20178730 is an even 8-digits composite number following 20178729
and preceding 20178731 . In scientific notation, it is written as 2.0178730 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 6658560 positive integers (up to 20178730) that are relatively prime to 20178730.
20178730 has 32 divisors, whose sum is 37200384
The reverse of 20178730 is 03787102
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seventy-eight thousand seven hundred thirty
Scientific notation
2.0178730 × 10^7
Engineering notation
2.0178730 × 10^6
Prime Factorization
2 × 5 × 143 × 103 × 137
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20178730
Product of the distinct prime numbers
The prime factorization of 20178730 is 2 × 5 × 143 × 103 × 137.
Since it has a total of 5 prime factors.
6 , 2 , 16 , 95 , 299 , 37 , 3865 , 827 , 39494 , 92168 , 877757 , 533796 , 6409973 , 9113591 , 68382774 , 60520198 , 449337369 , 909774356 , 4671547164 , 7063183415
n×2
40357460
n×3
60536190
n×4
80714920
n×5
100893650
n÷2
10089365
n÷3
6726243.3333333
n÷3
5044682.5
n÷5
4035746
n2
407181144412900
n3
8.2163983741989E+21
n4
1.657964843654E+29
n5
3.3455624929586E+36
2 √n
4492.0741311782
3 √n
272.24794469019
4 √n
67.022937351165
5 √n
28.905385506472
1 , 2 , 5 , 10 , 103 , 137 , 143 , 206 , 274 , 286 , 515 , 685 , 715 , 1030 , 1370 , 1430 , 14111 , 14729 , 19591 , 28222 , 29458 , 39182 , 70555 , 73645 , 97955 , 141110 , 147290 , 195910 , 2017873 , 4035746 , 10089365 , 20178730
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
-20178729
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 20178730 can be divided by 32 positive divisors.
The sum of these divisors (counting 20178730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111110011100101010
3
Ternary
1101222012000101
4
Quaternary
1030332130222
5
Quinary
20131204410
6
Senary
2000300014
8
Octal
114763452
10
Decimal
20178730
12
Duodecimal
691160a
16
Hexadecimal
133e72a
20
Vigesimal
6626ga
36
Base36
c0i0a
md5
f685c58f9a360ddf2376e104d2ad62b7
sha1
df0d33c7c03770ee543b3c850a02a605b82092da
sha256
d8bb3931ffcad2cf76f4c97ddead8f3c28bccdc64a3c2c4e3136e9a669a5e5a5
sha512
efb6e294a99160033673cc918782d7f4f43d17fa79aafd6b2c356a966b3a6cb59ba79fc0b3e617a35aef73c7b4c69797cdee711eeb454d76e636a7a3eb7120ca
ripemd-160
1491f3415e3022ee3b4dba78643d6d168c4d96b2
Diameter
40357460
Circumference
126786699.85354
Area
1.2791972919679E+15
Volume
3.4416769028467E+22
Surface area
5.1167891678714E+15
Circumference
126786699.85354
Perimeter
80714920
Area
407181144412900
Diagonal
28537033.637465
Surface area
2443086866477400
Volume
8.2163983741989E+21
Space diagonal
34950585.592214
Perimeter
60536190
Area
1.763146075018E+14
Altitude
17475292.796107
Surface area
1.763146075018E+14
Volume
9.6831183455436E+20
Height
9512344.5458216