21000289 is an odd 8-digits composite number following 21000288
and preceding 21000290 . In scientific notation, it is written as 2.1000289 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20991124 positive integers (up to 21000289) that are relatively prime to 21000289.
21000289 has 4 divisors, whose sum is 21009456
The reverse of 21000289 is 98200012
Previous prime number is 4523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred eighty-nine
Scientific notation
2.1000289 × 10^7
Engineering notation
2.1000289 × 10^6
Prime Factorization
4523 × 4643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21000289
Product of the distinct prime numbers
The prime factorization of 21000289 is 4523 × 4643.
Since it has a total of 2 prime factors.
2 , 8 , 75 , 39 , 518 , 547 , 7207 , 4859 , 40997 , 4874 , 937551 , 521519 , 5798707 , 7432069 , 93727236 , 98978777 , 516866442 , 112245170 , 2370095676 , 1860149927
n×2
42000578
n×3
63000867
n×4
84001156
n×5
105001445
n÷2
10500144.5
n÷3
7000096.3333333
n÷3
5250072.25
n÷5
4200057.8
n2
441012138083521
n3
9.2613823522618E+21
n4
1.94491705937E+29
n5
4.08438203278E+36
2 √n
4582.6072273325
3 √n
275.89368323403
4 √n
67.694957178009
5 √n
29.137014781264
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
-21000288
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 21000289 can be divided by 4 positive divisors.
The sum of these divisors (counting 21000289) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111000001100001
3
Ternary
1110111220222111
4
Quaternary
1100013001201
5
Quinary
20334002124
6
Senary
2030035321
8
Octal
120070141
10
Decimal
21000289
12
Duodecimal
7048b41
16
Hexadecimal
1407061
20
Vigesimal
6b50e9
36
Base36
ci3xd
md5
a2064db8d4f671d2f1f5334b256e91a7
sha1
6b604b5b360765a3293632e39de9fab3d9909d7f
sha256
bc49f5d8967a6c06746ce652eb358c67b034e6f5c7dc12f0de877bbe08830c41
sha512
62536a970053c2d191db785d711ae0466c375a3ffdf425e786c5b0f621f81fa4799ccd979721c976dd27b9c24117344608175dea3c82767ba528978abea4c2de
ripemd-160
1b61b0e0bd1bdfee93258a66bcf10448fea8d2f4
Diameter
42000578
Circumference
131948707.29133
Area
1.3854804931471E+15
Volume
3.8793987679936E+22
Surface area
5.5419219725885E+15
Circumference
131948707.29133
Perimeter
84001156
Area
441012138083521
Diagonal
29698893.517555
Surface area
2646072828501126
Volume
9.2613823522618E+21
Space diagonal
36373567.52163
Perimeter
63000867
Area
1.9096385747881E+14
Altitude
18186783.760815
Surface area
1.9096385747881E+14
Volume
1.0914643774076E+21
Height
9899631.1725182