19949897 is an odd 8-digits composite number following 19949896
and preceding 19949898 . In scientific notation, it is written as 1.9949897 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 18136260 positive integers (up to 19949897) that are relatively prime to 19949897.
19949897 has 4 divisors, whose sum is 21763536
The reverse of 19949897 is 79894991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million nine hundred forty-nine thousand eight hundred ninety-seven
Scientific notation
1.9949897 × 10^7
Engineering notation
1.9949897 × 10^6
Prime Factorization
11 × 1813627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19949897
Product of the distinct prime numbers
The prime factorization of 19949897 is 11 × 1813627.
Since it has a total of 2 prime factors.
3 , 2 , 27 , 28 , 463 , 981 , 5142 , 540 , 9262 , 69022 , 536274 , 500058 , 9793198 , 1953242 , 71227272 , 70691241 , 221313622 , 371144543 , 9585966361 , 1792106668
n×2
39899794
n×3
59849691
n×4
79799588
n×5
99749485
n÷2
9974948.5
n÷3
6649965.6666667
n÷3
4987474.25
n÷5
3989979.4
n2
397998390310609
n3
7.9400268928624E+21
n4
1.5840271868984E+29
n5
3.1601179223822E+36
2 √n
4466.5307566388
3 √n
271.2149046739
4 √n
66.832108725064
5 √n
28.839526891155
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19949896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19949897 can be divided by 4 positive divisors.
The sum of these divisors (counting 19949897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000110100101001001
3
Ternary
1101112120010002
4
Quaternary
1030012211021
5
Quinary
20101344042
6
Senary
1551332345
8
Octal
114064511
10
Decimal
19949897
12
Duodecimal
68210b5
16
Hexadecimal
1306949
20
Vigesimal
64deeh
36
Base36
bvlft
md5
ef25541971eeade5dacc442a0c046ef4
sha1
2e9b733948d89c0f17ee445488af84240ca3cad1
sha256
893e41efefd153416816f78cb0cbe1dc734eb48e4efe0724a1c6d0192f8c9d3e
sha512
0d5f2e082d40b4836e452f314761aa099f72d943df7fbfc4b4846dd89de715eae09ab819d1328cc807ad582ab57002df48e0f5a22adbc89a98cc1badc9dc7c8a
ripemd-160
3580a22f2cec85dcffdc7203312d086d6ef84688
Diameter
39899794
Circumference
125348899.71015
Area
1.2503488191404E+15
Volume
3.3259106874563E+22
Surface area
5.0013952765615E+15
Circumference
125348899.71015
Perimeter
79799588
Area
397998390310609
Diagonal
28213414.905346
Surface area
2387990341863654
Volume
7.9400268928624E+21
Space diagonal
34554235.209766
Perimeter
59849691
Area
1.7233835833715E+14
Altitude
17277117.604883
Surface area
1.7233835833715E+14
Volume
9.3574114312443E+20
Height
9404471.6351154