19397890 is an even 8-digits composite number following 19397889
and preceding 19397891 . In scientific notation, it is written as 1.9397890 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 7745920 positive integers (up to 19397890) that are relatively prime to 19397890.
19397890 has 16 divisors, whose sum is 34975800
The reverse of 19397890 is 09879391
Previous prime number is 761
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million three hundred ninety-seven thousand eight hundred ninety
Scientific notation
1.9397890 × 10^7
Engineering notation
1.9397890 × 10^6
Prime Factorization
2 × 5 × 761 × 2549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19397890
Product of the distinct prime numbers
The prime factorization of 19397890 is 2 × 5 × 761 × 2549.
Since it has a total of 4 prime factors.
4 , 8 , 83 , 98 , 159 , 43 , 7413 , 5856 , 36990 , 44240 , 778225 , 196264 , 9810331 , 5406896 , 22113281 , 49747533 , 757963803 , 566245207 , 8361521974 , 2074017454
n×2
38795780
n×3
58193670
n×4
77591560
n×5
96989450
n÷2
9698945
n÷3
6465963.3333333
n÷3
4849472.5
n÷5
3879578
n2
376278136452100
n3
7.2990019003028E+21
n4
1.4158523597187E+29
n5
2.7464548330063E+36
2 √n
4404.3035771845
3 √n
268.68999633901
4 √n
66.364927312433
5 √n
28.678134579101
1 , 2 , 5 , 10 , 761 , 1522 , 2549 , 3805 , 5098 , 7610 , 12745 , 25490 , 1939789 , 3879578 , 9698945 , 19397890
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
-19397889
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 19397890 can be divided by 16 positive divisors.
The sum of these divisors (counting 19397890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001001111111110100000010
3
Ternary
1100111111220101
4
Quaternary
1021333310002
5
Quinary
14431213030
6
Senary
1531433014
8
Octal
111776402
10
Decimal
19397890
12
Duodecimal
65b576a
16
Hexadecimal
127fd02
20
Vigesimal
614eea
36
Base36
bjria
md5
1e0c3f0c6f96f6fb224f2c78ccc7e7bb
sha1
c633173197b9ced11f5dbb884c90ed6edfe1e239
sha256
35187a3d57ff646e2c85f20d798f195c4a28cbcd146d3194f679097297a80a3a
sha512
0d890cd608836f51451cad4d1e6af52bfe999c5d88b136822a1dabce58f9a053c5f33433fc33aade57468d329aa8495d87ccb422299d0ade36f37277b7f9653f
ripemd-160
4d064c8bdb3f1bf39e6f88f6d4b47636a87a2872
Diameter
38795780
Circumference
121880537.43829
Area
1.1821126291844E+15
Volume
3.0573987664706E+22
Surface area
4.7284505167375E+15
Circumference
121880537.43829
Perimeter
77591560
Area
376278136452100
Diagonal
27432759.119421
Surface area
2257668818712600
Volume
7.2990019003028E+21
Space diagonal
33598131.039632
Perimeter
58193670
Area
1.6293321252809E+14
Altitude
16799065.519816
Surface area
1.6293321252809E+14
Volume
8.6019562326627E+20
Height
9144253.0398071