20148745 is an odd 8-digits composite number following 20148744
and preceding 20148746 . In scientific notation, it is written as 2.0148745 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 15672384 positive integers (up to 20148745) that are relatively prime to 20148745.
20148745 has 16 divisors, whose sum is 24857280
The reverse of 20148745 is 54784102
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-eight thousand seven hundred forty-five
Scientific notation
2.0148745 × 10^7
Engineering notation
2.0148745 × 10^6
Prime Factorization
5 × 53 × 547 × 139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20148745
Product of the distinct prime numbers
The prime factorization of 20148745 is 5 × 53 × 547 × 139.
Since it has a total of 4 prime factors.
1 , 9 , 80 , 58 , 864 , 533 , 2818 , 7971 , 58877 , 93485 , 262168 , 716341 , 5861292 , 4865427 , 89403051 , 1311330 , 910513732 , 436606714 , 2948330873 , 4807272767
n×2
40297490
n×3
60446235
n×4
80594980
n×5
100743725
n÷2
10074372.5
n÷3
6716248.3333333
n÷3
5037186.25
n÷5
4029749
n2
405971925075025
n3
8.1798247954958E+21
n4
1.6481320394912E+29
n5
3.3207792190038E+36
2 √n
4488.7353452838
3 √n
272.11302702417
4 √n
66.998024935693
5 √n
28.896789885071
1 , 5 , 53 , 139 , 265 , 547 , 695 , 2735 , 7367 , 28991 , 36835 , 76033 , 144955 , 380165 , 4029749 , 20148745
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
-20148744
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 20148745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20148745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111001000001001
3
Ternary
1101220122212211
4
Quaternary
1030313020021
5
Quinary
20124224440
6
Senary
1555505121
8
Octal
114671011
10
Decimal
20148745
12
Duodecimal
68b81a1
16
Hexadecimal
1337209
20
Vigesimal
65ibh5
36
Base36
bzuvd
md5
c850b788e579d7db9596ce15a2d17075
sha1
92495e5ae3e6f89fedfcb0f2f935b80f77dd9d2e
sha256
e62fd55223f083168e9e371a491477bb296b837e9f78531b9c71026505b1c4df
sha512
b0536fae73d4420502773d83287530d74950e299aef5c5b73fdc2abd7d1551b80c5b776ada157bdb13705d5bf3813bd343be575558c9c9d760e231b6929cfaef
ripemd-160
f232fc8e414d60261142a99751dedeaad642dfb5
Diameter
40297490
Circumference
126598298.54211
Area
1.2753984173794E+15
Volume
3.4263569980242E+22
Surface area
5.1015936695176E+15
Circumference
126598298.54211
Perimeter
80594980
Area
405971925075025
Diagonal
28494628.443797
Surface area
2435831550450150
Volume
8.1798247954958E+21
Space diagonal
34898650.048749
Perimeter
60446235
Area
1.7579100016912E+14
Altitude
17449325.024375
Surface area
1.7579100016912E+14
Volume
9.6400159696882E+20
Height
9498209.4812657