20120705 is an odd 8-digits composite number following 20120704
and preceding 20120706 . In scientific notation, it is written as 2.0120705 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 14160000 positive integers (up to 20120705) that are relatively prime to 20120705.
20120705 has 16 divisors, whose sum is 27191808
The reverse of 20120705 is 50702102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty thousand seven hundred five
Scientific notation
2.0120705 × 10^7
Engineering notation
2.0120705 × 10^6
Prime Factorization
5 × 11 × 31 × 11801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20120705
Product of the distinct prime numbers
The prime factorization of 20120705 is 5 × 11 × 31 × 11801.
Since it has a total of 4 prime factors.
3 , 2 , 23 , 92 , 645 , 333 , 1840 , 6694 , 16379 , 87761 , 820406 , 194807 , 325645 , 9652697 , 62416185 , 67154350 , 635917453 , 877628284 , 7128771086 , 5319366911
n×2
40241410
n×3
60362115
n×4
80482820
n×5
100603525
n÷2
10060352.5
n÷3
6706901.6666667
n÷3
5030176.25
n÷5
4024141
n2
404842769697025
n3
8.1457219404568E+21
n4
1.6389766817596E+29
n5
3.2977366315563E+36
2 √n
4485.6108837036
3 √n
271.98673972986
4 √n
66.9747033118
5 √n
28.888742560952
1 , 5 , 11 , 31 , 55 , 155 , 341 , 1705 , 11801 , 59005 , 129811 , 365831 , 649055 , 1829155 , 4024141 , 20120705
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
-20120704
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 20120705 can be divided by 16 positive divisors.
The sum of these divisors (counting 20120705) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000010010000001
3
Ternary
1101212020102022
4
Quaternary
1030300102001
5
Quinary
20122330310
6
Senary
1555131225
8
Octal
114602201
10
Decimal
20120705
12
Duodecimal
68a3b15
16
Hexadecimal
1330481
20
Vigesimal
65f1f5
36
Base36
bz98h
md5
54b15f0483cbbe98085745a357478132
sha1
3d515100ec67cb0faa7d6a44366394507721e194
sha256
a1df6568d4fc3b606ff632e8e2205ea0ec00d6ddf62df0a37087ad147d359d38
sha512
7d7d256fb95c978ed5259033d3dab67dbd08a964be7d8058b4032359e8392243fffb850db393b2191e837020bdca88d2cfa1a22c63ba37be6b720f28273a5ba0
ripemd-160
ab8191c1ecf1dd9ce5194324ecc18ec7cae12f0e
Diameter
40241410
Circumference
126422118.02609
Area
1.2718510711391E+15
Volume
3.4120720275099E+22
Surface area
5.0874042845565E+15
Circumference
126422118.02609
Perimeter
80482820
Area
404842769697025
Diagonal
28454973.895508
Surface area
2429056618182150
Volume
8.1457219404568E+21
Space diagonal
34850083.344105
Perimeter
60362115
Area
1.7530206154804E+14
Altitude
17425041.672053
Surface area
1.7530206154804E+14
Volume
9.5998253695951E+20
Height
9484991.2985027