20015145 is an odd 8-digits composite number following 20015144
and preceding 20015146 . In scientific notation, it is written as 2.0015145 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 10603008 positive integers (up to 20015145) that are relatively prime to 20015145.
20015145 has 24 divisors, whose sum is 34926216
The reverse of 20015145 is 54151002
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million fifteen thousand one hundred forty-five
Scientific notation
2.0015145 × 10^7
Engineering notation
2.0015145 × 10^6
Prime Factorization
3 × 3 × 5 × 157 × 2833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6671715
Product of the distinct prime numbers
The prime factorization of 20015145 is 3 × 3 × 5 × 157 × 2833.
Since it has a total of 5 prime factors.
5 , 8 , 80 , 31 , 429 , 351 , 3722 , 365 , 76168 , 52299 , 480460 , 849968 , 4052531 , 3084612 , 56701419 , 35718954 , 480485801 , 21646769 , 5421606907 , 848930428
n×2
40030290
n×3
60045435
n×4
80060580
n×5
100075725
n÷2
10007572.5
n÷3
6671715
n÷3
5003786.25
n÷5
4003029
n2
400606029371025
n3
8.0181877657353E+21
n4
1.6048519076842E+29
n5
3.2121343635826E+36
2 √n
4473.8288970411
3 √n
271.51026079675
4 √n
66.886686994058
5 √n
28.858366733106
1 , 3 , 5 , 9 , 15 , 45 , 157 , 471 , 785 , 1413 , 2355 , 2833 , 7065 , 8499 , 14165 , 25497 , 42495 , 127485 , 444781 , 1334343 , 2223905 , 4003029 , 6671715 , 20015145
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
-20015144
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 20015145 can be divided by 24 positive divisors.
The sum of these divisors (counting 20015145) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010110100000101001
3
Ternary
1101122212121200
4
Quaternary
1030112200221
5
Quinary
20110441040
6
Senary
1552554413
8
Octal
114264051
10
Decimal
20015145
12
Duodecimal
6852a09
16
Hexadecimal
1316829
20
Vigesimal
651hh5
36
Base36
bwzs9
md5
17d9605878dfe5a57ed82710c6c5f315
sha1
e855a1470decd42f90157b4a5e1e8793b4d8b51c
sha256
9c4830f1651cc08e607a03a4bc2aba6a611f28fa84c00176674936e306da797c
sha512
1665b6415b230e29d17ef32967774b76139d305a30904bee9bbbdd59e92728f7164093de3a09689f8f6813ba364dd98cb34dd99eb6bdb7477f10ac77bf828835
ripemd-160
6e01b6f22660c80268d54b7062352ce664d93b5e
Diameter
40030290
Circumference
125758864.98507
Area
1.2585409588558E+15
Volume
3.358650637325E+22
Surface area
5.0341638354232E+15
Circumference
125758864.98507
Perimeter
80060580
Area
400606029371025
Diagonal
28305689.511864
Surface area
2403636176226150
Volume
8.0181877657353E+21
Space diagonal
34667248.060858
Perimeter
60045435
Area
1.7346749917226E+14
Altitude
17333624.030429
Surface area
1.7346749917226E+14
Volume
9.4495249032974E+20
Height
9435229.837288