20121549 is an odd 8-digits composite number following 20121548
and preceding 20121550 . In scientific notation, it is written as 2.0121549 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11230128 positive integers (up to 20121549) that are relatively prime to 20121549.
20121549 has 8 divisors, whose sum is 23175360
The reverse of 20121549 is 94512102
Previous prime number is 129
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-one thousand five hundred forty-nine
Scientific notation
2.0121549 × 10^7
Engineering notation
2.0121549 × 10^6
Prime Factorization
7 × 129 × 22283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121549
Product of the distinct prime numbers
The prime factorization of 20121549 is 7 × 129 × 22283.
Since it has a total of 3 prime factors.
4 , 10 , 55 , 82 , 880 , 70 , 3760 , 3385 , 82645 , 12814 , 295858 , 232125 , 9089106 , 7541080 , 13692119 , 1664844 , 187765723 , 259879879 , 5522003967 , 6626842547
n×2
40243098
n×3
60364647
n×4
80486196
n×5
100607745
n÷2
10060774.5
n÷3
6707183
n÷3
5030387.25
n÷5
4024309.8
n2
404876734159401
n3
8.1467470453484E+21
n4
1.6392516986358E+29
n5
3.2984283377434E+36
2 √n
4485.7049613188
3 √n
271.99054267146
4 √n
66.975405645048
5 √n
28.88898491518
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
-20121548
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 20121549 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121549) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011111001101
3
Ternary
1101212021120120
4
Quaternary
1030300133031
5
Quinary
20122342144
6
Senary
1555135153
8
Octal
114603715
10
Decimal
20121549
12
Duodecimal
68a44b9
16
Hexadecimal
13307cd
20
Vigesimal
65f3h9
36
Base36
bz9vx
md5
1ba7bcdcd13145132add0db3ebcf3af4
sha1
a97c3f164d7de31770fb9dc6b9fc9c9c73be523e
sha256
783d7396ce589a117872765353a3bd8456b2aaf927ed3d18ff5be274f799344b
sha512
c0c549ac48f88cf8550c8a8c5bd1bc5dcd694e97f38f7e49e2ffa99c98152281a1fb7f5903c7d3fc5638987e6f83ba377e6577f20cb8baa2bd9d0c0ca555129a
ripemd-160
53baaadb954145996eb91f08f15a4e1a7f80fb3d
Diameter
40243098
Circumference
126427421.03449
Area
1.2719577736446E+15
Volume
3.4125014224428E+22
Surface area
5.0878310945784E+15
Circumference
126427421.03449
Perimeter
80486196
Area
404876734159401
Diagonal
28456167.491755
Surface area
2429260404956406
Volume
8.1467470453484E+21
Space diagonal
34851545.194987
Perimeter
60364647
Area
1.7531676859166E+14
Altitude
17425772.597493
Surface area
1.7531676859166E+14
Volume
9.6010334672955E+20
Height
9485389.1639183