20121506 is an even 8-digits composite number following 20121505
and preceding 20121507 . In scientific notation, it is written as 2.0121506 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 9248064 positive integers (up to 20121506) that are relatively prime to 20121506.
20121506 has 16 divisors, whose sum is 32703264
The reverse of 20121506 is 60512102
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty-one thousand five hundred six
Scientific notation
2.0121506 × 10^7
Engineering notation
2.0121506 × 10^6
Prime Factorization
2 × 17 × 43 × 13763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121506
Product of the distinct prime numbers
The prime factorization of 20121506 is 2 × 17 × 43 × 13763.
Since it has a total of 4 prime factors.
5 , 5 , 46 , 12 , 881 , 995 , 409 , 7429 , 21799 , 88431 , 367714 , 657054 , 8981348 , 5504934 , 89212600 , 26234790 , 394637470 , 657524148 , 124060475 , 7629625509
n×2
40243012
n×3
60364518
n×4
80486024
n×5
100607530
n÷2
10060753
n÷3
6707168.6666667
n÷3
5030376.5
n÷5
4024301.2
n2
404875003708036
n3
8.1466948163613E+21
n4
1.6392376862758E+29
n5
3.2983930939825E+36
2 √n
4485.7001683126
3 √n
271.99034892227
4 √n
66.975369863201
5 √n
28.888972567946
1 , 2 , 17 , 34 , 43 , 86 , 731 , 1462 , 13763 , 27526 , 233971 , 467942 , 591809 , 1183618 , 10060753 , 20121506
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
-20121505
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 20121506 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121506) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000011110100010
3
Ternary
1101212021111222
4
Quaternary
1030300132202
5
Quinary
20122342011
6
Senary
1555135042
8
Octal
114603642
10
Decimal
20121506
12
Duodecimal
68a4482
16
Hexadecimal
13307a2
20
Vigesimal
65f3f6
36
Base36
bz9uq
md5
64f152beb013c7a05b68a3a947c09f98
sha1
b52afa4ea6093b4412f1294c9abfc5e9eae72f8a
sha256
799f034fb7d4b6b794332fb2d26fa72b46081104eb60b40dd924f43f22b4aff0
sha512
2db0fa4f68f7357e765ea81b6b014acd16ec11df6e620f4b353691c809aa228cb2396d445875a0a27736438337b5c9feb856ce917801020e47c17585effbc0cc
ripemd-160
14814082fb29348816b67f48450f0eff74e6bea4
Diameter
40243012
Circumference
126427150.85753
Area
1.2719523372713E+15
Volume
3.4124795448158E+22
Surface area
5.0878093490852E+15
Circumference
126427150.85753
Perimeter
80486024
Area
404875003708036
Diagonal
28456106.680572
Surface area
2429250022248216
Volume
8.1466948163613E+21
Space diagonal
34851470.716802
Perimeter
60364518
Area
1.7531601928424E+14
Altitude
17425735.358401
Surface area
1.7531601928424E+14
Volume
9.6009719148439E+20
Height
9485368.8935239