19009921 is an odd 8-digits composite number following 19009920
and preceding 19009922 . In scientific notation, it is written as 1.9009921 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16208640 positive integers (up to 19009921) that are relatively prime to 19009921.
19009921 has 8 divisors, whose sum is 21839744
The reverse of 19009921 is 12990091
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million nine thousand nine hundred twenty-one
Scientific notation
1.9009921 × 10^7
Engineering notation
1.9009921 × 10^6
Prime Factorization
7 × 193 × 14071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19009921
Product of the distinct prime numbers
The prime factorization of 19009921 is 7 × 193 × 14071.
Since it has a total of 3 prime factors.
8 , 7 , 24 , 28 , 82 , 766 , 1156 , 7688 , 49529 , 11068 , 870390 , 267381 , 5487023 , 2771993 , 79826608 , 75785266 , 378617787 , 682923350 , 5359602229 , 2645777954
n×2
38019842
n×3
57029763
n×4
76039684
n×5
95049605
n÷2
9504960.5
n÷3
6336640.3333333
n÷3
4752480.25
n÷5
3801984.2
n2
361377096426241
n3
6.8697500542722E+21
n4
1.3059340582146E+29
n5
2.4825703277869E+36
2 √n
4360.0368117712
3 √n
266.8866010237
4 √n
66.030574825388
5 √n
28.56248980591
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
-19009920
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 19009921 can be divided by 8 positive divisors.
The sum of these divisors (counting 19009921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000100001000110000001
3
Ternary
1022202210201011
4
Quaternary
1020201012001
5
Quinary
14331304141
6
Senary
1515240521
8
Octal
110410601
10
Decimal
19009921
12
Duodecimal
6449141
16
Hexadecimal
1221181
20
Vigesimal
5ig4g1
36
Base36
bbg5d
md5
aac08f976372b9ba68ea31bb5812cd47
sha1
d9bb614179e05095e018f7b79caf735cfdb3d783
sha256
220c34acc4e7bc2c3c90afdda2cd0bbd8d526499178f51d667d01988049098ba
sha512
4b048b2a6cef0da4c7367fcc3cd037ab7aa0bb800fc06c3c6505ffb8823606b65084f00ee19751a7b8d688fa9e88a22c1e5ca20724e37f0e3d05844bdca2811e
ripemd-160
7e7f5aa02ff2eebbaa8bdbf01a89c38e385f79c8
Diameter
38019842
Circumference
119442856.31784
Area
1.1352996313083E+15
Volume
2.8775941736666E+22
Surface area
4.5411985252332E+15
Circumference
119442856.31784
Perimeter
76039684
Area
361377096426241
Diagonal
26884088.097841
Surface area
2168262578557446
Volume
6.8697500542722E+21
Space diagonal
32926149.019871
Perimeter
57029763
Area
1.5648087292549E+14
Altitude
16463074.509935
Surface area
1.5648087292549E+14
Volume
8.0960780807209E+20
Height
8961362.6992804