21031850 is an even 8-digits composite number following 21031849
and preceding 21031851 . In scientific notation, it is written as 2.1031850 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 7210800 positive integers (up to 21031850) that are relatively prime to 21031850.
21031850 has 16 divisors, whose sum is 37497408
The reverse of 21031850 is 05813012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-one thousand eight hundred fifty
Scientific notation
2.1031850 × 10^7
Engineering notation
2.1031850 × 10^6
Prime Factorization
2 × 25 × 7 × 60091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031850
Product of the distinct prime numbers
The prime factorization of 21031850 is 2 × 25 × 7 × 60091.
Since it has a total of 4 prime factors.
6 , 2 , 32 , 19 , 698 , 920 , 6828 , 8004 , 56645 , 17899 , 329464 , 235277 , 4737334 , 8268016 , 57603059 , 97971565 , 715080443 , 359214715 , 4819091212 , 4355897037
n×2
42063700
n×3
63095550
n×4
84127400
n×5
105159250
n÷2
10515925
n÷3
7010616.6666667
n÷3
5257962.5
n÷5
4206370
n2
442338714422500
n3
9.3032014909269E+21
n4
1.9566353827695E+29
n5
4.1151661875101E+36
2 √n
4586.0494982065
3 √n
276.03182612758
4 √n
67.720377274543
5 √n
29.145767432284
1 , 2 , 7 , 14 , 25 , 50 , 175 , 350 , 60091 , 120182 , 420637 , 841274 , 1502275 , 3004550 , 10515925 , 21031850
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
-21031849
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 21031850 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031850) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101110101010
3
Ternary
1110120112021102
4
Quaternary
1100032232222
5
Quinary
20341004400
6
Senary
2030441402
8
Octal
120165652
10
Decimal
21031850
12
Duodecimal
7063262
16
Hexadecimal
140ebaa
20
Vigesimal
6b8jca
36
Base36
cisa2
md5
ddd9a4fb89e8ed3d0a6015e63d4d7c5c
sha1
02102429c3f095e3674a723cf8f93f41ab684f3b
sha256
f6b96f020b7f11109121302c09b78bc3f107e71383a42c6426c991771e8e9201
sha512
2e8a3c07115d95c91bf85729ca048709dc0f1236210ffa740a708bead95c92c78bb195d663e185c3602de0e1eefee965648b26618eb3376bbd0758cc118e132a
ripemd-160
742c0341ef998d53f6bdba008b5fb17f153f4eee
Diameter
42063700
Circumference
132147010.9028
Area
1.3896480556281E+15
Volume
3.8969159278349E+22
Surface area
5.5585922225123E+15
Circumference
132147010.9028
Perimeter
84127400
Area
442338714422500
Diagonal
29743527.511797
Surface area
2654032286535000
Volume
9.3032014909269E+21
Space diagonal
36428232.777167
Perimeter
63095550
Area
1.9153828188362E+14
Altitude
18214116.388584
Surface area
1.9153828188362E+14
Volume
1.0963928101632E+21
Height
9914509.1705989