20156247 is an odd 8-digits composite number following 20156246
and preceding 20156248 . In scientific notation, it is written as 2.0156247 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors.
There are 12969264 positive integers (up to 20156247) that are relatively prime to 20156247.
20156247 has 18 divisors, whose sum is 30164472
The reverse of 20156247 is 74265102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-six thousand two hundred forty-seven
Scientific notation
2.0156247 × 10^7
Engineering notation
2.0156247 × 10^6
Prime Factorization
3 × 3 × 29 × 29 × 2663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
231681
Product of the distinct prime numbers
The prime factorization of 20156247 is 3 × 3 × 29 × 29 × 2663.
Since it has a total of 5 prime factors.
10 , 1 , 59 , 8 , 973 , 993 , 1419 , 7466 , 51668 , 36333 , 293027 , 635143 , 2897790 , 1157430 , 47784485 , 93781336 , 458509141 , 797647626 , 846783912 , 8657752234
n×2
40312494
n×3
60468741
n×4
80624988
n×5
100781235
n÷2
10078123.5
n÷3
6718749
n÷3
5039061.75
n÷5
4031249.4
n2
406274293125009
n3
8.1889650019781E+21
n4
1.6505880125423E+29
n5
3.3269659676041E+36
2 √n
4489.5709149094
3 √n
272.14679486138
4 √n
67.004260423568
5 √n
28.898941398119
1 , 3 , 9 , 29 , 87 , 261 , 841 , 2523 , 2663 , 7569 , 7989 , 23967 , 77227 , 231681 , 695043 , 2239583 , 6718749 , 20156247
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20156246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20156247 can be divided by 18 positive divisors.
The sum of these divisors (counting 20156247) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100111000111101010111
3
Ternary
1101221001011200
4
Quaternary
1030320331113
5
Quinary
20124444442
6
Senary
2000003543
8
Octal
114707527
10
Decimal
20156247
12
Duodecimal
69005b3
16
Hexadecimal
1338f57
20
Vigesimal
65jac7
36
Base36
c00nr
md5
83579d849620d48fdd3f46f8b136d06f
sha1
b47463bf02839c22fd0c4e367a5342573bc9ddea
sha256
34f22508ac91e5af260815189ee2891b6bbc47d32c42c8187d2a6e743dac4acd
sha512
d696b1c0f1d8cf4bdfe504dabc3578d5a7086ad75dc60dceabeeb457ee30a17f4e823c4cc85ab9047c1efcd22602ae496b6a54fdfc4444bd7e208d3dc3d45dc4
ripemd-160
ff2b7a0b0006ab76cd5bee179a64a701d673c227
Diameter
40312494
Circumference
126645434.99828
Area
1.2763483346239E+15
Volume
3.4301856387624E+22
Surface area
5.1053933384957E+15
Circumference
126645434.99828
Perimeter
80624988
Area
406274293125009
Diagonal
28505237.873942
Surface area
2437645758750054
Volume
8.1889650019781E+21
Space diagonal
34911643.893908
Perimeter
60468741
Area
1.7592192937541E+14
Altitude
17455821.946954
Surface area
1.7592192937541E+14
Volume
9.65078780633E+20
Height
9501745.9579807