20147489 is an odd 8-digits composite number following 20147488
and preceding 20147490 . In scientific notation, it is written as 2.0147489 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 18506880 positive integers (up to 20147489) that are relatively prime to 20147489.
20147489 has 16 divisors, whose sum is 21880320
The reverse of 20147489 is 98474102
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred forty-seven thousand four hundred eighty-nine
Scientific notation
2.0147489 × 10^7
Engineering notation
2.0147489 × 10^6
Prime Factorization
31 × 29 × 73 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20147489
Product of the distinct prime numbers
The prime factorization of 20147489 is 31 × 29 × 73 × 307.
Since it has a total of 4 prime factors.
4 , 10 , 87 , 61 , 459 , 817 , 4687 , 3948 , 81617 , 61936 , 485918 , 211551 , 7607795 , 8493013 , 46131040 , 29781159 , 90909782 , 680046892 , 625123407 , 8097419559
n×2
40294978
n×3
60442467
n×4
80589956
n×5
100737445
n÷2
10073744.5
n÷3
6715829.6666667
n÷3
5036872.25
n÷5
4029497.8
n2
405921313005121
n3
8.1782951886362E+21
n4
1.647721123518E+29
n5
3.3197443211147E+36
2 √n
4488.5954373278
3 √n
272.10737272553
4 √n
66.996980807554
5 √n
28.896429611782
1 , 29 , 31 , 73 , 307 , 899 , 2117 , 2263 , 8903 , 9517 , 22411 , 65627 , 275993 , 649919 , 694741 , 20147489
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
-20147488
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 20147489 can be divided by 16 positive divisors.
The sum of these divisors (counting 20147489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110110100100001
3
Ternary
1101220121011022
4
Quaternary
1030312310201
5
Quinary
20124204424
6
Senary
1555455225
8
Octal
114666441
10
Decimal
20147489
12
Duodecimal
68b7515
16
Hexadecimal
1336d21
20
Vigesimal
65i8e9
36
Base36
bztwh
md5
4c0e8874052c786b1b38698ce570cf7d
sha1
79bc56976ed80b6a632405e01e626e60b217fa48
sha256
ea2615c73852ad0e78ec4993aac04465207d834c7d86ec7ce6c24967511752fc
sha512
e5082b19ea025704a4f85be71720fa8b56d500fc3c20d826fddf316629dd2656f37f507f9af7df1ae4b5d232d937c95dcbbdbb099acb08cff4660456f7253709
ripemd-160
f99d61cb0ce2b2b13598e3ce19c93f85a2ee0692
Diameter
40294978
Circumference
126590406.86136
Area
1.2752394148724E+15
Volume
3.4257162778011E+22
Surface area
5.1009576594896E+15
Circumference
126590406.86136
Perimeter
80589956
Area
405921313005121
Diagonal
28492852.191563
Surface area
2435527878030726
Volume
8.1782951886362E+21
Space diagonal
34896474.592935
Perimeter
60442467
Area
1.7576908449998E+14
Altitude
17448237.296468
Surface area
1.7576908449998E+14
Volume
9.6382133107167E+20
Height
9497617.3971876