21003859 is an odd 8-digits composite number following 21003858
and preceding 21003860 . In scientific notation, it is written as 2.1003859 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 19796000 positive integers (up to 21003859) that are relatively prime to 21003859.
21003859 has 12 divisors, whose sum is 22254480
The reverse of 21003859 is 95830012
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three thousand eight hundred fifty-nine
Scientific notation
2.1003859 × 10^7
Engineering notation
2.1003859 × 10^6
Prime Factorization
29 × 101 × 71 × 101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
207959
Product of the distinct prime numbers
The prime factorization of 21003859 is 29 × 101 × 71 × 101.
Since it has a total of 4 prime factors.
3 , 10 , 82 , 4 , 28 , 770 , 364 , 5054 , 38249 , 48208 , 76970 , 42064 , 9407074 , 1365900 , 25035767 , 26807444 , 248188997 , 639595692 , 3089405251 , 3404105533
n×2
42007718
n×3
63011577
n×4
84015436
n×5
105019295
n÷2
10501929.5
n÷3
7001286.3333333
n÷3
5250964.75
n÷5
4200771.8
n2
441162092891881
n3
9.266106395246E+21
n4
1.9462399220474E+29
n5
4.0878548902856E+36
2 √n
4582.9967270335
3 √n
275.90931610845
4 √n
67.697833990708
5 √n
29.138005358778
1 , 29 , 71 , 101 , 2059 , 2929 , 7171 , 10201 , 207959 , 295829 , 724271 , 21003859
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21003858
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21003859 can be divided by 12 positive divisors.
The sum of these divisors (counting 21003859) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000111111001010011
3
Ternary
1110112002212201
4
Quaternary
1100013321103
5
Quinary
20334110414
6
Senary
2030104031
8
Octal
120077123
10
Decimal
21003859
12
Duodecimal
704b017
16
Hexadecimal
1407e53
20
Vigesimal
6b59cj
36
Base36
ci6oj
md5
711f584b9d274cc81da611d5dc38852b
sha1
0ac356bce85cab2529e253e01bc80dabe2249482
sha256
f6de14293841687d4d63be5766447c3a37eb2cb9c641441ff99476b06b9fca4c
sha512
37111b6550eca9c1bf4e09dd68d27c9bbd2ff8a11c1f74dbf254d01422f94bc8631bc6bf4652721bbd6a25c7bec7ce99b3305afee0752dc2d7cef2234b9e00db
ripemd-160
32514b3264699abd92c80caeceaf984a86f087bd
Diameter
42007718
Circumference
131971138.26287
Area
1.3859515900714E+15
Volume
3.8813775704915E+22
Surface area
5.5438063602857E+15
Circumference
131971138.26287
Perimeter
84015436
Area
441162092891881
Diagonal
29703942.259972
Surface area
2646972557351286
Volume
9.266106395246E+21
Space diagonal
36379750.943013
Perimeter
63011577
Area
1.9102878981554E+14
Altitude
18189875.471506
Surface area
1.9102878981554E+14
Volume
1.0920211112124E+21
Height
9901314.0866574