19999917 is an odd 8-digits composite number following 19999916
and preceding 19999918 . In scientific notation, it is written as 1.9999917 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 11428488 positive integers (up to 19999917) that are relatively prime to 19999917.
19999917 has 12 divisors, whose sum is 33015840
The reverse of 19999917 is 71999991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million nine hundred ninety-nine thousand nine hundred seventeen
Scientific notation
1.9999917 × 10^7
Engineering notation
1.9999917 × 10^6
Prime Factorization
3 × 3 × 7 × 317459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6666639
Product of the distinct prime numbers
The prime factorization of 19999917 is 3 × 3 × 7 × 317459.
Since it has a total of 4 prime factors.
7 , 4 , 36 , 57 , 89 , 127 , 3653 , 8178 , 53175 , 68389 , 896843 , 258287 , 2971496 , 143682 , 49737631 , 42076663 , 791053428 , 234363111 , 2953996460 , 5125024426
n×2
39999834
n×3
59999751
n×4
79999668
n×5
99999585
n÷2
9999958.5
n÷3
6666639
n÷3
4999979.25
n÷5
3999983.4
n2
399996680006889
n3
7.9999004004133E+21
n4
1.5999734401653E+29
n5
3.1999336005511E+36
2 √n
4472.1266753078
3 √n
271.44138616453
4 √n
66.873961115728
5 √n
28.853974169286
1 , 3 , 7 , 9 , 21 , 63 , 317459 , 952377 , 2222213 , 2857131 , 6666639 , 19999917
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19999916
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19999917 can be divided by 12 positive divisors.
The sum of these divisors (counting 19999917) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010010110010101101
3
Ternary
1101122002201200
4
Quaternary
1030102302231
5
Quinary
20104444132
6
Senary
1552400113
8
Octal
114226255
10
Decimal
19999917
12
Duodecimal
6846039
16
Hexadecimal
1312cad
20
Vigesimal
64jjfh
36
Base36
bwo19
md5
bc5367e68ed6789f5446f55a06bfc933
sha1
91279b52618b14393ccf3c0fdcf479ccf0bd09fd
sha256
bdc7b061f8d10351230115ba3433ed8a1e04f963a321117fd8cefa985e17a9b3
sha512
278deb1e3ada20c15cdb07980fb348581d260425d12b7a3618d8edf174f97375788107c860f1ff404a8ca6c68d745ba82964895c6bf146071d4a8db4703ff1dd
ripemd-160
f5c12bf7496cb00e0f6995501b563a93bac6467c
Diameter
39999834
Circumference
125663184.63921
Area
1.2566266313699E+15
Volume
3.3509904436518E+22
Surface area
5.0265065254798E+15
Circumference
125663184.63921
Perimeter
79999668
Area
399996680006889
Diagonal
28284153.867736
Surface area
2399980080041334
Volume
7.9999004004133E+21
Space diagonal
34640872.391161
Perimeter
59999751
Area
1.732036431577E+14
Altitude
17320436.19558
Surface area
1.732036431577E+14
Volume
9.4279730365821E+20
Height
9428051.2892454