20123505 is an odd 8-digits composite number following 20123504
and preceding 20123506 . In scientific notation, it is written as 2.0123505 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors.
There are 10264320 positive integers (up to 20123505) that are relatively prime to 20123505.
20123505 has 32 divisors, whose sum is 37336320
The reverse of 20123505 is 50532102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-three thousand five hundred five
Scientific notation
2.0123505 × 10^7
Engineering notation
2.0123505 × 10^6
Prime Factorization
5 × 3 × 9 × 23 × 6481
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20123505
Product of the distinct prime numbers
The prime factorization of 20123505 is 5 × 3 × 9 × 23 × 6481.
Since it has a total of 5 prime factors.
10 , 3 , 41 , 55 , 361 , 591 , 9372 , 1726 , 94829 , 26161 , 562562 , 146646 , 6115655 , 6486850 , 76400807 , 79484481 , 815754613 , 781363137 , 1898735958 , 9784579676
n×2
40247010
n×3
60370515
n×4
80494020
n×5
100617525
n÷2
10061752.5
n÷3
6707835
n÷3
5030876.25
n÷5
4024701
n2
404955453485025
n3
8.1491230929832E+21
n4
1.6398891930726E+29
n5
3.3000318376243E+36
2 √n
4485.9229819514
3 √n
271.99935571503
4 √n
66.977033242384
5 √n
28.889546548456
1 , 3 , 5 , 9 , 15 , 23 , 27 , 45 , 69 , 115 , 135 , 207 , 345 , 621 , 1035 , 3105 , 6481 , 19443 , 32405 , 58329 , 97215 , 149063 , 174987 , 291645 , 447189 , 745315 , 874935 , 1341567 , 2235945 , 4024701 , 6707835 , 20123505
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
-20123504
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 20123505 can be divided by 32 positive divisors.
The sum of these divisors (counting 20123505) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000111101110001
3
Ternary
1101212101021000
4
Quaternary
1030300331301
5
Quinary
20122423010
6
Senary
1555152213
8
Octal
114607561
10
Decimal
20123505
12
Duodecimal
68a5669
16
Hexadecimal
1330f71
20
Vigesimal
65f8f5
36
Base36
bzbe9
md5
4b3928f079751f0eb6864178bff559d3
sha1
d42efb35c22a71ac18291f1107222aac12ebdb93
sha256
abd888bddfb48e61d24046c703f61eaa9974b3019e49509e96d6f8331025aedf
sha512
28aa32b6c0b83f9c805a7b62762a845bf6c32e37a847b112485a1d8de3fb97bf2d50f2adadc9b34c69524e66fa239187d0b8b6e573fb24f63297cdf2936298ea
ripemd-160
4ce3e56962ecb23ecbdb5cd4b83f066353ad6194
Diameter
40247010
Circumference
126439710.94495
Area
1.2722050776997E+15
Volume
3.4134966989486E+22
Surface area
5.0888203107987E+15
Circumference
126439710.94495
Perimeter
80494020
Area
404955453485025
Diagonal
28458933.693483
Surface area
2429732720910150
Volume
8.1491230929832E+21
Space diagonal
34854933.086366
Perimeter
60370515
Area
1.7535085505954E+14
Altitude
17427466.543183
Surface area
1.7535085505954E+14
Volume
9.6038336662872E+20
Height
9486311.2311609