20189645 is an odd 8-digits composite number following 20189644
and preceding 20189646 . In scientific notation, it is written as 2.0189645 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 13763520 positive integers (up to 20189645) that are relatively prime to 20189645.
20189645 has 16 divisors, whose sum is 27850368
The reverse of 20189645 is 54698102
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-nine thousand six hundred forty-five
Scientific notation
2.0189645 × 10^7
Engineering notation
2.0189645 × 10^6
Prime Factorization
5 × 7 × 181 × 3187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189645
Product of the distinct prime numbers
The prime factorization of 20189645 is 5 × 7 × 181 × 3187.
Since it has a total of 4 prime factors.
2 , 4 , 48 , 44 , 958 , 6 , 9861 , 3914 , 9834 , 47675 , 494627 , 500736 , 5812324 , 7177819 , 58066115 , 14642849 , 623780657 , 936202228 , 6788056195 , 3520090726
n×2
40379290
n×3
60568935
n×4
80758580
n×5
100948225
n÷2
10094822.5
n÷3
6729881.6666667
n÷3
5047411.25
n÷5
4037929
n2
407621765226025
n3
8.2297387341868E+21
n4
1.6615550348598E+29
n5
3.3546206301782E+36
2 √n
4493.2888845477
3 √n
272.29702360784
4 √n
67.031998959808
5 √n
28.908511907795
1 , 5 , 7 , 35 , 181 , 905 , 1267 , 3187 , 6335 , 15935 , 22309 , 111545 , 576847 , 2884235 , 4037929 , 20189645
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
-20189644
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 20189645 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001000111001101
3
Ternary
1101222201222122
4
Quaternary
1031001013031
5
Quinary
20132032040
6
Senary
2000422325
8
Octal
115010715
10
Decimal
20189645
12
Duodecimal
69179a5
16
Hexadecimal
13411cd
20
Vigesimal
663e25
36
Base36
c0qfh
md5
01a9a493b0e758ad37e84ad0308c639f
sha1
b4c614dd33e76909d222c16edb5f2c7a14d680f9
sha256
abb0ec32b57e940cb743e5b820925279090c463de12b7287fd4d554a5cae77cb
sha512
9dbc5120393f2b70a6a1dd529fd6a9196f4eec6763d25b5bd4b3243042341ac97d3a420b0fee83b6d458876acb481a508270e06f8bfdf468fbc7145fbc9c8187
ripemd-160
a9d1bff4cf944a6ee48bc931882854f7cdd0224e
Diameter
40379290
Circumference
126855280.82117
Area
1.2805815430774E+15
Volume
3.4472648997713E+22
Surface area
5.1223261723095E+15
Circumference
126855280.82117
Perimeter
80758580
Area
407621765226025
Diagonal
28552469.778498
Surface area
2445730591356150
Volume
8.2297387341868E+21
Space diagonal
34969490.926779
Perimeter
60568935
Area
1.765054019106E+14
Altitude
17484745.463389
Surface area
1.765054019106E+14
Volume
9.6988401105618E+20
Height
9517489.9261661