19387321 is an odd 8-digits composite number following 19387320
and preceding 19387322 . In scientific notation, it is written as 1.9387321 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 18234216 positive integers (up to 19387321) that are relatively prime to 19387321.
19387321 has 12 divisors, whose sum is 20606992
The reverse of 19387321 is 12378391
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million three hundred eighty-seven thousand three hundred twenty-one
Scientific notation
1.9387321 × 10^7
Engineering notation
1.9387321 × 10^6
Prime Factorization
23 × 23 × 67 × 547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
842927
Product of the distinct prime numbers
The prime factorization of 19387321 is 23 × 23 × 67 × 547.
Since it has a total of 4 prime factors.
7 , 9 , 61 , 1 , 157 , 532 , 966 , 4302 , 82344 , 19211 , 546205 , 226061 , 1282998 , 1956255 , 67226447 , 30879047 , 64262726 , 797810259 , 1603116917 , 2175436396
n×2
38774642
n×3
58161963
n×4
77549284
n×5
96936605
n÷2
9693660.5
n÷3
6462440.3333333
n÷3
4846830.25
n÷5
3877464.2
n2
375868215557041
n3
7.2870777487015E+21
n4
1.4127691546603E+29
n5
2.7389809100299E+36
2 √n
4403.1035645326
3 √n
268.64118861675
4 √n
66.355885681171
5 √n
28.675008823838
1 , 23 , 67 , 529 , 547 , 1541 , 12581 , 35443 , 36649 , 289363 , 842927 , 19387321
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19387320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19387321 can be divided by 12 positive divisors.
The sum of these divisors (counting 19387321) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001001111101001110111001
3
Ternary
1100110222101221
4
Quaternary
1021331032321
5
Quinary
14430343241
6
Senary
1531312041
8
Octal
111751671
10
Decimal
19387321
12
Duodecimal
65ab621
16
Hexadecimal
127d3b9
20
Vigesimal
613861
36
Base36
bjjcp
md5
7c6f81f75f921daafa89e7ee1a6e4e59
sha1
3fd1e899872e0aead20a9a6011654f2aabda24c4
sha256
88faf78781069fed986687625af9ee554bc3fa9ea0f4bc027e9f6a28376cb6b2
sha512
5dc65a0a16d585822e6d7484e72170bfd04b66da54405437c6f290a27fe16a969f4608c4e9a97ea5dabd6ebb4ea9c58119b539b5a2f0f0f731cd04611b188d73
ripemd-160
4ddec11dd1569f28ff7bdcb7ab544234ffa1e410
Diameter
38774642
Circumference
121814130.45277
Area
1.1808248247119E+15
Volume
3.0524039895278E+22
Surface area
4.7232992988476E+15
Circumference
121814130.45277
Perimeter
77549284
Area
375868215557041
Diagonal
27417812.296281
Surface area
2255209293342246
Volume
7.2870777487015E+21
Space diagonal
33579824.994647
Perimeter
58161963
Area
1.6275571157376E+14
Altitude
16789912.497324
Surface area
1.6275571157376E+14
Volume
8.5879034852341E+20
Height
9139270.7654269