21000571 is an odd 8-digits composite number following 21000570
and preceding 21000572 . In scientific notation, it is written as 2.1000571 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 20376288 positive integers (up to 21000571) that are relatively prime to 21000571.
21000571 has 8 divisors, whose sum is 21628080
The reverse of 21000571 is 17500012
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million five hundred seventy-one
Scientific notation
2.1000571 × 10^7
Engineering notation
2.1000571 × 10^6
Prime Factorization
37 × 557 × 1019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000571
Product of the distinct prime numbers
The prime factorization of 21000571 is 37 × 557 × 1019.
Since it has a total of 3 prime factors.
2 , 9 , 97 , 86 , 86 , 875 , 2391 , 7107 , 94098 , 39447 , 980577 , 497864 , 2082575 , 6917116 , 19557757 , 51095973 , 258207201 , 401755266 , 9464825507 , 4533749096
n×2
42001142
n×3
63001713
n×4
84002284
n×5
105002855
n÷2
10500285.5
n÷3
7000190.3333333
n÷3
5250142.75
n÷5
4200114.2
n2
441023982326041
n3
9.2617554535408E+21
n4
1.9450215298672E+29
n5
4.0846562734505E+36
2 √n
4582.63799574
3 √n
275.89491816419
4 √n
67.695184435379
5 √n
29.137093033464
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
-21000570
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 21000571 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000571) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000101111011
3
Ternary
1110111221100221
4
Quaternary
1100013011323
5
Quinary
20334004241
6
Senary
2030040511
8
Octal
120070573
10
Decimal
21000571
12
Duodecimal
7049137
16
Hexadecimal
140717b
20
Vigesimal
6b518b
36
Base36
ci457
md5
142b1b7aaaa0b875bcf7ad57ab23791c
sha1
9e04cbb03eac69beb132214758283c32c76df55e
sha256
890b1e4c87050aa2ad3e34b561748c9a3403195d3d14fd051a6b8af7bce4f52c
sha512
7c01161546be1c2e7430a746685db144ce07ecc0a2033b1173913745b451ecaae31628982e660bda075b91b5fd3dd0a2656a45b990835826fa2f00a9de034879
ripemd-160
7a0c7b679551da55972be7647673599d86d424ed
Diameter
42001142
Circumference
131950479.14958
Area
1.3855177029324E+15
Volume
3.8795550522919E+22
Surface area
5.5420708117296E+15
Circumference
131950479.14958
Perimeter
84002284
Area
441023982326041
Diagonal
29699292.325779
Surface area
2646143893956246
Volume
9.2617554535408E+21
Space diagonal
36374055.959958
Perimeter
63001713
Area
1.9096898618627E+14
Altitude
18187027.979979
Surface area
1.9096898618627E+14
Volume
1.091508347815E+21
Height
9899764.108593