20402830 is an even 8-digits composite number following 20402829
and preceding 20402831 . In scientific notation, it is written as 2.0402830 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors.
There are 6823680 positive integers (up to 20402830) that are relatively prime to 20402830.
20402830 has 32 divisors, whose sum is 43001280
The reverse of 20402830 is 03820402
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred two thousand eight hundred thirty
Scientific notation
2.0402830 × 10^7
Engineering notation
2.0402830 × 10^6
Prime Factorization
2 × 5 × 7 × 41 × 7109
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20402830
Product of the distinct prime numbers
The prime factorization of 20402830 is 2 × 5 × 7 × 41 × 7109.
Since it has a total of 5 prime factors.
8 , 10 , 18 , 88 , 811 , 365 , 6365 , 9804 , 67987 , 25382 , 246646 , 866422 , 7955688 , 4515841 , 82718481 , 76459496 , 813806272 , 960439051 , 5754101971 , 2583967205
n×2
40805660
n×3
61208490
n×4
81611320
n×5
102014150
n÷2
10201415
n÷3
6800943.3333333
n÷3
5100707.5
n÷5
4080566
n2
416275472008900
n3
8.4931976885673E+21
n4
1.7328526859623E+29
n5
3.5355098766733E+36
2 √n
4516.9491916558
3 √n
273.25207611705
4 √n
67.208252407393
5 √n
28.969305399138
1 , 2 , 5 , 7 , 10 , 14 , 35 , 41 , 70 , 82 , 205 , 287 , 410 , 574 , 1435 , 2870 , 7109 , 14218 , 35545 , 49763 , 71090 , 99526 , 248815 , 291469 , 497630 , 582938 , 1457345 , 2040283 , 2914690 , 4080566 , 10201415 , 20402830
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402829
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402830 can be divided by 32 positive divisors.
The sum of these divisors (counting 20402830) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110101001010001110
3
Ternary
1102101120102101
4
Quaternary
1031311022032
5
Quinary
20210342310
6
Senary
2005145314
8
Octal
115651216
10
Decimal
20402830
12
Duodecimal
69bb23a
16
Hexadecimal
137528e
20
Vigesimal
67a71a
36
Base36
c5axa
md5
9e2c460feff579fbd2d0fc877ae98365
sha1
fdb184fe0b9f46665185068357a8c0397cb9643e
sha256
68343d67e1dad2d2bbd1fc15d48f837486aeaf3c27aab04831aea92674b57d26
sha512
d202b8fb0568106d1ac87081b30a46e791a8987c668404083608c82ce107881b03f5e8c7a2fa7527bfc102039f181d0aecc181c3de606dd72848063609afb57a
ripemd-160
3120b00a2858201eb224a6a51570212c62f046f4
Diameter
40805660
Circumference
128194761.68088
Area
1.3077679647328E+15
Volume
3.5576223285185E+22
Surface area
5.2310718589311E+15
Circumference
128194761.68088
Perimeter
81611320
Area
416275472008900
Diagonal
28853958.896793
Surface area
2497652832053400
Volume
8.4931976885673E+21
Space diagonal
35338738.178191
Perimeter
61208490
Area
1.8025256686603E+14
Altitude
17669369.089095
Surface area
1.8025256686603E+14
Volume
1.0009329465906E+21
Height
9617986.2989309