19938142 is an even 8-digits composite number following 19938141
and preceding 19938143 . In scientific notation, it is written as 1.9938142 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8518968 positive integers (up to 19938142) that are relatively prime to 19938142.
19938142 has 16 divisors, whose sum is 34283520
The reverse of 19938142 is 24183991
Previous prime number is 359
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred thirty-eight thousand one hundred forty-two
Scientific notation
1.9938142 × 10^7
Engineering notation
1.9938142 × 10^6
Prime Factorization
2 × 7 × 359 × 3967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19938142
Product of the distinct prime numbers
The prime factorization of 19938142 is 2 × 7 × 359 × 3967.
Since it has a total of 4 prime factors.
1 , 3 , 98 , 66 , 927 , 923 , 832 , 9677 , 9954 , 29837 , 459298 , 698178 , 4541075 , 5939134 , 10469303 , 36347038 , 979883019 , 600589257 , 853772720 , 1673548399
n×2
39876284
n×3
59814426
n×4
79752568
n×5
99690710
n÷2
9969071
n÷3
6646047.3333333
n÷3
4984535.5
n÷5
3987628.4
n2
397529506412164
n3
7.9259997480356E+21
n4
1.580297084683E+29
n5
3.1508187676595E+36
2 √n
4465.2146644926
3 √n
271.16162524116
4 √n
66.822261743319
5 √n
28.836127489464
1 , 2 , 7 , 14 , 359 , 718 , 2513 , 3967 , 5026 , 7934 , 27769 , 55538 , 1424153 , 2848306 , 9969071 , 19938142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19938141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19938142 can be divided by 16 positive divisors.
The sum of these divisors (counting 19938142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100000011101101011110
3
Ternary
1101111221222201
4
Quaternary
1030003231132
5
Quinary
20101010032
6
Senary
1551202114
8
Octal
114035536
10
Decimal
19938142
12
Duodecimal
681633a
16
Hexadecimal
1303b5e
20
Vigesimal
64c572
36
Base36
bvcda
md5
a407f6e9ed59952b596682b9845fb757
sha1
95810830048c119f235cb53c5b914f148b62c323
sha256
f8c6023d1c4f973af5ed234228c541b5ecf66696d2803080f4a3c3c188123c73
sha512
2b7382eb51e2657ceb393a863d30a09a2000f87fc36b6a3763d3141f9b34c5400865ae065bca7a256f010f1cbad74a3ace334f9d3b6f2bbe833009220be5d795
ripemd-160
81a9f16d637c8ad7ccccfa9ad7c37e106fd029b3
Diameter
39876284
Circumference
125275040.86686
Area
1.2488757769296E+15
Volume
3.3200350107711E+22
Surface area
4.9955031077185E+15
Circumference
125275040.86686
Perimeter
79752568
Area
397529506412164
Diagonal
28196790.824921
Surface area
2385177038472984
Volume
7.9259997480356E+21
Space diagonal
34533874.952523
Perimeter
59814426
Area
1.7213532565341E+14
Altitude
17266937.476261
Surface area
1.7213532565341E+14
Volume
9.3408802825314E+20
Height
9398930.2749735