19979438 is an even 8-digits composite number following 19979437
and preceding 19979439 . In scientific notation, it is written as 1.9979438 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 9667440 positive integers (up to 19979438) that are relatively prime to 19979438.
19979438 has 8 divisors, whose sum is 30936000
The reverse of 19979438 is 83497991
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred seventy-nine thousand four hundred thirty-eight
Scientific notation
1.9979438 × 10^7
Engineering notation
1.9979438 × 10^6
Prime Factorization
2 × 31 × 322249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19979438
Product of the distinct prime numbers
The prime factorization of 19979438 is 2 × 31 × 322249.
Since it has a total of 3 prime factors.
7 , 5 , 3 , 80 , 875 , 793 , 5730 , 6705 , 93596 , 56313 , 650418 , 161915 , 1533912 , 5596517 , 64512270 , 76953910 , 326715571 , 478797031 , 2653727826 , 8072584820
n×2
39958876
n×3
59938314
n×4
79917752
n×5
99897190
n÷2
9989719
n÷3
6659812.6666667
n÷3
4994859.5
n÷5
3995887.6
n2
399177942795844
n3
7.9753509590571E+21
n4
1.5934303001472E+29
n5
3.1835841889113E+36
2 √n
4469.8364623328
3 √n
271.34870667054
4 √n
66.856835569243
5 √n
28.848062717675
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
-19979437
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 19979438 can be divided by 8 positive divisors.
The sum of these divisors (counting 19979438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001101110010101110
3
Ternary
1101121001122012
4
Quaternary
1030031302232
5
Quinary
20103320223
6
Senary
1552121222
8
Octal
114156256
10
Decimal
19979438
12
Duodecimal
6836212
16
Hexadecimal
130dcae
20
Vigesimal
64h8bi
36
Base36
bw88e
md5
a280ed9b0fb9a0021416ac05bc0a773b
sha1
427e3c7c9ed8a59ef6853a142347eea162e2488c
sha256
bbd88e3ce224fa0c9824bd53f5b42671d6850da0ab30e0c7f3c5a869171433cf
sha512
12a7f0e6f781d883b72d2ca9a5dc7c077b65e1ef28a63ae78e0f36e3a7d4c4399518f5d2643c731f13f2112ce0bcb3fdde576759d80ae809f29ed34f8f53183a
ripemd-160
ffc56f4998fd63857d645c3472dd0ce5c640db3a
Diameter
39958876
Circumference
125534511.28731
Area
1.2540544925625E+15
Volume
3.3407071977032E+22
Surface area
5.01621797025E+15
Circumference
125534511.28731
Perimeter
79917752
Area
399177942795844
Diagonal
28255192.188192
Surface area
2395067656775064
Volume
7.9753509590571E+21
Space diagonal
34605401.722672
Perimeter
59938314
Area
1.7284911954581E+14
Altitude
17302700.861336
Surface area
1.7284911954581E+14
Volume
9.3990412424865E+20
Height
9418397.3960641