20459745 is an odd 8-digits composite number following 20459744
and preceding 20459746 . In scientific notation, it is written as 2.0459745 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 10836000 positive integers (up to 20459745) that are relatively prime to 20459745.
20459745 has 16 divisors, whose sum is 29300736
The reverse of 20459745 is 54795402
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred fifty-nine thousand seven hundred forty-five
Scientific notation
2.0459745 × 10^7
Engineering notation
2.0459745 × 10^6
Prime Factorization
3 × 15 × 151 × 3011
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20459745
Product of the distinct prime numbers
The prime factorization of 20459745 is 3 × 15 × 151 × 3011.
Since it has a total of 4 prime factors.
6 , 8 , 81 , 27 , 460 , 977 , 841 , 18 , 31500 , 70819 , 477293 , 149215 , 1952048 , 1217282 , 54835131 , 9198787 , 230762585 , 626601228 , 4866704486 , 9390406715
n×2
40919490
n×3
61379235
n×4
81838980
n×5
102298725
n÷2
10229872.5
n÷3
6819915
n÷3
5114936.25
n÷5
4091949
n2
418601165465025
n3
8.5644731021172E+21
n4
1.7522693572868E+29
n5
3.5850984221401E+36
2 √n
4523.244963519
3 √n
273.50592493852
4 √n
67.255073886801
5 √n
28.985449741175
1 , 3 , 15 , 45 , 151 , 453 , 2265 , 3011 , 6795 , 9033 , 45165 , 135495 , 454661 , 1363983 , 6819915 , 20459745
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
-20459744
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 20459745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20459745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000011000011100001
3
Ternary
1102111110111100
4
Quaternary
1032003003201
5
Quinary
20214202440
6
Senary
2010305013
8
Octal
116030341
10
Decimal
20459745
12
Duodecimal
6a28169
16
Hexadecimal
13830e1
20
Vigesimal
67h975
36
Base36
c6iu9
md5
c50418a401e2598eaaee19a5c8c7ecf2
sha1
05e7919cfbfbee44efba11bc635154dc7115229b
sha256
3356e29408e1a6693d23bd73db5925916eddf4e484da99908f3ba152b64a1b37
sha512
269b85071c457fea17b200f42a90ccd5623ee73941a4d409068dd74c642998192a23918bdb0330059401b62b112592c8f1597853f3a943b235370fc227e05d21
ripemd-160
1f7595148fb15cf0b1ad5ca0ca62e9f2f956af1d
Diameter
40919490
Circumference
128552369.17264
Area
1.315074346209E+15
Volume
3.5874781039305E+22
Surface area
5.2602973848362E+15
Circumference
128552369.17264
Perimeter
81838980
Area
418601165465025
Diagonal
28934448.861695
Surface area
2511606992790150
Volume
8.5644731021172E+21
Space diagonal
35437317.849903
Perimeter
61379235
Area
1.8125962167324E+14
Altitude
17718658.924952
Surface area
1.8125962167324E+14
Volume
1.0093328346328E+21
Height
9644816.2872317