19997449 is an odd 8-digits composite number following 19997448
and preceding 19997450 . In scientific notation, it is written as 1.9997449 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors.
There are 19351440 positive integers (up to 19997449) that are relatively prime to 19997449.
19997449 has 6 divisors, whose sum is 20664330
The reverse of 19997449 is 94479991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred ninety-seven thousand four hundred forty-nine
Scientific notation
1.9997449 × 10^7
Engineering notation
1.9997449 × 10^6
Prime Factorization
31 × 31 × 20809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
645079
Product of the distinct prime numbers
The prime factorization of 19997449 is 31 × 31 × 20809.
Since it has a total of 3 prime factors.
10 , 2 , 51 , 97 , 41 , 299 , 2677 , 8186 , 51084 , 69139 , 410094 , 821686 , 2387437 , 6238912 , 35842607 , 77250375 , 347455761 , 759180674 , 6711396896 , 3430651320
n×2
39994898
n×3
59992347
n×4
79989796
n×5
99987245
n÷2
9998724.5
n÷3
6665816.3333333
n÷3
4999362.25
n÷5
3999489.8
n2
399897966507601
n3
7.9969391904395E+21
n4
1.5991838361691E+29
n5
3.1979597205417E+36
2 √n
4471.8507354338
3 √n
271.43022036988
4 √n
66.87189794999
5 √n
28.853262015095
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997449 can be divided by 6 positive divisors.
The sum of these divisors (counting 19997449) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100010010001100001001
3
Ternary
1101121222100021
4
Quaternary
1030102030021
5
Quinary
20104404244
6
Senary
1552340441
8
Octal
114221411
10
Decimal
19997449
12
Duodecimal
6844721
16
Hexadecimal
1312309
20
Vigesimal
64jdc9
36
Base36
bwm4p
md5
4ed233d644d1ea549476f8879d86df84
sha1
80a658805294a0446cf12dbc71724d5494048d3f
sha256
8cf4d0be6ffec674ca13715cc1d6e766b9adf15cb23f1064399ee81be630a958
sha512
6430c3c8159e089057d7100b1fffe5c10a5ec0513811391014399f567042ec76ad79b2ae64861377ca1a34b8fca8d9beff76794e7037bc995cf653cc06452bd3
ripemd-160
787283a5429a6ae598d5521fb73f411de81f576a
Diameter
39994898
Circumference
125647677.73787
Area
1.2563165137658E+15
Volume
3.3497500549185E+22
Surface area
5.0252660550631E+15
Circumference
125647677.73787
Perimeter
79989796
Area
399897966507601
Diagonal
28280663.588664
Surface area
2399387799045606
Volume
7.9969391904395E+21
Space diagonal
34636597.689767
Perimeter
59992347
Area
1.7316089895866E+14
Altitude
17318298.844884
Surface area
1.7316089895866E+14
Volume
9.4244832171603E+20
Height
9426887.8628881