20068987 is an odd 8-digits prime number following 20068986
and preceding 20068988 . In scientific notation, it is written as 2.0068987 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 20068986 positive integers (up to 20068987) that are relatively prime to 20068987.
20068987 has 2 divisors, whose sum is 20068988
The reverse of 20068987 is 78986002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million sixty-eight thousand nine hundred eighty-seven
Scientific notation
2.0068987 × 10^7
Engineering notation
2.0068987 × 10^6
Prime Factorization
20068987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20068987
Product of the distinct prime numbers
The prime factorization of 20068987 is 20068987.
Since it has a total of 1 prime factors.
1 , 8 , 47 , 65 , 908 , 982 , 4350 , 5053 , 68000 , 35935 , 748794 , 962422 , 6582747 , 70591 , 92689849 , 54436868 , 366796195 , 175077722 , 1254069660 , 9786374347
n×2
40137974
n×3
60206961
n×4
80275948
n×5
100344935
n÷2
10034493.5
n÷3
6689662.3333333
n÷3
5017246.75
n÷5
4013797.4
n2
402764239206169
n3
8.0830702806935E+21
n4
1.6221903238332E+29
n5
3.2555716520535E+36
2 √n
4479.8422963314
3 √n
271.75350271263
4 √n
66.931624037755
5 √n
28.873876218105
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20068988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10034494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4479.8424079425
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999003438
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20068987 can be divided by 2 positive divisors.
The sum of these divisors (counting 20068987) is 20068988, the average is 10034494.
Base
System
Value
2
Binary
1001100100011101001111011
3
Ternary
1101202121110211
4
Quaternary
1030203221323
5
Quinary
20114201422
6
Senary
1554051551
8
Octal
114435173
10
Decimal
20068987
12
Duodecimal
6879bb7
16
Hexadecimal
1323a7b
20
Vigesimal
658c97
36
Base36
by5bv
md5
33017fd5b01a4b0445d4494585220491
sha1
dd5c786a371c90e9b6caaa0dbfdfe5694a9fda60
sha256
76c4e8c979a54883f3ed979243a7338ab2df02374f116929259525168c3f376d
sha512
60bf23327d7b087eb8431de5a98509b26a9a24d0dabb256f899740d9328f88ae269d0bae5f16181e34c7d8dc470b76bee955cd128b3cc7b743e1d999e85c2c85
ripemd-160
6aa26c04a249bca434cf95450b7be319a103b794
Diameter
40137974
Circumference
126097164.24838
Area
1.2653211750188E+15
Volume
3.3858285616369E+22
Surface area
5.0612847000751E+15
Circumference
126097164.24838
Perimeter
80275948
Area
402764239206169
Diagonal
28381833.598489
Surface area
2416585435237014
Volume
8.0830702806935E+21
Space diagonal
34760505.140439
Perimeter
60206961
Area
1.7440203144423E+14
Altitude
17380252.57022
Surface area
1.7440203144423E+14
Volume
9.5259896804764E+20
Height
9460611.1994964