19809938 is an even 8-digits composite number following 19809937
and preceding 19809939 . In scientific notation, it is written as 1.9809938 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 9744000 positive integers (up to 19809938) that are relatively prime to 19809938.
19809938 has 16 divisors, whose sum is 30202200
The reverse of 19809938 is 83990891
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million eight hundred nine thousand nine hundred thirty-eight
Scientific notation
1.9809938 × 10^7
Engineering notation
1.9809938 × 10^6
Prime Factorization
2 × 101 × 281 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19809938
Product of the distinct prime numbers
The prime factorization of 19809938 is 2 × 101 × 281 × 349.
Since it has a total of 4 prime factors.
9 , 9 , 4 , 44 , 79 , 786 , 9349 , 10000 , 89914 , 60615 , 597346 , 414605 , 529732 , 2415271 , 513633 , 29735359 , 892433914 , 520488934 , 5094593101 , 1305278362
n×2
39619876
n×3
59429814
n×4
79239752
n×5
99049690
n÷2
9904969
n÷3
6603312.6666667
n÷3
4952484.5
n÷5
3961987.6
n2
392433643563844
n3
7.7740861481138E+21
n4
1.5400416460079E+29
n5
3.0508129524835E+36
2 √n
4450.8356518748
3 √n
270.57917738499
4 √n
66.714583502221
5 √n
28.798947973808
1 , 2 , 101 , 202 , 281 , 349 , 562 , 698 , 28381 , 35249 , 56762 , 70498 , 98069 , 196138 , 9904969 , 19809938
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
-19809937
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 19809938 can be divided by 16 positive divisors.
The sum of these divisors (counting 19809938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100100011010010010
3
Ternary
1101021110010102
4
Quaternary
1023210122102
5
Quinary
20032404223
6
Senary
1544332402
8
Octal
113443222
10
Decimal
19809938
12
Duodecimal
6774102
16
Hexadecimal
12e4692
20
Vigesimal
63g4gi
36
Base36
bslg2
md5
026fed32280aaba2ab997ddb26ed2920
sha1
5136d9ad35fe7ce90e1360d35bf23efd6782d9f1
sha256
900c18c10833f7e570399580e5fa20b759ae735b37fda1a00002ad784770d128
sha512
c469685959fed186da586ca53964710ade7f42acee9fe1026e3ccfb9e2ce1ace92b91827a9d0613960d85cfa2f0d8d2e754a940622bdc66db554a6e2fa5df2a1
ripemd-160
849c12f2c4ed862e3a287ba2d5dc905dfe11a702
Diameter
39619876
Circumference
124469511.37774
Area
1.2328666516416E+15
Volume
3.2564015908385E+22
Surface area
4.9314666065666E+15
Circumference
124469511.37774
Perimeter
79239752
Area
392433643563844
Diagonal
28015482.98937
Surface area
2354601861383064
Volume
7.7740861481138E+21
Space diagonal
34311819.110789
Perimeter
59429814
Area
1.6992875231299E+14
Altitude
17155909.555395
Surface area
1.6992875231299E+14
Volume
9.1618483880995E+20
Height
9338494.3297901