20191395 is an odd 8-digits composite number following 20191394
and preceding 20191396 . In scientific notation, it is written as 2.0191395 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 8418816 positive integers (up to 20191395) that are relatively prime to 20191395.
20191395 has 32 divisors, whose sum is 26880000
The reverse of 20191395 is 59319102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred ninety-one thousand three hundred ninety-five
Scientific notation
2.0191395 × 10^7
Engineering notation
2.0191395 × 10^6
Prime Factorization
15 × 7 × 19 × 29 × 349
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20191395
Product of the distinct prime numbers
The prime factorization of 20191395 is 15 × 7 × 19 × 29 × 349.
Since it has a total of 5 prime factors.
1 , 10 , 94 , 77 , 799 , 586 , 1792 , 3182 , 22097 , 32556 , 44274 , 683465 , 6051169 , 2621778 , 48015227 , 29566627 , 695873874 , 933245412 , 9477925926 , 3488032191
n×2
40382790
n×3
60574185
n×4
80765580
n×5
100956975
n÷2
10095697.5
n÷3
6730465
n÷3
5047848.75
n÷5
4038279
n2
407692432046025
n3
8.2318789339519E+21
n4
1.662131191476E+29
n5
3.3560747428913E+36
2 √n
4493.4836151921
3 √n
272.30489077645
4 √n
67.033451464117
5 √n
28.909013037378
1 , 7 , 15 , 19 , 29 , 105 , 133 , 203 , 285 , 349 , 435 , 551 , 1995 , 2443 , 3045 , 3857 , 5235 , 6631 , 8265 , 10121 , 36645 , 46417 , 57855 , 70847 , 99465 , 151815 , 192299 , 696255 , 1062705 , 1346093 , 2884485 , 20191395
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20191394
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191395 can be divided by 32 positive divisors.
The sum of these divisors (counting 20191395) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000001100010100011
3
Ternary
1101222211101110
4
Quaternary
1031001202203
5
Quinary
20132111040
6
Senary
2000434403
8
Octal
115014243
10
Decimal
20191395
12
Duodecimal
6918a03
16
Hexadecimal
13418a3
20
Vigesimal
663i9f
36
Base36
c0rs3
md5
77212e04e1ea2734115729bada1fdbe5
sha1
4a181e7a79a9953632c51bfbe479922cec39c18a
sha256
7087c8bcfc1ac8419b9942c634f3a3770662898a6cc1d11625bce9d9b39117a6
sha512
a6cf23e5408fc9a451461cf9994e364b8a0af988a46a8dd68861bb888ba35f6a3da2cf1a9d73b354bea977d68dd826c000cd9001ef9904b56d0262fb23fdb6e5
ripemd-160
ac5548b8bd6ea3ae6184f160d57b615b4497fe57
Diameter
40382790
Circumference
126866276.39546
Area
1.2808035494399E+15
Volume
3.4481613845525E+22
Surface area
5.1232141977598E+15
Circumference
126866276.39546
Perimeter
80765580
Area
407692432046025
Diagonal
28554944.652232
Surface area
2446154592276150
Volume
8.2318789339519E+21
Space diagonal
34972522.015692
Perimeter
60574185
Area
1.7653600154126E+14
Altitude
17486261.007846
Surface area
1.7653600154126E+14
Volume
9.7013623601735E+20
Height
9518314.8840774