19981370 is an even 8-digits composite number following 19981369
and preceding 19981371 . In scientific notation, it is written as 1.9981370 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 7977984 positive integers (up to 19981370) that are relatively prime to 19981370.
19981370 has 16 divisors, whose sum is 36032040
The reverse of 19981370 is 07318991
Previous prime number is 673
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred eighty-one thousand three hundred seventy
Scientific notation
1.9981370 × 10^7
Engineering notation
1.9981370 × 10^6
Prime Factorization
2 × 5 × 673 × 2969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981370
Product of the distinct prime numbers
The prime factorization of 19981370 is 2 × 5 × 673 × 2969.
Since it has a total of 4 prime factors.
10 , 2 , 2 , 100 , 42 , 149 , 6779 , 6188 , 90445 , 84647 , 754821 , 130974 , 5279816 , 4712289 , 28667902 , 73352440 , 854374851 , 124275798 , 412160887 , 9525169494
n×2
39962740
n×3
59944110
n×4
79925480
n×5
99906850
n÷2
9990685
n÷3
6660456.6666667
n÷3
4995342.5
n÷5
3996274
n2
399255147076900
n3
7.977664818148E+21
n4
1.594046724674E+29
n5
3.1851237402999E+36
2 √n
4470.0525723978
3 √n
271.35745280918
4 √n
66.858451764887
5 √n
28.848620614263
1 , 2 , 5 , 10 , 673 , 1346 , 2969 , 3365 , 5938 , 6730 , 14845 , 29690 , 1998137 , 3996274 , 9990685 , 19981370
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
-19981369
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 19981370 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981370) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010000111010
3
Ternary
1101121011021202
4
Quaternary
1030032100322
5
Quinary
20103400440
6
Senary
1552134202
8
Octal
114162072
10
Decimal
19981370
12
Duodecimal
6837362
16
Hexadecimal
130e43a
20
Vigesimal
64hd8a
36
Base36
bw9q2
md5
d0650d327bad83d5b5ae6053fdb93835
sha1
fe53bcdfc37daede43277bd84f9f241ac62a7aaf
sha256
b2989680f85fca654ca2124a4257fec85745640c2c0e61096607bbd23124e14c
sha512
17f3c965eaa65d51f107b75468eb7dba3f9f1c04bdc29dc288528461c903cfcb013cb3bc2bb3a1a50ca76edb56f8ebea51b9cbf722b13392669a61a36acdb1a4
ripemd-160
f485a7c38dd4d7ad7c2adc7ef778bd21a95c5dc8
Diameter
39962740
Circumference
125546650.40132
Area
1.2542970369647E+15
Volume
3.3416764247327E+22
Surface area
5.0171881478588E+15
Circumference
125546650.40132
Perimeter
79925480
Area
399255147076900
Diagonal
28257924.448795
Surface area
2395530882461400
Volume
7.977664818148E+21
Space diagonal
34608748.044833
Perimeter
59944110
Area
1.7288254998014E+14
Altitude
17304374.022416
Surface area
1.7288254998014E+14
Volume
9.4017681515763E+20
Height
9419308.1495983