19006921 is an odd 8-digits composite number following 19006920
and preceding 19006922 . In scientific notation, it is written as 1.9006921 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 18861700 positive integers (up to 19006921) that are relatively prime to 19006921.
19006921 has 4 divisors, whose sum is 19152144
The reverse of 19006921 is 12960091
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
nineteen million six thousand nine hundred twenty-one
Scientific notation
1.9006921 × 10^7
Engineering notation
1.9006921 × 10^6
Prime Factorization
131 × 145091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19006921
Product of the distinct prime numbers
The prime factorization of 19006921 is 131 × 145091.
Since it has a total of 2 prime factors.
7 , 7 , 10 , 62 , 862 , 321 , 5736 , 167 , 59938 , 2633 , 149750 , 41547 , 4633409 , 4393799 , 8517975 , 84787424 , 674758469 , 411375112 , 7577469952 , 8393524988
n×2
38013842
n×3
57020763
n×4
76027684
n×5
95034605
n÷2
9503460.5
n÷3
6335640.3333333
n÷3
4751730.25
n÷5
3801384.2
n2
361263045900241
n3
6.8664981736453E+21
n4
1.3051098833312E+29
n5
2.4806120448795E+36
2 √n
4359.6927644044
3 √n
266.87256095265
4 √n
66.027969561424
5 √n
28.561588246362
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
-19006920
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 19006921 can be divided by 4 positive divisors.
The sum of these divisors (counting 19006921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000100000010111001001
3
Ternary
1022202122121001
4
Quaternary
1020200113021
5
Quinary
14331210141
6
Senary
1515215001
8
Octal
110402711
10
Decimal
19006921
12
Duodecimal
6447461
16
Hexadecimal
12205c9
20
Vigesimal
5ifh61
36
Base36
bbdu1
md5
1ed0544ba17a432d08f37ef5602734f9
sha1
c7b454b3794a0105af725b39b1465b49a20accc0
sha256
833508af84de117aa9d626d56a1ab87aec1fa8f19aae566aa0b2bd407e6a8e7c
sha512
f009ad2a23d317249eae967cd4dcb95d9b4971f73fa0c50e67cce24383e0f51c5fc44c28fd3be586c554c4b6f931c52be613cbf27a958cf2ff1a80f83cd12845
ripemd-160
3040830ac825a462da78ba9713ca7e044c1b3c9a
Diameter
38013842
Circumference
119424006.76192
Area
1.1349413310137E+15
Volume
2.8762320290949E+22
Surface area
4.5397653240547E+15
Circumference
119424006.76192
Perimeter
76027684
Area
361263045900241
Diagonal
26879845.457154
Surface area
2167578275401446
Volume
6.8664981736453E+21
Space diagonal
32920952.867448
Perimeter
57020763
Area
1.5643148759908E+14
Altitude
16460476.433724
Surface area
1.5643148759908E+14
Volume
8.0922457026493E+20
Height
8959948.485718