20100665 is an odd 8-digits composite number following 20100664
and preceding 20100666 . In scientific notation, it is written as 2.0100665 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 14843520 positive integers (up to 20100665) that are relatively prime to 20100665.
20100665 has 8 divisors, whose sum is 25976328
The reverse of 20100665 is 56600102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred thousand six hundred sixty-five
Scientific notation
2.0100665 × 10^7
Engineering notation
2.0100665 × 10^6
Prime Factorization
5 × 13 × 309241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20100665
Product of the distinct prime numbers
The prime factorization of 20100665 is 5 × 13 × 309241.
Since it has a total of 3 prime factors.
2 , 2 , 80 , 74 , 144 , 797 , 8805 , 7370 , 47105 , 70710 , 942913 , 558242 , 212217 , 1687968 , 23294772 , 37233058 , 965313770 , 934552227 , 8378079170 , 6770576153
n×2
40201330
n×3
60301995
n×4
80402660
n×5
100503325
n÷2
10050332.5
n÷3
6700221.6666667
n÷3
5025166.25
n÷5
4020133
n2
404036733442225
n3
8.1214070266165E+21
n4
1.6324568197066E+29
n5
3.2813467659888E+36
2 √n
4483.3765177598
3 √n
271.89641113799
4 √n
66.958020563334
5 √n
28.882985693266
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20100664
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20100665 can be divided by 8 positive divisors.
The sum of these divisors (counting 20100665) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011011000111001
3
Ternary
1101211012221002
4
Quaternary
1030223120321
5
Quinary
20121210130
6
Senary
1554454345
8
Octal
114533071
10
Decimal
20100665
12
Duodecimal
68943b5
16
Hexadecimal
132b639
20
Vigesimal
65cbd5
36
Base36
bytrt
md5
05db8b9bd440ef9b843acf0cc5152bca
sha1
9d6a75807f710c8778e73e6d4e61f99fe948771c
sha256
2c14dea140e16706320c73948a0cd1fb820be3ef4d0d69c1b6782c836029f88d
sha512
4de78b3c492ab01fa9201378292e3569499508522b7b5153efd1779b5309ae1b38736f780d3cb3cc0a11821c09b7f618a945a01917f7e77bf06e42608b555e8d
ripemd-160
35cfc9f3fcd3d138dcaf351d30c388d207198b60
Diameter
40201330
Circumference
126296202.99254
Area
1.2693188335625E+15
Volume
3.4018870202174E+22
Surface area
5.07727533425E+15
Circumference
126296202.99254
Perimeter
80402660
Area
404036733442225
Diagonal
28426633.055718
Surface area
2424220400653350
Volume
8.1214070266165E+21
Space diagonal
34815373.045921
Perimeter
60301995
Area
1.7495303761152E+14
Altitude
17407686.522961
Surface area
1.7495303761152E+14
Volume
9.5711699688276E+20
Height
9475544.3519061