19402005 is an odd 8-digits composite number following 19402004
and preceding 19402006 . In scientific notation, it is written as 1.9402005 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 8753472 positive integers (up to 19402005) that are relatively prime to 19402005.
19402005 has 16 divisors, whose sum is 23961600
The reverse of 19402005 is 50020491
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
nineteen million four hundred two thousand five
Scientific notation
1.9402005 × 10^7
Engineering notation
1.9402005 × 10^6
Prime Factorization
15 × 7 × 79 × 2339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19402005
Product of the distinct prime numbers
The prime factorization of 19402005 is 15 × 7 × 79 × 2339.
Since it has a total of 4 prime factors.
1 , 7 , 50 , 29 , 525 , 4 , 1859 , 4316 , 13247 , 81122 , 750001 , 176695 , 4403312 , 6585713 , 25940003 , 12176627 , 912694116 , 383976075 , 2160930687 , 5064045659
n×2
38804010
n×3
58206015
n×4
77608020
n×5
97010025
n÷2
9701002.5
n÷3
6467335
n÷3
4850501.25
n÷5
3880401
n2
376437798020025
n3
7.3036480393735E+21
n4
1.4170541577817E+29
n5
2.749369185455E+36
2 √n
4404.7707091289
3 √n
268.70899464519
4 √n
66.368446637909
5 √n
28.679351211543
1 , 7 , 15 , 79 , 105 , 553 , 1185 , 2339 , 8295 , 16373 , 35085 , 184781 , 245595 , 1293467 , 2771715 , 19402005
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19402004
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19402005 can be divided by 16 positive divisors.
The sum of these divisors (counting 19402005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000000110100010101
3
Ternary
1100111201112210
4
Quaternary
1022000310111
5
Quinary
14431331010
6
Senary
1531504033
8
Octal
112006425
10
Decimal
19402005
12
Duodecimal
65b8019
16
Hexadecimal
1280d15
20
Vigesimal
615505
36
Base36
bjuol
md5
056e8e826b09a93b3188a783c4e19af7
sha1
e75ea7e90cd2360283b3774d5e52ad01940cb0c2
sha256
1db06a2f1867605a9fc6ba40e62f1f16fdd1bc7d7f7bc8c4bbe73437b9170c77
sha512
8fc89e6dd64a7ae4e406ab9c54105a8f672d6910e82403a4cb655f10f1834730cfacbfe730b52ac8833473409dff37a3e0d6ae2fcab7e9f329a02a7e7a23ffac
ripemd-160
78a1228218fda72140ae75f21541a851fd8e6612
Diameter
38804010
Circumference
121906392.74582
Area
1.1826142207932E+15
Volume
3.0593449366535E+22
Surface area
4.7304568831729E+15
Circumference
121906392.74582
Perimeter
77608020
Area
376437798020025
Diagonal
27438578.608231
Surface area
2258626788120150
Volume
7.3036480393735E+21
Space diagonal
33605258.428705
Perimeter
58206015
Area
1.6300234801501E+14
Altitude
16802629.214353
Surface area
1.6300234801501E+14
Volume
8.6074317600681E+20
Height
9146192.8694102