20149947 is an odd 8-digits composite number following 20149946
and preceding 20149948 . In scientific notation, it is written as 2.0149947 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 28 positive divisors.
There are 12337920 positive integers (up to 20149947) that are relatively prime to 20149947.
20149947 has 28 divisors, whose sum is 29307648
The reverse of 20149947 is 74994102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred forty-nine thousand nine hundred forty-seven
Scientific notation
2.0149947 × 10^7
Engineering notation
2.0149947 × 10^6
Prime Factorization
51 × 3 × 17 × 61 × 127
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20149947
Product of the distinct prime numbers
The prime factorization of 20149947 is 51 × 3 × 17 × 61 × 127.
Since it has a total of 5 prime factors.
10 , 1 , 73 , 64 , 216 , 274 , 338 , 3690 , 25170 , 32399 , 430930 , 544675 , 8160976 , 2719534 , 77888598 , 26837436 , 357055637 , 603752387 , 1974610992 , 2775899164
n×2
40299894
n×3
60449841
n×4
80599788
n×5
100749735
n÷2
10074973.5
n÷3
6716649
n÷3
5037486.75
n÷5
4029989.4
n2
406020364102809
n3
8.1812888175923E+21
n4
1.6485253606618E+29
n5
3.3217698645491E+36
2 √n
4488.8692340054
3 √n
272.11843800393
4 √n
66.999024127262
5 √n
28.897134652079
1 , 3 , 17 , 51 , 61 , 127 , 153 , 183 , 381 , 867 , 1037 , 2159 , 2601 , 3111 , 6477 , 7747 , 9333 , 19431 , 23241 , 52887 , 110109 , 131699 , 158661 , 330327 , 395097 , 1185291 , 6716649 , 20149947
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149947 can be divided by 28 positive divisors.
The sum of these divisors (counting 20149947) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100110111011010111011
3
Ternary
1101220201112100
4
Quaternary
1030313122323
5
Quinary
20124244242
6
Senary
1555514443
8
Octal
114673273
10
Decimal
20149947
12
Duodecimal
68b8a23
16
Hexadecimal
13376bb
20
Vigesimal
65ieh7
36
Base36
bzvsr
md5
8937982417c18b7fc9afa913c5f24e82
sha1
abaeb27c632465a1df424688b5b5063119a35f24
sha256
f84db97233882bffee8f4b773fe3ea433a9c5149abddb9e9a86519564cf7a53c
sha512
a99a5dd04789874b398ddb6aaf8828579df9baf9df413e14598f587bfce5a0f6c639a9879e879e33cf1471a711e1db81ece1214f71736f6ce31e051da1851497
ripemd-160
c1c9cf0c67df2fb1f0ab7a64c0dc548431b15903
Diameter
40299894
Circumference
126605850.93085
Area
1.2755505930732E+15
Volume
3.4269702461659E+22
Surface area
5.102202372293E+15
Circumference
126605850.93085
Perimeter
80599788
Area
406020364102809
Diagonal
28496328.328499
Surface area
2436122184616854
Volume
8.1812888175923E+21
Space diagonal
34900731.97382
Perimeter
60449841
Area
1.7581197488342E+14
Altitude
17450365.98691
Surface area
1.7581197488342E+14
Volume
9.6417413362753E+20
Height
9498776.1094997