20121795 is an odd 8-digits composite number following 20121794
and preceding 20121796 . In scientific notation, it is written as 2.0121795 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 9741312 positive integers (up to 20121795) that are relatively prime to 20121795.
20121795 has 32 divisors, whose sum is 29419200
The reverse of 20121795 is 59712102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-one thousand seven hundred ninety-five
Scientific notation
2.0121795 × 10^7
Engineering notation
2.0121795 × 10^6
Prime Factorization
9 × 17 × 5 × 29 × 907
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20121795
Product of the distinct prime numbers
The prime factorization of 20121795 is 9 × 17 × 5 × 29 × 907.
Since it has a total of 5 prime factors.
10 , 3 , 99 , 100 , 447 , 68 , 9469 , 3438 , 58756 , 85771 , 928887 , 619337 , 8773225 , 7739821 , 41252614 , 83945090 , 801688519 , 368074391 , 8970807021 , 1120664297
n×2
40243590
n×3
60365385
n×4
80487180
n×5
100608975
n÷2
10060897.5
n÷3
6707265
n÷3
5030448.75
n÷5
4024359
n2
404886634022025
n3
8.1470458480312E+21
n4
1.6393318640969E+29
n5
3.2986299706325E+36
2 √n
4485.7323816741
3 √n
271.99165109178
4 √n
66.975610349396
5 √n
28.889055552441
1 , 5 , 9 , 17 , 29 , 45 , 85 , 145 , 153 , 261 , 493 , 765 , 907 , 1305 , 2465 , 4437 , 4535 , 8163 , 15419 , 22185 , 26303 , 40815 , 77095 , 131515 , 138771 , 236727 , 447151 , 693855 , 1183635 , 2235755 , 4024359 , 20121795
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121794
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121795 can be divided by 32 positive divisors.
The sum of these divisors (counting 20121795) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000100011000011
3
Ternary
1101212021220200
4
Quaternary
1030300203003
5
Quinary
20122344140
6
Senary
1555140243
8
Octal
114604303
10
Decimal
20121795
12
Duodecimal
68a4683
16
Hexadecimal
13308c3
20
Vigesimal
65f49f
36
Base36
bza2r
md5
50d111085e6608a559b8e599b9805146
sha1
79e0e8858b57fdc55d7cf896fdb9df66b1004a4d
sha256
217bd735a095a94b3c0c611dfd6e08b635c040acf5382d91a08b64a233b8142f
sha512
a786685a33f19a592673e663e65a3fbf33eb92501780fab5a304171fa661737428bc4b9fb684a4f581327eded4100e44a57fed322208a6326cbc082ed112f066
ripemd-160
7fda3b9f25a00f1cf12bd44c98e55264e8a25919
Diameter
40243590
Circumference
126428966.69808
Area
1.2719888749803E+15
Volume
3.4126265846179E+22
Surface area
5.0879554999212E+15
Circumference
126428966.69808
Perimeter
80487180
Area
404886634022025
Diagonal
28456515.388291
Surface area
2429319804132150
Volume
8.1470458480312E+21
Space diagonal
34851971.279485
Perimeter
60365385
Area
1.7532105535792E+14
Altitude
17425985.639743
Surface area
1.7532105535792E+14
Volume
9.6013856096343E+20
Height
9485505.1294304