20687312 is an even 8-digits composite number following 20687311
and preceding 20687313 . In scientific notation, it is written as 2.0687312 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors.
There are 10343648 positive integers (up to 20687312) that are relatively prime to 20687312.
20687312 has 10 divisors, whose sum is 40081698
The reverse of 20687312 is 21378602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-seven thousand three hundred twelve
Scientific notation
2.0687312 × 10^7
Engineering notation
2.0687312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1292957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2585914
Product of the distinct prime numbers
The prime factorization of 20687312 is 2 × 2 × 2 × 2 × 1292957.
Since it has a total of 5 prime factors.
7 , 5 , 47 , 29 , 983 , 62 , 9115 , 4393 , 26709 , 85286 , 25876 , 427860 , 8654841 , 4959084 , 43480886 , 68165212 , 927572796 , 966288323 , 5527775179 , 1129192061
n×2
41374624
n×3
62061936
n×4
82749248
n×5
103436560
n÷2
10343656
n÷3
6895770.6666667
n÷3
5171828
n÷5
4137462.4
n2
427964877785344
n3
8.8534429517873E+21
n4
1.8315393661782E+29
n5
3.7889626308412E+36
2 √n
4548.330682789
3 √n
274.51622714435
4 √n
67.441312878599
5 √n
29.049643889605
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20687311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20687312 can be divided by 10 positive divisors.
The sum of these divisors (counting 20687312) is 1, the average is 0.1.
Base
System
Value
2
Binary
1001110111010100111010000
3
Ternary
1102221000122202
4
Quaternary
1032322213100
5
Quinary
20243443222
6
Senary
2015222332
8
Octal
116724720
10
Decimal
20687312
12
Duodecimal
6b179a8
16
Hexadecimal
13ba9d0
20
Vigesimal
695i5c
36
Base36
cbefk
md5
48b79fade2191bff1d10a260fa8265d0
sha1
e482f37ed26fd366b9491f93fa198e58f1b1f458
sha256
fed825b980d488e410bcbbfd96b188fbcb8d37c0a361aa2982c539ad0853fc9c
sha512
4541be899068442a7af69ad426909091f01cda2e70ca0c6751269baf91c453e97120ee4c8179f56179464bf223a176346f5906984eaadce9bc2c8bd74013a171
ripemd-160
156cb7497b4944e33d00584df5520d8efbd5951d
Diameter
41374624
Circumference
129982214.80344
Area
1.3444913160449E+15
Volume
3.7085215115082E+22
Surface area
5.3779652641796E+15
Circumference
129982214.80344
Perimeter
82749248
Area
427964877785344
Diagonal
29256277.199444
Surface area
2567789266712064
Volume
8.8534429517873E+21
Space diagonal
35831475.456029
Perimeter
62061936
Area
1.8531422804481E+14
Altitude
17915737.728015
Surface area
1.8531422804481E+14
Volume
1.0433882580095E+21
Height
9752092.3998146