21000826 is an even 8-digits composite number following 21000825
and preceding 21000827 . In scientific notation, it is written as 2.1000826 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors.
There are 7675200 positive integers (up to 21000826) that are relatively prime to 21000826.
21000826 has 32 divisors, whose sum is 37231488
The reverse of 21000826 is 62800012
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eight hundred twenty-six
Scientific notation
2.1000826 × 10^7
Engineering notation
2.1000826 × 10^6
Prime Factorization
2 × 341 × 7 × 53 × 83
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21000826
Product of the distinct prime numbers
The prime factorization of 21000826 is 2 × 341 × 7 × 53 × 83.
Since it has a total of 5 prime factors.
2 , 1 , 58 , 94 , 32 , 456 , 4129 , 8392 , 81145 , 70776 , 70515 , 791743 , 6048822 , 9553290 , 78351978 , 60229584 , 896279290 , 462184061 , 118467486 , 8721291424
n×2
42001652
n×3
63002478
n×4
84003304
n×5
105004130
n÷2
10500413
n÷3
7000275.3333333
n÷3
5250206.5
n÷5
4200165.2
n2
441034692682276
n3
9.262092840984E+21
n4
1.9451160014935E+29
n5
4.0849042697181E+36
2 √n
4582.6658180583
3 √n
275.89603484683
4 √n
67.695389932094
5 √n
29.137163792708
1 , 2 , 7 , 14 , 53 , 83 , 106 , 166 , 341 , 371 , 581 , 682 , 742 , 1162 , 2387 , 4399 , 4774 , 8798 , 18073 , 28303 , 30793 , 36146 , 56606 , 61586 , 126511 , 198121 , 253022 , 396242 , 1500059 , 3000118 , 10500413 , 21000826
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000825
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000826 can be divided by 32 positive divisors.
The sum of these divisors (counting 21000826) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000111001001111010
3
Ternary
1110111221201101
4
Quaternary
1100013021322
5
Quinary
20334011301
6
Senary
2030042014
8
Octal
120071172
10
Decimal
21000826
12
Duodecimal
704930a
16
Hexadecimal
140727a
20
Vigesimal
6b5216
36
Base36
ci4ca
md5
b73f1c8f7d92fd0e1f4c518ae7c7b9c6
sha1
3e7c79bd7868d8eb0e1c987d47747546a7857af9
sha256
762b64761cbde3770dd297ecdc29fba99f5cc65e421ec9e06651128f3e45d7f7
sha512
38c3289c6990d34f0977c7ccd084c5eadb4214319d586bf4a986841ec4d28e9c4c57ddaef91f7ffe2aee7ef9822d9a71cca1a3de0b998523a4359faf330dcc65
ripemd-160
d43c7c0c05526741178225bd26d4f9ac94d0cc76
Diameter
42001652
Circumference
131952081.36184
Area
1.3855513505089E+15
Volume
3.8796963768136E+22
Surface area
5.5422054020355E+15
Circumference
131952081.36184
Perimeter
84003304
Area
441034692682276
Diagonal
29699652.950238
Surface area
2646208156093656
Volume
9.262092840984E+21
Space diagonal
36374497.632913
Perimeter
63002478
Area
1.9097362390656E+14
Altitude
18187248.816457
Surface area
1.9097362390656E+14
Volume
1.0915481093065E+21
Height
9899884.3167458