20145380 is an even 8-digits composite number following 20145379
and preceding 20145381 . In scientific notation, it is written as 2.0145380 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 7983360 positive integers (up to 20145380) that are relatively prime to 20145380.
20145380 has 24 divisors, whose sum is 42698040
The reverse of 20145380 is 08354102
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-five thousand three hundred eighty
Scientific notation
2.0145380 × 10^7
Engineering notation
2.0145380 × 10^6
Prime Factorization
2 × 2 × 5 × 109 × 9241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10072690
Product of the distinct prime numbers
The prime factorization of 20145380 is 2 × 2 × 5 × 109 × 9241.
Since it has a total of 5 prime factors.
9 , 6 , 52 , 70 , 396 , 820 , 1966 , 3701 , 69018 , 47009 , 920280 , 908284 , 7746159 , 5574343 , 32910206 , 44775671 , 802822319 , 308170808 , 7477463795 , 8560940806
n×2
40290760
n×3
60436140
n×4
80581520
n×5
100726900
n÷2
10072690
n÷3
6715126.6666667
n÷3
5036345
n÷5
4029076
n2
405836335344400
n3
8.1757271933204E+21
n4
1.6470313108577E+29
n5
3.3180071629127E+36
2 √n
4488.3605024552
3 √n
272.09787783721
4 √n
66.995227460284
5 √n
28.89582462203
1 , 2 , 4 , 5 , 10 , 20 , 109 , 218 , 436 , 545 , 1090 , 2180 , 9241 , 18482 , 36964 , 46205 , 92410 , 184820 , 1007269 , 2014538 , 4029076 , 5036345 , 10072690 , 20145380
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145379
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145380 can be divided by 24 positive divisors.
The sum of these divisors (counting 20145380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110110010011100100
3
Ternary
1101220111021012
4
Quaternary
1030312103210
5
Quinary
20124123010
6
Senary
1555441352
8
Octal
114662344
10
Decimal
20145380
12
Duodecimal
68b6258
16
Hexadecimal
13364e4
20
Vigesimal
65i390
36
Base36
bzs9w
md5
74129413f28935a2633d87e4db114fee
sha1
e50056a7e0354de621e5d22da36e72b58f6b3559
sha256
a4d23e5b749e1a808cf590aa5d49a162178947481d16528284d9735a415ecfd4
sha512
6110e8401806f03548b356608dcfe29470e7d53d0ee5dd9bda200474c99281f6f60665180bbc95bf509d63902b5e859fc3126a110384ac0bb96b55c6fbcedd2f
ripemd-160
3d1586a1cdc0098330c289636b26257f6f9fb5d3
Diameter
40290760
Circumference
126577155.62355
Area
1.2749724496778E+15
Volume
3.4246405984386E+22
Surface area
5.0998897987111E+15
Circumference
126577155.62355
Perimeter
80581520
Area
405836335344400
Diagonal
28489869.61516
Surface area
2435018012066400
Volume
8.1757271933204E+21
Space diagonal
34892821.697782
Perimeter
60436140
Area
1.7573228809352E+14
Altitude
17446410.848891
Surface area
1.7573228809352E+14
Volume
9.6351868992135E+20
Height
9496623.2050532