19810138 is an even 8-digits composite number following 19810137
and preceding 19810139 . In scientific notation, it is written as 1.9810138 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9853020 positive integers (up to 19810138) that are relatively prime to 19810138.
19810138 has 8 divisors, whose sum is 29871360
The reverse of 19810138 is 83101891
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million eight hundred ten thousand one hundred thirty-eight
Scientific notation
1.9810138 × 10^7
Engineering notation
1.9810138 × 10^6
Prime Factorization
2 × 191 × 51859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19810138
Product of the distinct prime numbers
The prime factorization of 19810138 is 2 × 191 × 51859.
Since it has a total of 3 prime factors.
8 , 8 , 72 , 43 , 147 , 861 , 1790 , 5790 , 77027 , 11046 , 362119 , 337297 , 14802 , 5271774 , 84578715 , 33350766 , 755218154 , 466160917 , 396925511 , 4425482669
n×2
39620276
n×3
59430414
n×4
79240552
n×5
99050690
n÷2
9905069
n÷3
6603379.3333333
n÷3
4952534.5
n÷5
3962027.6
n2
392441567579044
n3
7.7743216106772E+21
n4
1.540103839639E+29
n5
3.0509669597578E+36
2 √n
4450.8581195091
3 √n
270.58008796589
4 √n
66.714751888238
5 √n
28.799006124079
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
-19810137
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 19810138 can be divided by 8 positive divisors.
The sum of these divisors (counting 19810138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011100100011101011010
3
Ternary
1101021110101211
4
Quaternary
1023210131122
5
Quinary
20032411023
6
Senary
1544333334
8
Octal
113443532
10
Decimal
19810138
12
Duodecimal
677424a
16
Hexadecimal
12e475a
20
Vigesimal
63g56i
36
Base36
bsllm
md5
553aaae97c685e06eb6b4557735337ba
sha1
f2e5b07bba995e351f274aa2a8591e7b50d993b5
sha256
74cfbb47b4b9b8d5289586cb91f23c6f68972af38736f15c3243999076893d49
sha512
44d9985c5a5b4f07f2947016fc1dacd8a5773d9b7a84ccaa71bc427940cb23ba726089d086f7bfee4dd2cc777f19cf7cade9c618eeb16c942b878987737f1fa6
ripemd-160
176172c6b9ce1d27e286a6b59b60a894c04db554
Diameter
39620276
Circumference
124470768.0148
Area
1.2328915456696E+15
Volume
3.2565002211664E+22
Surface area
4.9315661826783E+15
Circumference
124470768.0148
Perimeter
79240552
Area
392441567579044
Diagonal
28015765.832083
Surface area
2354649405474264
Volume
7.7743216106772E+21
Space diagonal
34312165.520951
Perimeter
59430414
Area
1.6993218351222E+14
Altitude
17156082.760475
Surface area
1.6993218351222E+14
Volume
9.1621258833916E+20
Height
9338588.6106942