2021497845 is an odd 10-digits composite number following 2021497844
and preceding 2021497846 . In scientific notation, it is written as 2.021497845 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 1077935040 positive integers (up to 2021497845) that are relatively prime to 2021497845.
2021497845 has 16 divisors, whose sum is 3234988032
The reverse of 2021497845 is 5487941202
Previous prime number is 8191
Is Prime? no Number parity odd Number length 10 Sum of Digits 42 Digital Root 6
Name
two billion twenty-one million four hundred ninety-seven thousand eight hundred forty-five
Scientific notation
2.021497845 × 10^9
Engineering notation
2.021497845 × 10^9
Prime Factorization
3 × 5 × 8191 × 16453
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
2021497845 Product of the distinct prime numbers
The prime factorization of 2021497845 is 3 × 5 × 8191 × 16453.
Since it has a total of 4 prime factors.
5 , 6 , 74 , 15 , 431 , 254 , 4313 , 8596 , 6811 , 69326 , 78234 , 681486 , 279796 , 9357489 , 40999657 , 12985766 , 98321724 , 1683617 , 5451455455 , 4858446640
n×2
4042995690
n×3
6064493535
n×4
8085991380
n×5
10107489225
n÷2
1010748922.5
n÷3
673832615
n÷3
505374461.25
n÷5
404299569
n2
4086453537339644025
n3
8.2607570194247E+27
n4
1.6699102512836E+37
n5
3.3757199743131E+46
2 √n44961.070327562
3 √n1264.4192358766
4 √n212.0402563844
5 √n72.63311274031
1 , 3 , 5 , 15 , 8191 , 16453 , 24573 , 40955 , 49359 , 82265 , 122865 , 246795 , 134766523 , 404299569 , 673832615 , 2021497845
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-2021497844 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021497845 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021497845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000011111011001101111110101
3
Ternary
12012212210201201120
4
Quaternary
1320133121233311
5
Quinary
13120000412340
6
Senary
532331414153
8
Octal
17037315765
10
Decimal
2021497845
12
Duodecimal
484bb4359
16
Hexadecimal
787d9bf5
20
Vigesimal
1bbe74c5
36
Base36
xfjppx
md5
c4bd53038d67f3006284f4c0253cea8d
sha1
7ce66f2b05c7b4681fd5a17161ccfec70f00b289
sha256
04b366c54abac6b1281b31d2224227556631709e0dbd935b880e8857ac120487
sha512
dc66fadd947e115136f72ec82f70b495eb3814aadfaa1d201c6765da123963b99388be7e10130acc4876c4006d1d58f1a9ca76ef12e4ff48c516421cb1246f41
ripemd-160
67b349231d7acc5a063f29baad7a5d3f21a43b97
Diameter
4042995690
Circumference
12701445558.199
Area
1.2837972412142E+19
Volume
3.4602578087087E+28
Surface area
5.1351889648569E+19
Circumference
12701445558.199
Perimeter
8085991380
Area
4086453537339644025
Diagonal
2858829668.707
Surface area
2.4518721224038E+19
Volume
8.2607570194247E+27
Space diagonal
3501336974.931
Perimeter
6064493535
Area
1.7694862873605E+18
Altitude
1750668487.4655
Surface area
1.7694862873605E+18
Volume
9.7353955102827E+26
Height
952943222.90233