19001621 is an odd 8-digits composite number following 19001620
and preceding 19001622 . In scientific notation, it is written as 1.9001621 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 18805632 positive integers (up to 19001621) that are relatively prime to 19001621.
19001621 has 4 divisors, whose sum is 19197612
The reverse of 19001621 is 12610091
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
nineteen million one thousand six hundred twenty-one
Scientific notation
1.9001621 × 10^7
Engineering notation
1.9001621 × 10^6
Prime Factorization
97 × 195893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19001621
Product of the distinct prime numbers
The prime factorization of 19001621 is 97 × 195893.
Since it has a total of 2 prime factors.
7 , 7 , 18 , 11 , 261 , 316 , 628 , 5493 , 98594 , 23419 , 2122 , 932034 , 5785016 , 2937877 , 23637904 , 20036507 , 924754961 , 578657350 , 6544624043 , 6198966544
n×2
38003242
n×3
57004863
n×4
76006484
n×5
95008105
n÷2
9500810.5
n÷3
6333873.6666667
n÷3
4750405.25
n÷5
3800324.2
n2
361061600627641
n3
6.8607556927798E+21
n4
1.3036547944779E+29
n5
2.4771554319503E+36
2 √n
4359.0848810272
3 √n
266.84775321617
4 √n
66.023366174614
5 √n
28.559995212911
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19001620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19001621 can be divided by 4 positive divisors.
The sum of these divisors (counting 19001621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011111000100010101
3
Ternary
1022202101022202
4
Quaternary
1020133010111
5
Quinary
14331022441
6
Senary
1515134245
8
Octal
110370425
10
Decimal
19001621
12
Duodecimal
6444385
16
Hexadecimal
121f115
20
Vigesimal
5if411
36
Base36
bb9qt
md5
2e23b89dbfb0bdfb3ebd318e66b2a23e
sha1
185dbd39ba0906d8a7674b73efb84772c627c654
sha256
bea295c38934570ca8caa70bb61e998496b8a670e841534c49b210235ba7501e
sha512
13b44d069ba94415d28c34c9076d6a40c879dec24c68d0b6e915f650f39131ff5772b9e521d74a72c4f42f2964c185edf589687ab83b38a2680d8503e7bb0b8a
ripemd-160
921d087297dfbadde1be88e3bf5ba1b0e54e9ce9
Diameter
38003242
Circumference
119390705.8798
Area
1.1343084720252E+15
Volume
2.8738266243348E+22
Surface area
4.5372338881007E+15
Circumference
119390705.8798
Perimeter
76006484
Area
361061600627641
Diagonal
26872350.125273
Surface area
2166369603765846
Volume
6.8607556927798E+21
Space diagonal
32911772.998168
Perimeter
57004863
Area
1.563442592373E+14
Altitude
16455886.499084
Surface area
1.563442592373E+14
Volume
8.085478124048E+20
Height
8957450.0417578