20158409 is an odd 8-digits composite number following 20158408
and preceding 20158410 . In scientific notation, it is written as 2.0158409 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19979904 positive integers (up to 20158409) that are relatively prime to 20158409.
20158409 has 4 divisors, whose sum is 20336916
The reverse of 20158409 is 90485102
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred fifty-eight thousand four hundred nine
Scientific notation
2.0158409 × 10^7
Engineering notation
2.0158409 × 10^6
Prime Factorization
113 × 178393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20158409
Product of the distinct prime numbers
The prime factorization of 20158409 is 113 × 178393.
Since it has a total of 2 prime factors.
5 , 9 , 26 , 45 , 647 , 552 , 2198 , 4546 , 38362 , 52832 , 149344 , 434856 , 5973925 , 3183900 , 1882450 , 22572222 , 942323206 , 996820334 , 9028620514 , 9220400969
n×2
40316818
n×3
60475227
n×4
80633636
n×5
100792045
n÷2
10079204.5
n÷3
6719469.6666667
n÷3
5039602.25
n÷5
4031681.8
n2
406361453411281
n3
8.191600379699E+21
n4
1.6512963081853E+29
n5
3.3287506360589E+36
2 √n
4489.8116887014
3 √n
272.15652485286
4 √n
67.006057104574
5 √n
28.899561323354
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
-20158408
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 20158409 can be divided by 4 positive divisors.
The sum of these divisors (counting 20158409) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001011111001001
3
Ternary
1101221011010202
4
Quaternary
1030321133021
5
Quinary
20130032114
6
Senary
2000021545
8
Octal
114713711
10
Decimal
20158409
12
Duodecimal
69018b5
16
Hexadecimal
13397c9
20
Vigesimal
65jg09
36
Base36
c02bt
md5
5c5d1aa2c78f7069c16a50f5f8be1526
sha1
2e84ac6112a977b03aa5a27972ab3cd064cdbcb3
sha256
aafdcbfe3d4028e4f5e5b068bfa8dd55a077fe293e538189d9a863610a6ccc8e
sha512
5db00e397055683e51f8ee25d0780363a0ecccfce5f44ba241f672de30e8555601e1fc08dadcfa7ab34fd8e06d70b648e70d3094007976e377f129c6afacc82d
ripemd-160
15334df042689a9a1942eba7d5a06d1da1bcc64c
Diameter
40316818
Circumference
126659019.24492
Area
1.276622156739E+15
Volume
3.4312895432008E+22
Surface area
5.1064886269558E+15
Circumference
126659019.24492
Perimeter
80633636
Area
406361453411281
Diagonal
28508295.403664
Surface area
2438168720467686
Volume
8.191600379699E+21
Space diagonal
34915388.587754
Perimeter
60475227
Area
1.7595967088647E+14
Altitude
17457694.293877
Surface area
1.7595967088647E+14
Volume
9.6538936287592E+20
Height
9502765.1345546