19994247 is an odd 8-digits composite number following 19994246
and preceding 19994248 . In scientific notation, it is written as 1.9994247 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 10545984 positive integers (up to 19994247) that are relatively prime to 19994247.
19994247 has 24 divisors, whose sum is 35546784
The reverse of 19994247 is 74249991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety-four thousand two hundred forty-seven
Scientific notation
1.9994247 × 10^7
Engineering notation
1.9994247 × 10^6
Prime Factorization
3 × 3 × 13 × 7 × 24413
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6664749
Product of the distinct prime numbers
The prime factorization of 19994247 is 3 × 3 × 13 × 7 × 24413.
Since it has a total of 5 prime factors.
5 , 8 , 85 , 36 , 913 , 979 , 5517 , 910 , 48463 , 94588 , 611900 , 192790 , 6993493 , 1585951 , 7736298 , 53819733 , 744516581 , 939902211 , 2165763522 , 1439663389
n×2
39988494
n×3
59982741
n×4
79976988
n×5
99971235
n÷2
9997123.5
n÷3
6664749
n÷3
4998561.75
n÷5
3998849.4
n2
399769913097009
n3
7.9930983856301E+21
n4
1.5981598341759E+29
n5
3.1954002469992E+36
2 √n
4471.4927037847
3 √n
271.41573242265
4 √n
66.869220900088
5 √n
28.852337956603
1 , 3 , 7 , 9 , 13 , 21 , 39 , 63 , 91 , 117 , 273 , 819 , 24413 , 73239 , 170891 , 219717 , 317369 , 512673 , 952107 , 1538019 , 2221583 , 2856321 , 6664749 , 19994247
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19994246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19994247 can be divided by 24 positive divisors.
The sum of these divisors (counting 19994247) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010001011010000111
3
Ternary
1101121210221200
4
Quaternary
1030101122013
5
Quinary
20104303442
6
Senary
1552313543
8
Octal
114213207
10
Decimal
19994247
12
Duodecimal
68428b3
16
Hexadecimal
1311687
20
Vigesimal
64j5c7
36
Base36
bwjnr
md5
162d5879c7fd98c39ceeac04b624ac46
sha1
bc78130d7878d7886db598d21aeb2d5a4c9f9b64
sha256
08a65855aa5811816da5921937ca502131cc5cd58bc8049ecff7efddb586b755
sha512
ad6fe8d1a20b8513be37c2be44e942a17d3b93fe8d722397b2978e633afa6e487224adf7ab3f630a0502878a0127b95a4acecffe6a09508a4302644adb7fcfd0
ripemd-160
4606be386a160c7a13a436c76963253bf55aa59a
Diameter
39988494
Circumference
125627558.97852
Area
1.2559142221118E+15
Volume
3.3481412223621E+22
Surface area
5.0236568884472E+15
Circumference
125627558.97852
Perimeter
79976988
Area
399769913097009
Diagonal
28276135.276838
Surface area
2398619478582054
Volume
7.9930983856301E+21
Space diagonal
34631051.663082
Perimeter
59982741
Area
1.7310545020535E+14
Altitude
17315525.831541
Surface area
1.7310545020535E+14
Volume
9.4199567852839E+20
Height
9425378.4256125