20145690 is an even 8-digits composite number following 20145689
and preceding 20145691 . In scientific notation, it is written as 2.0145690 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 5372160 positive integers (up to 20145690) that are relatively prime to 20145690.
20145690 has 8 divisors, whose sum is 30890196
The reverse of 20145690 is 09654102
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand six hundred ninety
Scientific notation
2.0145690 × 10^7
Engineering notation
2.0145690 × 10^6
Prime Factorization
2 × 45 × 223841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145690
Product of the distinct prime numbers
The prime factorization of 20145690 is 2 × 45 × 223841.
Since it has a total of 3 prime factors.
9 , 9 , 30 , 87 , 475 , 482 , 3462 , 4180 , 77349 , 93242 , 632751 , 259489 , 4852013 , 7001779 , 38531342 , 46666264 , 705160887 , 337329755 , 4190845420 , 1297434182
n×2
40291380
n×3
60437070
n×4
80582760
n×5
100728450
n÷2
10072845
n÷3
6715230
n÷3
5036422.5
n÷5
4029138
n2
405848825576100
n3
8.1761046269202E+21
n4
1.647132692215E+29
n5
3.3182624606229E+36
2 √n
4488.3950360903
3 √n
272.09927352379
4 √n
66.995485191842
5 √n
28.895913552102
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145690 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145690) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110011000011010
3
Ternary
1101220111200200
4
Quaternary
1030312120122
5
Quinary
20124130230
6
Senary
1555443030
8
Octal
114663032
10
Decimal
20145690
12
Duodecimal
68b6476
16
Hexadecimal
133661a
20
Vigesimal
65i44a
36
Base36
bzsii
md5
f53a3bab9cabcd1ad13a603e53984223
sha1
44133c834676e403e9454bc51a1b25aa885625c2
sha256
b897eb53fc235b57f3384c05be69b39c97cb28afc7f2f5fe19a60e21c7ab03ac
sha512
b4d5fe3a7797cbfd3bda246470c6a58783bda91d69630a8cc696e4b6eebcfe8ee18c788d15c4454992c0563e22c6f3a289012fcb6114ded257007867ae0d7b60
ripemd-160
2441b77c48c0986e991e59d8f5df188913ab7d14
Diameter
40291380
Circumference
126579103.41099
Area
1.2750116888979E+15
Volume
3.4247986974552E+22
Surface area
5.1000467555917E+15
Circumference
126579103.41099
Perimeter
80582760
Area
405848825576100
Diagonal
28490308.021364
Surface area
2435092953456600
Volume
8.1761046269202E+21
Space diagonal
34893358.633532
Perimeter
60437070
Area
1.7573769652249E+14
Altitude
17446679.316766
Surface area
1.7573769652249E+14
Volume
9.6356317089766E+20
Height
9496769.3404547