20187265 is an odd 8-digits composite number following 20187264
and preceding 20187266 . In scientific notation, it is written as 2.0187265 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 13575744 positive integers (up to 20187265) that are relatively prime to 20187265.
20187265 has 16 divisors, whose sum is 23616000
The reverse of 20187265 is 56278102
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-seven thousand two hundred sixty-five
Scientific notation
2.0187265 × 10^7
Engineering notation
2.0187265 × 10^6
Prime Factorization
245 × 7 × 149 × 79
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187265
Product of the distinct prime numbers
The prime factorization of 20187265 is 245 × 7 × 149 × 79.
Since it has a total of 4 prime factors.
3 , 6 , 71 , 97 , 30 , 500 , 9229 , 8178 , 7538 , 53232 , 873996 , 187555 , 4667167 , 513069 , 96420760 , 85261321 , 821153991 , 323396702 , 763024049 , 1477150671
n×2
40374530
n×3
60561795
n×4
80749060
n×5
100936325
n÷2
10093632.5
n÷3
6729088.3333333
n÷3
5046816.25
n÷5
4037453
n2
407525668180225
n3
8.2268286578563E+21
n4
1.6607717022574E+29
n5
3.3526438457971E+36
2 √n
4493.0240373272
3 √n
272.28632352895
4 √n
67.030023402407
5 √n
28.907830315793
1 , 7 , 79 , 149 , 245 , 553 , 1043 , 1715 , 11771 , 19355 , 36505 , 82397 , 135485 , 255535 , 2883895 , 20187265
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
-20187264
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 20187265 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000100010000001
3
Ternary
1101222121201111
4
Quaternary
1031000202001
5
Quinary
20131443030
6
Senary
2000403321
8
Octal
115004201
10
Decimal
20187265
12
Duodecimal
6916541
16
Hexadecimal
1340881
20
Vigesimal
663835
36
Base36
c0old
md5
baa6c2b43949b29deac8359e44c8d966
sha1
2083b6d23724883c2fe5d45761bee25a138fb120
sha256
9a98dc9aa5bd27b2c98840de7846bc490c39baf74e2616e36d3ea2a174823cef
sha512
c4583c5ec97f854d9335b5424cc6ec6a8351c1467e2569c6757a8bc7c857a03f2d7fc21cafc1534db1cb284aeabb35ab02c39657a2da84654974e19199e5288d
ripemd-160
5448e51254794531821a105422870cc2a2ec1465
Diameter
40374530
Circumference
126840326.84014
Area
1.2802796453043E+15
Volume
3.4460459298484E+22
Surface area
5.1211185812171E+15
Circumference
126840326.84014
Perimeter
80749060
Area
407525668180225
Diagonal
28549103.95022
Surface area
2445154009081350
Volume
8.2268286578563E+21
Space diagonal
34965368.645857
Perimeter
60561795
Area
1.7646379066915E+14
Altitude
17482684.322928
Surface area
1.7646379066915E+14
Volume
9.6954105527167E+20
Height
9516367.9834066