20121486 is an even 8-digits composite number following 20121485
and preceding 20121487 . In scientific notation, it is written as 2.0121486 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 5160960 positive integers (up to 20121486) that are relatively prime to 20121486.
20121486 has 32 divisors, whose sum is 34927200
The reverse of 20121486 is 68412102
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-one thousand four hundred eighty-six
Scientific notation
2.0121486 × 10^7
Engineering notation
2.0121486 × 10^6
Prime Factorization
2 × 21 × 11 × 97 × 449
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20121486
Product of the distinct prime numbers
The prime factorization of 20121486 is 2 × 21 × 11 × 97 × 449.
Since it has a total of 5 prime factors.
8 , 9 , 29 , 56 , 648 , 400 , 8350 , 5032 , 58755 , 6905 , 963487 , 410070 , 1063065 , 8502791 , 38101348 , 18098854 , 224741064 , 681822161 , 6415356039 , 825043389
n×2
40242972
n×3
60364458
n×4
80485944
n×5
100607430
n÷2
10060743
n÷3
6707162
n÷3
5030371.5
n÷5
4024297.2
n2
404874198848196
n3
8.1466705238852E+21
n4
1.6392311689297E+29
n5
3.2983767016382E+36
2 √n
4485.6979390057
3 √n
271.99025880627
4 √n
66.975353220462
5 √n
28.888966825039
1 , 2 , 11 , 21 , 22 , 42 , 97 , 194 , 231 , 449 , 462 , 898 , 1067 , 2037 , 2134 , 4074 , 4939 , 9429 , 9878 , 18858 , 22407 , 43553 , 44814 , 87106 , 103719 , 207438 , 479083 , 914613 , 958166 , 1829226 , 10060743 , 20121486
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
-20121485
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 20121486 can be divided by 32 positive divisors.
The sum of these divisors (counting 20121486) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000011110001110
3
Ternary
1101212021111020
4
Quaternary
1030300132032
5
Quinary
20122341421
6
Senary
1555135010
8
Octal
114603616
10
Decimal
20121486
12
Duodecimal
68a4466
16
Hexadecimal
133078e
20
Vigesimal
65f3e6
36
Base36
bz9u6
md5
77bcc51d41852c37edf33dad0c4dfb0b
sha1
5a8d5677aef289ab5eeb17b9366bfc2c38358e2f
sha256
d4d9b74d840428559b055373f34203eec604b2aee5e79245a11aefe4edfbb38c
sha512
824216ccd4507fb11d0fe9c365d4c9fda41d6eb5025a471c8e9abcb434f6f71714299e7daba96ce513131ef385d3c8eb07d7720acf23452455a2edb131306fd5
ripemd-160
ea5a05170ef8aba7df2d7e9ce8adbc60e9de9f94
Diameter
40242972
Circumference
126427025.19382
Area
1.2719498087295E+15
Volume
3.4124693692072E+22
Surface area
5.0877992349182E+15
Circumference
126427025.19382
Perimeter
80485944
Area
404874198848196
Diagonal
28456078.3963
Surface area
2429245193089176
Volume
8.1466705238852E+21
Space diagonal
34851436.075786
Perimeter
60364458
Area
1.7531567076970E+14
Altitude
17425718.037893
Surface area
1.7531567076970E+14
Volume
9.6009432858863E+20
Height
9485359.4654335