21031083 is an odd 8-digits composite number following 21031082
and preceding 21031084 . In scientific notation, it is written as 2.1031083 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 14020668 positive integers (up to 21031083) that are relatively prime to 21031083.
21031083 has 4 divisors, whose sum is 21290808
The reverse of 21031083 is 38013012
Previous prime number is 81
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million thirty-one thousand eighty-three
Scientific notation
2.1031083 × 10^7
Engineering notation
2.1031083 × 10^6
Prime Factorization
81 × 259643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031083
Product of the distinct prime numbers
The prime factorization of 21031083 is 81 × 259643.
Since it has a total of 2 prime factors.
6 , 5 , 46 , 81 , 444 , 902 , 3763 , 9496 , 41381 , 26870 , 432988 , 91140 , 2325816 , 3776162 , 96558727 , 25688764 , 471331434 , 429863509 , 4913448317 , 3937889853
n×2
42062166
n×3
63093249
n×4
84124332
n×5
105155415
n÷2
10515541.5
n÷3
7010361
n÷3
5257770.75
n÷5
4206216.6
n2
442306452152889
n3
9.3021837066629E+21
n4
1.9563499761608E+29
n5
4.1144158725685E+36
2 √n
4585.9658742734
3 √n
276.028470598
4 √n
67.719759850972
5 √n
29.145554848705
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
-21031082
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 21031083 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031083) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110100010101011
3
Ternary
1110120111020000
4
Quaternary
1100032202223
5
Quinary
20340443313
6
Senary
2030434043
8
Octal
120164253
10
Decimal
21031083
12
Duodecimal
7062923
16
Hexadecimal
140e8ab
20
Vigesimal
6b8he3
36
Base36
ciror
md5
336c85967dcdd253209bc89ebf0ffd23
sha1
96d015faf2db5139d6bb0ba1bea4e89bd2457d22
sha256
c9c1059c8c05757ec1610ae1327bd9f186989e30d08944358ef637592ebc895d
sha512
b5853716d5bdbfc7648eea0da41af4a17fd54b3bd3af34eb34b0162c6f38f9debf685ae758d1db72a20c65142a4eacdb7616860bc4574460b256a542dbd736a4
ripemd-160
f42a3f5b6079114b1fe203b8b5c4637d50679fdd
Diameter
42062166
Circumference
132142191.69967
Area
1.3895467007189E+15
Volume
3.8964895993593E+22
Surface area
5.5581868028755E+15
Circumference
132142191.69967
Perimeter
84124332
Area
442306452152889
Diagonal
29742442.809994
Surface area
2653838712917334
Volume
9.3021837066629E+21
Space diagonal
36426904.294198
Perimeter
63093249
Area
1.9152431191108E+14
Altitude
18213452.147099
Surface area
1.9152431191108E+14
Volume
1.0962728631374E+21
Height
9914147.6033314