19991966 is an even 8-digits composite number following 19991965
and preceding 19991967 . In scientific notation, it is written as 1.9991966 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 9407968 positive integers (up to 19991966) that are relatively prime to 19991966.
19991966 has 8 divisors, whose sum is 31752000
The reverse of 19991966 is 66919991
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-one thousand nine hundred sixty-six
Scientific notation
1.9991966 × 10^7
Engineering notation
1.9991966 × 10^6
Prime Factorization
2 × 17 × 587999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19991966
Product of the distinct prime numbers
The prime factorization of 19991966 is 2 × 17 × 587999.
Since it has a total of 3 prime factors.
3 , 3 , 77 , 87 , 498 , 838 , 5335 , 6603 , 39999 , 5160 , 720226 , 482002 , 8331521 , 5251429 , 8392928 , 97630611 , 243685833 , 313239656 , 2720982871 , 4987105672
n×2
39983932
n×3
59975898
n×4
79967864
n×5
99959830
n÷2
9995983
n÷3
6663988.6666667
n÷3
4997991.5
n÷5
3998393.2
n2
399678704545156
n3
7.9903630721908E+21
n4
1.5974306686689E+29
n5
3.1935779615387E+36
2 √n
4471.2376362703
3 √n
271.40541073978
4 √n
66.867313661237
5 √n
28.851679615369
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
-19991965
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 19991966 can be divided by 8 positive divisors.
The sum of these divisors (counting 19991966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000110110011110
3
Ternary
1101121200211012
4
Quaternary
1030100312132
5
Quinary
20104220331
6
Senary
1552255222
8
Octal
114206636
10
Decimal
19991966
12
Duodecimal
6841512
16
Hexadecimal
1310d9e
20
Vigesimal
64iji6
36
Base36
bwhwe
md5
9f03aa9cbf4bea73b940f1d1331c5c48
sha1
3df18cd23b74be8d87368eca90d7c0a6e3565f93
sha256
7bec59d0e07ae02e2d4cf7d757eda6060ed2684abe97db48029c2602e929a2af
sha512
5fd819cf0b345ee30ce98216990eb29c6fd0f486f7b689665b5e2a7cfc14df41000e6b6ee50ee46ee5fa7866cf502603cb5928f1781f9b4ec9c404f871ef8614
ripemd-160
d214524e6b74b2d45041c3d0e76483622312280e
Diameter
39983932
Circumference
125613227.03283
Area
1.2556276819953E+15
Volume
3.346995456948E+22
Surface area
5.0225107279814E+15
Circumference
125613227.03283
Perimeter
79967864
Area
399678704545156
Diagonal
28272909.455702
Surface area
2398072227270936
Volume
7.9903630721908E+21
Space diagonal
34627100.85519
Perimeter
59975898
Area
1.7306595574388E+14
Altitude
17313550.427595
Surface area
1.7306595574388E+14
Volume
9.4167331874812E+20
Height
9424303.1519006