19910412 is an even 8-digits composite number following 19910411
and preceding 19910413 . In scientific notation, it is written as 1.9910412 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 6636792 positive integers (up to 19910412) that are relatively prime to 19910412.
19910412 has 12 divisors, whose sum is 38714760
The reverse of 19910412 is 21401991
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
nineteen million nine hundred ten thousand four hundred twelve
Scientific notation
1.9910412 × 10^7
Engineering notation
1.9910412 × 10^6
Prime Factorization
2 × 2 × 9 × 553067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9955206
Product of the distinct prime numbers
The prime factorization of 19910412 is 2 × 2 × 9 × 553067.
Since it has a total of 4 prime factors.
4 , 10 , 46 , 51 , 83 , 93 , 6808 , 2945 , 91203 , 58749 , 281973 , 83430 , 9052323 , 6523837 , 1970396 , 31261605 , 370308400 , 841956792 , 566460851 , 4083231313
n×2
39820824
n×3
59731236
n×4
79641648
n×5
99552060
n÷2
9955206
n÷3
6636804
n÷3
4977603
n÷5
3982082.4
n2
396424506009744
n3
7.8929752415505E+21
n4
1.5715238896507E+29
n5
3.1289688110788E+36
2 √n
4462.108470219
3 √n
271.03585624154
4 √n
66.799015488396
5 √n
28.828101956942
1 , 2 , 4 , 9 , 18 , 36 , 553067 , 1106134 , 2212268 , 4977603 , 9955206 , 19910412
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
-19910411
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 19910412 can be divided by 12 positive divisors.
The sum of these divisors (counting 19910412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111100111100001100
3
Ternary
1101110112221200
4
Quaternary
1023330330030
5
Quinary
20044113122
6
Senary
1550425500
8
Octal
113747414
10
Decimal
19910412
12
Duodecimal
6802290
16
Hexadecimal
12fcf0c
20
Vigesimal
648g0c
36
Base36
buqz0
md5
8a2b8e81de8bfc52f2d7b49445808c97
sha1
abea64ced5fa41025190c8f8c3be923970e0c7f0
sha256
3d9bff4066eb42cbd68e8379c4d6c2b9aae301a5885ca8ce09578bbd7d01ddad
sha512
d2a13890645f8d784b57d52bca4c20711184adf50d2c16929eba96fd79c3eb356c53144b7830acd6f747b3aece3e0ab5db253516c35f4540ebf3dd51d79886d8
ripemd-160
af2cf36b12422aeb7e53e06f4adc7195b22bd2c8
Diameter
39820824
Circumference
125100808.13829
Area
1.2454043157832E+15
Volume
3.3062017378428E+22
Surface area
4.9816172631327E+15
Circumference
125100808.13829
Perimeter
79641648
Area
396424506009744
Diagonal
28157574.682836
Surface area
2378547036058464
Volume
7.8929752415505E+21
Space diagonal
34485845.183629
Perimeter
59731236
Area
1.7165684644357E+14
Altitude
17242922.591815
Surface area
1.7165684644357E+14
Volume
9.3019605283965E+20
Height
9385858.227612