20121635 is an odd 8-digits composite number following 20121634
and preceding 20121636 . In scientific notation, it is written as 2.0121635 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 15210720 positive integers (up to 20121635) that are relatively prime to 20121635.
20121635 has 16 divisors, whose sum is 25512960
The reverse of 20121635 is 53612102
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand six hundred thirty-five
Scientific notation
2.0121635 × 10^7
Engineering notation
2.0121635 × 10^6
Prime Factorization
5 × 31 × 43 × 3019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121635
Product of the distinct prime numbers
The prime factorization of 20121635 is 5 × 31 × 43 × 3019.
Since it has a total of 4 prime factors.
3 , 3 , 90 , 54 , 213 , 256 , 4618 , 9592 , 74446 , 69844 , 519424 , 897715 , 6606296 , 2556722 , 35194850 , 11420104 , 743156919 , 724939855 , 4521701860 , 5820320154
n×2
40243270
n×3
60364905
n×4
80486540
n×5
100608175
n÷2
10060817.5
n÷3
6707211.6666667
n÷3
5030408.75
n÷5
4024327
n2
404880195073225
n3
8.1468515039922E+21
n4
1.6392797236253E+29
n5
3.298498826169E+36
2 √n
4485.7145473157
3 √n
271.99093016902
4 √n
66.97547720857
5 √n
28.889009609586
1 , 5 , 31 , 43 , 155 , 215 , 1333 , 3019 , 6665 , 15095 , 93589 , 129817 , 467945 , 649085 , 4024327 , 20121635
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
-20121634
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 20121635 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121635) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100000100011
3
Ternary
1101212021200202
4
Quaternary
1030300200203
5
Quinary
20122343020
6
Senary
1555135415
8
Octal
114604043
10
Decimal
20121635
12
Duodecimal
68a456b
16
Hexadecimal
1330823
20
Vigesimal
65f41f
36
Base36
bz9yb
md5
5f3d89c4d1da11277a81de67741e7dd4
sha1
c86812d7b919f072e7f24122489c7950109b9657
sha256
0a0b681b7ce09849b6f6d137c6d271f37be9e93ec4d136760c0938eb6066d86b
sha512
b8c05f8280c554783ad4f5b76bdda3e789e62de9df5dbf13e83ff7f3cd286f0628300aa96ec076b3ed0aa48c8526fb79e75dd754b6f8768253a64ddb9b1a377d
ripemd-160
6c9c436437416f19a747b9e4b108078b715eabe2
Diameter
40243270
Circumference
126427961.38843
Area
1.271968646426E+15
Volume
3.4125451779772E+22
Surface area
5.0878745857042E+15
Circumference
126427961.38843
Perimeter
80486540
Area
404880195073225
Diagonal
28456289.114121
Surface area
2429281170439350
Volume
8.1468515039922E+21
Space diagonal
34851694.151356
Perimeter
60364905
Area
1.7531826721131E+14
Altitude
17425847.075678
Surface area
1.7531826721131E+14
Volume
9.6011565729879E+20
Height
9485429.7047071