19931749 is an odd 8-digits composite number following 19931748
and preceding 19931750 . In scientific notation, it is written as 1.9931749 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 19915020 positive integers (up to 19931749) that are relatively prime to 19931749.
19931749 has 4 divisors, whose sum is 19948480
The reverse of 19931749 is 94713991
Previous prime number is 1291
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred thirty-one thousand seven hundred forty-nine
Scientific notation
1.9931749 × 10^7
Engineering notation
1.9931749 × 10^6
Prime Factorization
1291 × 15439
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19931749
Product of the distinct prime numbers
The prime factorization of 19931749 is 1291 × 15439.
Since it has a total of 2 prime factors.
3 , 5 , 38 , 52 , 559 , 353 , 9191 , 5620 , 97642 , 77190 , 933234 , 590713 , 2203933 , 2569322 , 60626371 , 77945478 , 884175944 , 541306551 , 4842736715 , 3806633495
n×2
39863498
n×3
59795247
n×4
79726996
n×5
99658745
n÷2
9965874.5
n÷3
6643916.3333333
n÷3
4982937.25
n÷5
3986349.8
n2
397274618199001
n3
7.9183779740133E+21
n4
1.5782712226516E+29
n5
3.1457705863815E+36
2 √n
4464.4987400603
3 √n
271.13264023369
4 √n
66.816904598015
5 √n
28.834278039183
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
-19931748
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 19931749 can be divided by 4 positive divisors.
The sum of these divisors (counting 19931749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000010001001100101
3
Ternary
1101111122012221
4
Quaternary
1030002021211
5
Quinary
20100303444
6
Senary
1551112341
8
Octal
114021145
10
Decimal
19931749
12
Duodecimal
68126b1
16
Hexadecimal
1302265
20
Vigesimal
64b979
36
Base36
bv7fp
md5
a13916d62a68b6d5e23e239246f64334
sha1
cdf80d242ba249dc68d3803bdd4c3669d2b1bf89
sha256
a6e78fe52dcacaca6a170ef0b68b33377287b1520b3a0e5602d6c600d28f0fc1
sha512
edd37ab4a89312a0253085d93e32a63883ed31b413245e4d71d196457e14988050e0d454f8874205ca5f2db11fe94c86c5ae9e8a6656137305cc4753771c57b3
ripemd-160
2690937a8253bef00be4f6c04f91e59719fa4570
Diameter
39863498
Circumference
125234872.46319
Area
1.2480750219917E+15
Volume
3.3168424095343E+22
Surface area
4.9923000879667E+15
Circumference
125234872.46319
Perimeter
79726996
Area
397274618199001
Diagonal
28187749.757616
Surface area
2383647709194006
Volume
7.9183779740133E+21
Space diagonal
34522801.95171
Perimeter
59795247
Area
1.7202495581955E+14
Altitude
17261400.975855
Surface area
1.7202495581955E+14
Volume
9.331897935705E+20
Height
9395916.5858721