19001921 is an odd 8-digits prime number following 19001920
and preceding 19001922 . In scientific notation, it is written as 1.9001921 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 19001920 positive integers (up to 19001921) that are relatively prime to 19001921.
19001921 has 2 divisors, whose sum is 19001922
The reverse of 19001921 is 12910091
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
nineteen million one thousand nine hundred twenty-one
Scientific notation
1.9001921 × 10^7
Engineering notation
1.9001921 × 10^6
Prime Factorization
19001921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19001921
Product of the distinct prime numbers
The prime factorization of 19001921 is 19001921.
Since it has a total of 1 prime factors.
1 , 5 , 85 , 59 , 849 , 491 , 8205 , 9391 , 18382 , 66238 , 171439 , 939223 , 6225492 , 4024798 , 75282041 , 75145337 , 477782462 , 785280355 , 2725713979 , 2980865792
n×2
38003842
n×3
57005763
n×4
76007684
n×5
95009605
n÷2
9500960.5
n÷3
6333973.6666667
n÷3
4750480.25
n÷5
3800384.2
n2
361073001690241
n3
6.8610806533508E+21
n4
1.303737125496E+29
n5
2.4773509863442E+36
2 √n
4359.1192917836
3 √n
266.84915755083
4 √n
66.023626769389
5 √n
28.560085394106
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19001922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9500961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4359.1194064857
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998947475
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19001921 can be divided by 2 positive divisors.
The sum of these divisors (counting 19001921) is 19001922, the average is 9500961.
Base
System
Value
2
Binary
1001000011111001001000001
3
Ternary
1022202101201212
4
Quaternary
1020133021001
5
Quinary
14331030141
6
Senary
1515135505
8
Octal
110371101
10
Decimal
19001921
12
Duodecimal
6444595
16
Hexadecimal
121f241
20
Vigesimal
5if4g1
36
Base36
bb9z5
md5
6e73b28704645d279ec180de6a0c24b5
sha1
4ff00d71581a6a5ef6be0551b0990944c1acd60e
sha256
4eadd3c03c2ba6b0322f499ef985846f9bdebcdf1e542e4099be78fc521613f5
sha512
541b06817691b7ddc7106476d28fa7a375050c719067428c14d9d1d932f17528ec62e48f4087563fb130061a59df4389bbf814592810391487676d537abbb1ff
ripemd-160
a8bfbc791fbc62559f92827603fbdbc8f3a69aa1
Diameter
38003842
Circumference
119392590.83539
Area
1.1343442895197E+15
Volume
2.8739627435005E+22
Surface area
4.5373771580787E+15
Circumference
119392590.83539
Perimeter
76007684
Area
361073001690241
Diagonal
26872774.389342
Surface area
2166438010141446
Volume
6.8610806533508E+21
Space diagonal
32912292.61341
Perimeter
57005763
Area
1.5634919604223E+14
Altitude
16456146.306705
Surface area
1.5634919604223E+14
Volume
8.0858610937537E+20
Height
8957591.463114