19990465 is an odd 8-digits composite number following 19990464
and preceding 19990466 . In scientific notation, it is written as 1.9990465 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 14538480 positive integers (up to 19990465) that are relatively prime to 19990465.
19990465 has 8 divisors, whose sum is 26169408
The reverse of 19990465 is 56409991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred ninety thousand four hundred sixty-five
Scientific notation
1.9990465 × 10^7
Engineering notation
1.9990465 × 10^6
Prime Factorization
5 × 11 × 363463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19990465
Product of the distinct prime numbers
The prime factorization of 19990465 is 5 × 11 × 363463.
Since it has a total of 3 prime factors.
10 , 8 , 19 , 15 , 985 , 144 , 7396 , 7477 , 21741 , 22532 , 864292 , 771528 , 7540382 , 419021 , 72029743 , 53707491 , 167006797 , 866287420 , 7588983622 , 9785843057
n×2
39980930
n×3
59971395
n×4
79961860
n×5
99952325
n÷2
9995232.5
n÷3
6663488.3333333
n÷3
4997616.25
n÷5
3998093
n2
399618690916225
n3
7.9885634541066E+21
n4
1.596950981296E+29
n5
3.1923792698313E+36
2 √n
4471.0697825017
3 √n
271.39861818259
4 √n
66.866058523751
5 √n
28.851246364614
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
-19990464
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 19990465 can be divided by 8 positive divisors.
The sum of these divisors (counting 19990465) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000011111000001
3
Ternary
1101121121202121
4
Quaternary
1030100133001
5
Quinary
20104143330
6
Senary
1552244241
8
Octal
114203701
10
Decimal
19990465
12
Duodecimal
6840681
16
Hexadecimal
13107c1
20
Vigesimal
64ig35
36
Base36
bwgqp
md5
b83b17fbd4df69d363e7fa3d58f45070
sha1
89cbe57a256e927114e76242ac6730557d821301
sha256
62e6c6b2c7b8a856b96d20319d5e725ba934fab7b9f07c91cb219fb680969d2e
sha512
d47eb002c2cbe2864beb14122bd2cd185216276cb8b1c11b9f52d7f1abafdf1bf164a08ccf64b52eeeaa22b5dfc988d8ee47625b868b6e0fe6fd76caf9490721
ripemd-160
8354f2fdb8530cacf0d5221ee6a670b2b8fd49d0
Diameter
39980930
Circumference
125603795.97169
Area
1.2554391436196E+15
Volume
3.3462416346876E+22
Surface area
5.0217565744783E+15
Circumference
125603795.97169
Perimeter
79961860
Area
399618690916225
Diagonal
28270786.721145
Surface area
2397712145497350
Volume
7.9885634541066E+21
Space diagonal
34624501.046927
Perimeter
59971395
Area
1.7303996908027E+14
Altitude
17312250.523464
Surface area
1.7303996908027E+14
Volume
9.4146123172297E+20
Height
9423595.5737149