20121535 is an odd 8-digits composite number following 20121534
and preceding 20121536 . In scientific notation, it is written as 2.0121535 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 13709088 positive integers (up to 20121535) that are relatively prime to 20121535.
20121535 has 16 divisors, whose sum is 27772416
The reverse of 20121535 is 53512102
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-one thousand five hundred thirty-five
Scientific notation
2.0121535 × 10^7
Engineering notation
2.0121535 × 10^6
Prime Factorization
7 × 5 × 163 × 3527
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121535
Product of the distinct prime numbers
The prime factorization of 20121535 is 7 × 5 × 163 × 3527.
Since it has a total of 4 prime factors.
3 , 10 , 18 , 91 , 837 , 353 , 966 , 9566 , 21849 , 75585 , 939187 , 538816 , 878233 , 269734 , 90013237 , 38847458 , 517064680 , 355981302 , 4544470738 , 5048650307
n×2
40243070
n×3
60364605
n×4
80486140
n×5
100607675
n÷2
10060767.5
n÷3
6707178.3333333
n÷3
5030383.75
n÷5
4024307
n2
404876170756225
n3
8.1467300405374E+21
n4
1.6392471364622E+29
n5
3.2984168629975E+36
2 √n
4485.7034008057
3 √n
271.99047959036
4 √n
66.975393995151
5 √n
28.888980895153
1 , 5 , 7 , 35 , 163 , 815 , 1141 , 3527 , 5705 , 17635 , 24689 , 123445 , 574901 , 2874505 , 4024307 , 20121535
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121534
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121535 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121535) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000011110111111
3
Ternary
1101212021120001
4
Quaternary
1030300132333
5
Quinary
20122342120
6
Senary
1555135131
8
Octal
114603677
10
Decimal
20121535
12
Duodecimal
68a44a7
16
Hexadecimal
13307bf
20
Vigesimal
65f3gf
36
Base36
bz9vj
md5
d465e72852f9330b2aaa4702c0e85918
sha1
b525be5845bc724916b60bd5c2319e5a0c09de96
sha256
9f5d5fd540ec609d0cae0e7eccfe37097ce3ab05c023b8dabdce0e6c7320c692
sha512
d17ee271d7dd112fda6702d79f05e105feb20b147c548106d71c2858bf387b7eaa875537271fd12b33d4dafbf62337f44ab1f5971d8312252ec483ff74826488
ripemd-160
63f13f5abd28d6210f03c7d25f19ad701326c93a
Diameter
40243070
Circumference
126427333.0699
Area
1.2719560036613E+15
Volume
3.4124942994842E+22
Surface area
5.0878240146453E+15
Circumference
126427333.0699
Perimeter
80486140
Area
404876170756225
Diagonal
28456147.692765
Surface area
2429257024537350
Volume
8.1467300405374E+21
Space diagonal
34851520.946275
Perimeter
60364605
Area
1.7531652463093E+14
Altitude
17425760.473138
Surface area
1.7531652463093E+14
Volume
9.6010134269335E+20
Height
9485382.564255