20109887 is an odd 8-digits composite number following 20109886
and preceding 20109888 . In scientific notation, it is written as 2.0109887 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 17199000 positive integers (up to 20109887) that are relatively prime to 20109887.
20109887 has 8 divisors, whose sum is 23033472
The reverse of 20109887 is 78890102
Previous prime number is 5851
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred nine thousand eight hundred eighty-seven
Scientific notation
2.0109887 × 10^7
Engineering notation
2.0109887 × 10^6
Prime Factorization
7 × 5851 × 491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20109887
Product of the distinct prime numbers
The prime factorization of 20109887 is 7 × 5851 × 491.
Since it has a total of 3 prime factors.
10 , 7 , 21 , 48 , 909 , 856 , 9477 , 7942 , 34667 , 91690 , 88481 , 538326 , 3491552 , 8201886 , 37074899 , 16310755 , 525772596 , 54764194 , 2245723715 , 5213381892
n×2
40219774
n×3
60329661
n×4
80439548
n×5
100549435
n÷2
10054943.5
n÷3
6703295.6666667
n÷3
5027471.75
n÷5
4021977.4
n2
404407555152769
n3
8.1325902360685E+21
n4
1.6354547066464E+29
n5
3.2888809344277E+36
2 √n
4484.4048657542
3 √n
271.93798597046
4 √n
66.96569917319
5 √n
28.885635456608
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
-20109886
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 20109887 can be divided by 8 positive divisors.
The sum of these divisors (counting 20109887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101101000111111
3
Ternary
1101211200120122
4
Quaternary
1030231220333
5
Quinary
20122004022
6
Senary
1555005155
8
Octal
114555077
10
Decimal
20109887
12
Duodecimal
68997bb
16
Hexadecimal
132da3f
20
Vigesimal
65dee7
36
Base36
bz0vz
md5
e959d2765255148c96f8711fabdd0c82
sha1
ffa35402070128707291999056031788cb7929f2
sha256
051b3823bb18af6f5e91174ad5397aa50a9a7e25191e203f2edf58368394be24
sha512
f695cccacc3eda3c7586b41619d3a6238ea4f7cd7a1c4e2b113190bcd2789514202fec20112438e9b6c5cbd3b9c32773d0de969ce12b67dc0c7b6788329e46b6
ripemd-160
1601d6a6344d752eb1108a84638c57e94e4ff682
Diameter
40219774
Circumference
126354146.52744
Area
1.2704838043241E+15
Volume
3.4065714320385E+22
Surface area
5.0819352172966E+15
Circumference
126354146.52744
Perimeter
80439548
Area
404407555152769
Diagonal
28439674.93319
Surface area
2426445330916614
Volume
8.1325902360685E+21
Space diagonal
34831346.018469
Perimeter
60329661
Area
1.7511360812233E+14
Altitude
17415673.009234
Surface area
1.7511360812233E+14
Volume
9.5843495075592E+20
Height
9479891.6443968