20145149 is an odd 8-digits composite number following 20145148
and preceding 20145150 . In scientific notation, it is written as 2.0145149 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 19084860 positive integers (up to 20145149) that are relatively prime to 20145149.
20145149 has 4 divisors, whose sum is 21205440
The reverse of 20145149 is 94154102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred forty-five thousand one hundred forty-nine
Scientific notation
2.0145149 × 10^7
Engineering notation
2.0145149 × 10^6
Prime Factorization
19 × 1060271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145149
Product of the distinct prime numbers
The prime factorization of 20145149 is 19 × 1060271.
Since it has a total of 2 prime factors.
2 , 1 , 38 , 12 , 302 , 211 , 9299 , 9660 , 30908 , 91435 , 899569 , 402842 , 1657345 , 2407610 , 58518937 , 31249485 , 673272846 , 92832272 , 6337625970 , 8214997036
n×2
40290298
n×3
60435447
n×4
80580596
n×5
100725745
n÷2
10072574.5
n÷3
6715049.6666667
n÷3
5036287.25
n÷5
4029029.8
n2
405827028232201
n3
8.1754459519649E+21
n4
1.6469557684378E+29
n5
3.3178169351589E+36
2 √n
4488.3347691544
3 √n
272.09683781629
4 √n
66.99503540677
5 √n
28.89575835407
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145148
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145149 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145149) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110001111111101
3
Ternary
1101220110221122
4
Quaternary
1030312033331
5
Quinary
20124121044
6
Senary
1555440325
8
Octal
114661775
10
Decimal
20145149
12
Duodecimal
68b60a5
16
Hexadecimal
13363fd
20
Vigesimal
65i2h9
36
Base36
bzs3h
md5
1f4c50947220728a7e950520836b6b96
sha1
444ebfb4c440ced929dd65e12b6a341ce4fa2368
sha256
1357c16f244472d9e9608ad8150d2ba7721527d003a0bd3bc7b0bf7e07586d51
sha512
fb5f7bbbcac09cc6f565bc52bcc4a8c5a7c2bd51a9dfae336685a2bb6c76271e776ea493b73b941eaa592d7415f2dc60b2872786805b3cf23fedd427773e76b5
ripemd-160
3be3a6927cc770423881b54840d97a1cd18aac93
Diameter
40290298
Circumference
126575704.20774
Area
1.2749432105225E+15
Volume
3.4245227923351E+22
Surface area
5.0997728420898E+15
Circumference
126575704.20774
Perimeter
80580596
Area
405827028232201
Diagonal
28489542.931827
Surface area
2434962169393206
Volume
8.1754459519649E+21
Space diagonal
34892421.594045
Perimeter
60435447
Area
1.7572825799572E+14
Altitude
17446210.797023
Surface area
1.7572825799572E+14
Volume
9.6348554530975E+20
Height
9496514.3106089