20145087 is an odd 8-digits composite number following 20145086
and preceding 20145088 . In scientific notation, it is written as 2.0145087 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13411968 positive integers (up to 20145087) that are relatively prime to 20145087.
20145087 has 8 divisors, whose sum is 22413600
The reverse of 20145087 is 78054102
Previous prime number is 1697
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand eighty-seven
Scientific notation
2.0145087 × 10^7
Engineering notation
2.0145087 × 10^6
Prime Factorization
9 × 1697 × 1319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145087
Product of the distinct prime numbers
The prime factorization of 20145087 is 9 × 1697 × 1319.
Since it has a total of 3 prime factors.
3 , 2 , 73 , 16 , 39 , 659 , 3434 , 9752 , 16148 , 68195 , 455978 , 405441 , 3226605 , 2348370 , 41491 , 19713956 , 541696082 , 441386077 , 6616283940 , 3790917100
n×2
40290174
n×3
60435261
n×4
80580348
n×5
100725435
n÷2
10072543.5
n÷3
6715029
n÷3
5036271.75
n÷5
4029017.4
n2
405824530237569
n3
8.17537046837E+21
n4
1.6469354934254E+29
n5
3.3177658798443E+36
2 √n
4488.3278623559
3 √n
272.09655867512
4 √n
66.994983859658
5 √n
28.895740567761
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145087 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110001110111111
3
Ternary
1101220110212100
4
Quaternary
1030312032333
5
Quinary
20124120322
6
Senary
1555440143
8
Octal
114661677
10
Decimal
20145087
12
Duodecimal
68b6053
16
Hexadecimal
13363bf
20
Vigesimal
65i2e7
36
Base36
bzs1r
md5
df084ff0604436b0c5cfebd80a739f20
sha1
ff4d2d6c5ffc93782683e21f503193bb9f2434c5
sha256
3fa2f2e9ac5348ba519e6fe12016df3f76e9c88fccbdfc52d827f008d309d449
sha512
871beff7af7fde5670f26af9d448dc23a4341787a03b873e865ee7faa7bd10c8003864a1fb2ae537d0cf8a24796f7f9751b4199cd89cec00b97061648c6315d7
ripemd-160
44417ac09ae2cd9489a9fa898e27331b7bc6da2e
Diameter
40290174
Circumference
126575314.65025
Area
1.2749353628409E+15
Volume
3.4244911738408E+22
Surface area
5.0997414513635E+15
Circumference
126575314.65025
Perimeter
80580348
Area
405824530237569
Diagonal
28489455.250586
Surface area
2434947181425414
Volume
8.17537046837E+21
Space diagonal
34892314.206895
Perimeter
60435261
Area
1.7572717633231E+14
Altitude
17446157.103448
Surface area
1.7572717633231E+14
Volume
9.6347664948277E+20
Height
9496485.0835286