20121860 is an even 8-digits composite number following 20121859
and preceding 20121861 . In scientific notation, it is written as 2.0121860 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 7316960 positive integers (up to 20121860) that are relatively prime to 20121860.
20121860 has 24 divisors, whose sum is 46097856
The reverse of 20121860 is 06812102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand eight hundred sixty
Scientific notation
2.0121860 × 10^7
Engineering notation
2.0121860 × 10^6
Prime Factorization
2 × 2 × 5 × 11 × 91463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10060930
Product of the distinct prime numbers
The prime factorization of 20121860 is 2 × 2 × 5 × 11 × 91463.
Since it has a total of 5 prime factors.
6 , 6 , 5 , 59 , 439 , 193 , 1004 , 7725 , 28784 , 10116 , 119341 , 277613 , 4163410 , 4968831 , 44963882 , 91258064 , 842527245 , 769783303 , 6587845032 , 7169693301
n×2
40243720
n×3
60365580
n×4
80487440
n×5
100609300
n÷2
10060930
n÷3
6707286.6666667
n÷3
5030465
n÷5
4024372
n2
404889249859600
n3
8.1471248011799E+21
n4
1.6393530465187E+29
n5
3.2986832492623E+36
2 √n
4485.739626862
3 √n
271.99194396555
4 √n
66.97566443763
5 √n
28.889074216643
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 44 , 55 , 110 , 220 , 91463 , 182926 , 365852 , 457315 , 914630 , 1006093 , 1829260 , 2012186 , 4024372 , 5030465 , 10060930 , 20121860
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121859
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121860 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121860) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000100100000100
3
Ternary
1101212022000002
4
Quaternary
1030300210010
5
Quinary
20122344420
6
Senary
1555140432
8
Octal
114604404
10
Decimal
20121860
12
Duodecimal
68a4718
16
Hexadecimal
1330904
20
Vigesimal
65f4d0
36
Base36
bza4k
md5
36c34e190ddb2a972768b4906dd6b3b1
sha1
6f0b9d54f66f616909ddecd6421372f38428dd53
sha256
a439150c239f72907c48a99661c06a9161dc2c49f36f0156e25d74becb7f1f04
sha512
5df740a02f040d54094ae77984d2956d6928ed34ab06dd88f03481c0b3d87a9b84cdd820843b0815dafb3946b675c202b342c09684456fa68f3e92e4d266096a
ripemd-160
9401c849f5c21e854e3daa5fe46b2822615cd01a
Diameter
40243720
Circumference
126429375.10512
Area
1.2719970928764E+15
Volume
3.4126596564355E+22
Surface area
5.0879883715056E+15
Circumference
126429375.10512
Perimeter
80487440
Area
404889249859600
Diagonal
28456607.312173
Surface area
2429335499157600
Volume
8.1471248011799E+21
Space diagonal
34852083.862788
Perimeter
60365580
Area
1.7532218804882E+14
Altitude
17426041.931394
Surface area
1.7532218804882E+14
Volume
9.6014786568123E+20
Height
9485535.7707242