20006749 is an odd 8-digits composite number following 20006748
and preceding 20006750 . In scientific notation, it is written as 2.0006749 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 16594200 positive integers (up to 20006749) that are relatively prime to 20006749.
20006749 has 12 divisors, whose sum is 24025728
The reverse of 20006749 is 94760002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six thousand seven hundred forty-nine
Scientific notation
2.0006749 × 10^7
Engineering notation
2.0006749 × 10^6
Prime Factorization
7 × 7 × 31 × 13171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2858107
Product of the distinct prime numbers
The prime factorization of 20006749 is 7 × 7 × 31 × 13171.
Since it has a total of 4 prime factors.
8 , 8 , 89 , 60 , 744 , 414 , 4425 , 8839 , 67912 , 92693 , 394995 , 642786 , 5476750 , 308175 , 99798491 , 7620389 , 502787840 , 176046818 , 8898624227 , 8743532976
n×2
40013498
n×3
60020247
n×4
80026996
n×5
100033745
n÷2
10003374.5
n÷3
6668916.3333333
n÷3
5001687.25
n÷5
4001349.8
n2
400270005549001
n3
8.0081015332475E+21
n4
1.602160773422E+29
n5
3.2054028451499E+36
2 √n
4472.8904524927
3 √n
271.47229089987
4 √n
66.879671444264
5 √n
28.855945211676
1 , 7 , 31 , 49 , 217 , 1519 , 13171 , 92197 , 408301 , 645379 , 2858107 , 20006749
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
-20006748
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 20006749 can be divided by 12 positive divisors.
The sum of these divisors (counting 20006749) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010100011101011101
3
Ternary
1101122110002201
4
Quaternary
1030110131131
5
Quinary
20110203444
6
Senary
1552451501
8
Octal
114243535
10
Decimal
20006749
12
Duodecimal
6849b91
16
Hexadecimal
131475d
20
Vigesimal
650gh9
36
Base36
bwtb1
md5
8ff52a0e8ae67eac6465b0ad883ac75c
sha1
42dc7b875abb4ed577574ea5b1c624cfd4dbe0ab
sha256
a8cd227ebd0319ae6b01312f488e1d97697a46a8b2cf0ec332e3a71384667397
sha512
50844124adc908fac5224b56a23ee39b925433da0d23f4087574fc69519f8da0b610e97885099ca4d478d3138106d1963375e5e37e4164db97eff610220415a1
ripemd-160
0e4e09654fb1c2ae343fb322cd70bceb986d6784
Diameter
40013498
Circumference
125706111.36123
Area
1.2574853088851E+15
Volume
3.3544257261402E+22
Surface area
5.0299412355403E+15
Circumference
125706111.36123
Perimeter
80026996
Area
400270005549001
Diagonal
28293815.774794
Surface area
2401620033294006
Volume
8.0081015332475E+21
Space diagonal
34652705.762278
Perimeter
60020247
Area
1.7332199658919E+14
Altitude
17326352.881139
Surface area
1.7332199658919E+14
Volume
9.4376381643161E+20
Height
9431271.9249315