19991264 is an even 8-digits composite number following 19991263
and preceding 19991265 . In scientific notation, it is written as 1.9991264 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 12 positive divisors.
There are 9995616 positive integers (up to 19991264) that are relatively prime to 19991264.
19991264 has 12 divisors, whose sum is 39357864
The reverse of 19991264 is 46219991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety-one thousand two hundred sixty-four
Scientific notation
1.9991264 × 10^7
Engineering notation
1.9991264 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 624727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1249454
Product of the distinct prime numbers
The prime factorization of 19991264 is 2 × 2 × 2 × 2 × 2 × 624727.
Since it has a total of 6 prime factors.
10 , 3 , 37 , 11 , 481 , 361 , 1784 , 7769 , 5059 , 75084 , 622276 , 722105 , 1607160 , 5581970 , 25734224 , 19668043 , 157022465 , 907666502 , 7196900068 , 1631255609
n×2
39982528
n×3
59973792
n×4
79965056
n×5
99956320
n÷2
9995632
n÷3
6663754.6666667
n÷3
4997816
n÷5
3998252.8
n2
399650636317696
n3
7.989521378395E+21
n4
1.5972063110914E+29
n5
3.1930173027494E+36
2 √n
4471.1591338265
3 √n
271.4022339832
4 √n
66.866726657034
5 √n
28.851476992339
1 , 2 , 4 , 8 , 16 , 32 , 624727 , 1249454 , 2498908 , 4997816 , 9995632 , 19991264
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
-19991263
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 19991264 can be divided by 12 positive divisors.
The sum of these divisors (counting 19991264) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010000101011100000
3
Ternary
1101121122212012
4
Quaternary
1030100223200
5
Quinary
20104210024
6
Senary
1552252052
8
Octal
114205340
10
Decimal
19991264
12
Duodecimal
6841028
16
Hexadecimal
1310ae0
20
Vigesimal
64ii34
36
Base36
bwhcw
md5
a5f6c7e54a045c6cdec38cbb61fb23e1
sha1
df3a3533bc2bc08b4bd1d742c1f8d8f749d07da6
sha256
9a51a4d43481cf885dbe647713a3e0c544df98f5032e746504e5bcca70953d91
sha512
ee567625bd4378522e564b01dd2f4ea21f2605b6d763c12a97a03605eb75c2efa4c550457cfcedcddea242bf3c0f0273fde44ef6b63238b77bf486c8673a2196
ripemd-160
16cbe89ecaf23adc8f4e47c97bb63a68971b5ba5
Diameter
39982528
Circumference
125608816.23675
Area
1.2555395030582E+15
Volume
3.3466428890753E+22
Surface area
5.0221580122326E+15
Circumference
125608816.23675
Perimeter
79965056
Area
399650636317696
Diagonal
28271916.677781
Surface area
2397903817906176
Volume
7.989521378395E+21
Space diagonal
34625884.955523
Perimeter
59973792
Area
1.7305380184487E+14
Altitude
17312942.477761
Surface area
1.7305380184487E+14
Volume
9.4157412418301E+20
Height
9423972.225927