19938081 is an odd 8-digits composite number following 19938080
and preceding 19938082 . In scientific notation, it is written as 1.9938081 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13278672 positive integers (up to 19938081) that are relatively prime to 19938081.
19938081 has 8 divisors, whose sum is 26610880
The reverse of 19938081 is 18083991
Previous prime number is 1213
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million nine hundred thirty-eight thousand eighty-one
Scientific notation
1.9938081 × 10^7
Engineering notation
1.9938081 × 10^6
Prime Factorization
3 × 1213 × 5479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19938081
Product of the distinct prime numbers
The prime factorization of 19938081 is 3 × 1213 × 5479.
Since it has a total of 3 prime factors.
3 , 5 , 94 , 37 , 450 , 785 , 1285 , 3461 , 10990 , 5142 , 726248 , 765241 , 2610707 , 3835205 , 67394329 , 56503585 , 392388761 , 444572412 , 4759037842 , 1538277271
n×2
39876162
n×3
59814243
n×4
79752324
n×5
99690405
n÷2
9969040.5
n÷3
6646027
n÷3
4984520.25
n÷5
3987616.2
n2
397527073962561
n3
7.9259270003585E+21
n4
1.5802777453324E+29
n5
3.1507705688934E+36
2 √n
4465.2078339087
3 √n
271.16134870459
4 √n
66.822210633207
5 √n
28.836109844832
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
-19938080
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 19938081 can be divided by 8 positive divisors.
The sum of these divisors (counting 19938081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100000011101100100001
3
Ternary
1101111221220110
4
Quaternary
1030003230201
5
Quinary
20101004311
6
Senary
1551201533
8
Octal
114035441
10
Decimal
19938081
12
Duodecimal
68162a9
16
Hexadecimal
1303b21
20
Vigesimal
64c541
36
Base36
bvcbl
md5
7c851ac7dc3360cb45e73278dd1a84d1
sha1
ae4d7daadf40f5f90d0491ca4a72786dd5ae6338
sha256
39c60ed0cdf546d31359cb97bfbf0a67a3871148a9cf1200e73503f578b5c11a
sha512
3bd04651c5e8380cf8062c2e7b2b823cba599f29069efc8a8624b92068a0825a8a50a35552d91d4236e962c213bcd792cf3494cb84b06ab3bee28b392e690be5
ripemd-160
3e8f5a476fb324fe71c9e5ceaa9272f4c6520e30
Diameter
39876162
Circumference
125274657.59256
Area
1.2488681351638E+15
Volume
3.3200045382954E+22
Surface area
4.9954725406553E+15
Circumference
125274657.59256
Perimeter
79752324
Area
397527073962561
Diagonal
28196704.557893
Surface area
2385162443775366
Volume
7.9259270003585E+21
Space diagonal
34533769.297424
Perimeter
59814243
Area
1.7213427237184E+14
Altitude
17266884.648712
Surface area
1.7213427237184E+14
Volume
9.3407945485718E+20
Height
9398901.5192978