20178390 is an even 8-digits composite number following 20178389
and preceding 20178391 . In scientific notation, it is written as 2.0178390 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5300064 positive integers (up to 20178390) that are relatively prime to 20178390.
20178390 has 32 divisors, whose sum is 49155840
The reverse of 20178390 is 09387102
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred seventy-eight thousand three hundred ninety
Scientific notation
2.0178390 × 10^7
Engineering notation
2.0178390 × 10^6
Prime Factorization
2 × 3 × 5 × 67 × 10039
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20178390
Product of the distinct prime numbers
The prime factorization of 20178390 is 2 × 3 × 5 × 67 × 10039.
Since it has a total of 5 prime factors.
1 , 5 , 76 , 90 , 255 , 152 , 1878 , 9871 , 19671 , 88393 , 484805 , 579481 , 5866186 , 5463562 , 67446684 , 93319481 , 147626788 , 447770510 , 9550291759 , 5393660199
n×2
40356780
n×3
60535170
n×4
80713560
n×5
100891950
n÷2
10089195
n÷3
6726130
n÷3
5044597.5
n÷5
4035678
n2
407167422992100
n3
8.2159830564296E+21
n4
1.6578531034603E+29
n5
3.3452806484332E+36
2 √n
4492.0362865854
3 √n
272.24641560781
4 √n
67.02265502489
5 √n
28.90528809799
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 67 , 134 , 201 , 335 , 402 , 670 , 1005 , 2010 , 10039 , 20078 , 30117 , 50195 , 60234 , 100390 , 150585 , 301170 , 672613 , 1345226 , 2017839 , 3363065 , 4035678 , 6726130 , 10089195 , 20178390
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
-20178389
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 20178390 can be divided by 32 positive divisors.
The sum of these divisors (counting 20178390) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111110010111010110
3
Ternary
1101222011112210
4
Quaternary
1030332113112
5
Quinary
20131202030
6
Senary
2000254250
8
Octal
114762726
10
Decimal
20178390
12
Duodecimal
6911386
16
Hexadecimal
133e5d6
20
Vigesimal
6625ja
36
Base36
c0hqu
md5
e28d9fd6e3f97109db480c0fdbf5e8fc
sha1
42fafc834d9d2ae0005518128f962bc52b60308d
sha256
dbff163aa55c9f1aaf880838f0735000e261c0163cad4804e0dbf85243411b97
sha512
6203933dac89a712cfeafc2703d1de3975b0ed2a8ac5f76b1ba933da17eaadd2ef3c34807dd9e56d7f7985fee01b5464a0052d33b5a137650b0b4c7a0be22eb8
ripemd-160
29aec66bd4c4259fedaf881ab04086ebc9b4a586
Diameter
40356780
Circumference
126784563.57054
Area
1.2791541848531E+15
Volume
3.4415029349463E+22
Surface area
5.1166167394123E+15
Circumference
126784563.57054
Perimeter
80713560
Area
407167422992100
Diagonal
28536552.804854
Surface area
2443004537952600
Volume
8.2159830564296E+21
Space diagonal
34949996.69494
Perimeter
60535170
Area
1.763086659523E+14
Altitude
17474998.34747
Surface area
1.763086659523E+14
Volume
9.6826288888585E+20
Height
9512184.2682845