20155947 is an odd 8-digits composite number following 20155946
and preceding 20155948 . In scientific notation, it is written as 2.0155947 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 11480832 positive integers (up to 20155947) that are relatively prime to 20155947.
20155947 has 8 divisors, whose sum is 21183360
The reverse of 20155947 is 74955102
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred fifty-five thousand nine hundred forty-seven
Scientific notation
2.0155947 × 10^7
Engineering notation
2.0155947 × 10^6
Prime Factorization
21 × 353 × 2719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20155947
Product of the distinct prime numbers
The prime factorization of 20155947 is 21 × 353 × 2719.
Since it has a total of 3 prime factors.
9 , 4 , 55 , 22 , 211 , 984 , 6092 , 6989 , 14351 , 34921 , 621581 , 948610 , 3824002 , 1180653 , 38849717 , 83569485 , 480928350 , 135146485 , 3395837253 , 4777536533
n×2
40311894
n×3
60467841
n×4
80623788
n×5
100779735
n÷2
10077973.5
n÷3
6718649
n÷3
5038986.75
n÷5
4031189.4
n2
406262199466809
n3
8.1885993605564E+21
n4
1.6504897471561E+29
n5
3.3267183867722E+36
2 √n
4489.5375040198
3 √n
272.14544466883
4 √n
67.004011103961
5 √n
28.898855372838
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
-20155946
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 20155947 can be divided by 8 positive divisors.
The sum of these divisors (counting 20155947) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000111000101011
3
Ternary
1101221000202120
4
Quaternary
1030320320223
5
Quinary
20124442242
6
Senary
2000002323
8
Octal
114707053
10
Decimal
20155947
12
Duodecimal
69003a3
16
Hexadecimal
1338e2b
20
Vigesimal
65j9h7
36
Base36
c00ff
md5
92d1cf1c63af5f2f59c313b43293d4a6
sha1
1da842f27056a295aaa5d31723a8769194fd7f9b
sha256
3ad544baedaada35be037695a376f3ef2ba74fb60e5b1baa10acd0282b8e14ad
sha512
d5aea091e345e11f2e58101158490d340ff693eae46895b318fba8326d51e205dc3701e955a1e0dd02e21ea96111472f5e432203ac25a3a438283c5109b4f9d7
ripemd-160
4b61a0493b5ad5604495d29d0ca308810ff1c09d
Diameter
40311894
Circumference
126643550.04269
Area
1.2763103412762E+15
Volume
3.4300324792419E+22
Surface area
5.1052413651046E+15
Circumference
126643550.04269
Perimeter
80623788
Area
406262199466809
Diagonal
28504813.609873
Surface area
2437573196800854
Volume
8.1885993605564E+21
Space diagonal
34911124.278665
Perimeter
60467841
Area
1.759166926678E+14
Altitude
17455562.139333
Surface area
1.759166926678E+14
Volume
9.6503568937821E+20
Height
9501604.5366244