20149871 is an odd 8-digits composite number following 20149870
and preceding 20149872 . In scientific notation, it is written as 2.0149871 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 17027640 positive integers (up to 20149871) that are relatively prime to 20149871.
20149871 has 8 divisors, whose sum is 23353344
The reverse of 20149871 is 17894102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-nine thousand eight hundred seventy-one
Scientific notation
2.0149871 × 10^7
Engineering notation
2.0149871 × 10^6
Prime Factorization
7 × 71 × 40543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149871
Product of the distinct prime numbers
The prime factorization of 20149871 is 7 × 71 × 40543.
Since it has a total of 3 prime factors.
8 , 7 , 93 , 9 , 751 , 448 , 8001 , 2137 , 33596 , 64494 , 755078 , 705018 , 1537472 , 5126037 , 18749458 , 97966815 , 986682674 , 480412177 , 6219437042 , 5608559632
n×2
40299742
n×3
60449613
n×4
80599484
n×5
100749355
n÷2
10074935.5
n÷3
6716623.6666667
n÷3
5037467.75
n÷5
4029974.2
n2
406017301316641
n3
8.1811962452984E+21
n4
1.6485004896845E+29
n5
3.3217072210579E+36
2 √n
4488.8607686138
3 √n
272.11809588513
4 √n
66.998960951748
5 √n
28.897112853654
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
-20149870
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 20149871 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011001101111
3
Ternary
1101220201102112
4
Quaternary
1030313121233
5
Quinary
20124243441
6
Senary
1555514235
8
Octal
114673157
10
Decimal
20149871
12
Duodecimal
68b897b
16
Hexadecimal
133766f
20
Vigesimal
65iedb
36
Base36
bzvqn
md5
223448d8547e3e50ff20e14ce395cda1
sha1
4b84bd0c82e4b547b40d07994b8db3c3f21e9acf
sha256
fd6197e2bea14394aedc9e6860b1ace54649bf0b67fed3d90612725e37ac3f00
sha512
47cab3ff64f727503a8c77e3fa26e28830c68b5dccbbe51e1a27d14d51f88dd4386df7e7a0a1aa66253aebbe545b33970f53cb595e5c9c2c3de842439f906a6a
ripemd-160
fb101219f0d3f8ef3f8c7110be0c22f154e5bf64
Diameter
40299742
Circumference
126605373.40876
Area
1.2755409710467E+15
Volume
3.4269314695741E+22
Surface area
5.1021638841869E+15
Circumference
126605373.40876
Perimeter
80599484
Area
406017301316641
Diagonal
28496220.848268
Surface area
2436103807899846
Volume
8.1811962452984E+21
Space diagonal
34900600.337959
Perimeter
60449613
Area
1.7581064865811E+14
Altitude
17450300.168979
Surface area
1.7581064865811E+14
Volume
9.6416322387808E+20
Height
9498740.2827561