20121659 is an odd 8-digits composite number following 20121658
and preceding 20121660 . In scientific notation, it is written as 2.0121659 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 18835840 positive integers (up to 20121659) that are relatively prime to 20121659.
20121659 has 8 divisors, whose sum is 21420288
The reverse of 20121659 is 95612102
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-one thousand six hundred fifty-nine
Scientific notation
2.0121659 × 10^7
Engineering notation
2.0121659 × 10^6
Prime Factorization
17 × 191 × 6197
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121659
Product of the distinct prime numbers
The prime factorization of 20121659 is 17 × 191 × 6197.
Since it has a total of 3 prime factors.
10 , 10 , 23 , 39 , 617 , 850 , 7527 , 8815 , 67309 , 99624 , 689799 , 871619 , 6082898 , 7258978 , 35423382 , 81642688 , 18042795 , 600345897 , 1603850665 , 3396344872
n×2
40243318
n×3
60364977
n×4
80486636
n×5
100608295
n÷2
10060829.5
n÷3
6707219.6666667
n÷3
5030414.75
n÷5
4024331.8
n2
404881160912281
n3
8.146880655401E+21
n4
1.6392875446168E+29
n5
3.2985184975726E+36
2 √n
4485.717222474
3 √n
271.99103830768
4 √n
66.975497179745
5 √n
28.889016501033
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
-20121658
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 20121659 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121659) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000100000111011
3
Ternary
1101212021201122
4
Quaternary
1030300200323
5
Quinary
20122343114
6
Senary
1555135455
8
Octal
114604073
10
Decimal
20121659
12
Duodecimal
68a458b
16
Hexadecimal
133083b
20
Vigesimal
65f42j
36
Base36
bz9yz
md5
35c56cffa31a3ca73691d764b252d19d
sha1
3517ecf1c6cb8b21269d65f96056b4350838eb42
sha256
3eb20b25544ca988b013c04439cb1b18bae58b3b5730e944ef92b5855f09589c
sha512
04f589dfaf4fb8d9b6df8018bfe8d95cc8b783ee67118073d07954a6863f2cb7f18a2d015d17bb300b658f10f2b84fabc887378c9ea7a187f3c3ca25cf6efa26
ripemd-160
74c4100ea80c5be9e8ce49273b1316baa564d921
Diameter
40243318
Circumference
126428112.18488
Area
1.2719716806989E+15
Volume
3.4125573888908E+22
Surface area
5.0878867227957E+15
Circumference
126428112.18488
Perimeter
80486636
Area
404881160912281
Diagonal
28456323.055247
Surface area
2429286965473686
Volume
8.146880655401E+21
Space diagonal
34851735.720576
Perimeter
60364977
Area
1.7531868543189E+14
Altitude
17425867.860288
Surface area
1.7531868543189E+14
Volume
9.6011909282526E+20
Height
9485441.0184156