27 × 15 × 4991849.
Since it has a total of 3 prime factors.
5 , 10 , 90 , 47 , 476 , 625 , 1112 , 4981 , 15125 , 28129 , 349225 , 537285 , 245908 , 4424301 , 17358960 , 710571 , 20150202 , 982917367 , 5931649564 , 9611481901
n×2
4043397690
n×3
6065096535
n×4
8086795380
n×5
10108494225
n÷2
1010849422.5
n÷3
673899615
n÷3
505424711.25
n÷5
404339769
n2
4087266219874334025
n3
8.2632213959275E+27
n4
1.6705745152126E+37
n5
3.3773985678917E+46
2 √n
44963.305539073
3 √n
1264.4611420707
4 √n
212.0455270433
5 √n
72.634557082691
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
-2021698844
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 2021698845 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021698845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000100000001010110100011101
3
Ternary
12012220011221110000
4
Quaternary
1320200022310131
5
Quinary
13120023330340
6
Senary
532340004513
8
Octal
17040126435
10
Decimal
2021698845
12
Duodecimal
485090739
16
Hexadecimal
7880ad1d
20
Vigesimal
1bbfc725
36
Base36
xfo0t9
md5
afe0d798ff792c1f29e9eace6f0a997d
sha1
6c82d39e79746f81aed00d28313a69be77df7a99
sha256
33f0625b0c75151e465b21ce69330e51a71835cdbb111f7b4acb0f1c3d03d353
sha512
1b8ce3d7e8bd9f12be8eee83af1fafae51a6d8cc35d23f9900857dc22a4ad88bd826f220818bfc09576bcd10f9e118e9bcf041a766dc3f6ee2650c0cb7e6dfca
ripemd-160
8bec4a13a084c00b3c82673b364b5ba757208dbb
Diameter
4043397690
Circumference
12702708478.446
Area
1.2840525529623E+19
Volume
3.4612900843242E+28
Surface area
5.1362102118492E+19
Circumference
12702708478.446
Perimeter
8086795380
Area
4087266219874334025
Diagonal
2859113925.633
Surface area
2.4523597319246E+19
Volume
8.2632213959275E+27
Space diagonal
3501685117.1433
Perimeter
6065096535
Area
1.7698381892206E+18
Altitude
1750842558.5717
Surface area
1.7698381892206E+18
Volume
9.7382998058435E+26
Height
953037975.21101