20872008 is an even 8-digits composite number following 20872007
and preceding 20872009 . In scientific notation, it is written as 2.0872008 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 6957312 positive integers (up to 20872008) that are relatively prime to 20872008.
20872008 has 16 divisors, whose sum is 43483500
The reverse of 20872008 is 80027802
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred seventy-two thousand eight
Scientific notation
2.0872008 × 10^7
Engineering notation
2.0872008 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 289889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5218002
Product of the distinct prime numbers
The prime factorization of 20872008 is 2 × 2 × 2 × 9 × 289889.
Since it has a total of 5 prime factors.
4 , 7 , 89 , 38 , 352 , 35 , 6675 , 9588 , 99051 , 7004 , 730005 , 282787 , 8698450 , 6561858 , 50450735 , 11809064 , 450694408 , 659923779 , 770107026 , 7934011916
n×2
41744016
n×3
62616024
n×4
83488032
n×5
104360040
n÷2
10436004
n÷3
6957336
n÷3
5218002
n÷5
4174401.6
n2
435640717952064
n3
9.0926965502212E+21
n4
1.8978283513779E+29
n5
3.9611488532586E+36
2 √n
4568.5892789788
3 √n
275.33076673648
4 √n
67.591340266182
5 √n
29.101330588344
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 289889 , 579778 , 1159556 , 2319112 , 2609001 , 5218002 , 10436004 , 20872008
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
-20872007
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 20872008 can be divided by 16 positive divisors.
The sum of these divisors (counting 20872008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100111101101001000
3
Ternary
1110021102000100
4
Quaternary
1033213231020
5
Quinary
20320401013
6
Senary
2023205400
8
Octal
117475510
10
Decimal
20872008
12
Duodecimal
6ba6860
16
Hexadecimal
13e7b48
20
Vigesimal
6a9008
36
Base36
cfcy0
md5
65e1b127796e36a1c77e34851f841327
sha1
5601786c5c81500e70e8a2b23fd94db667cd709f
sha256
5e887e191dc5bab21a64d6871c740663304123099113a17a66586ef1a5a0a2a6
sha512
4b9530cea2188a8cb52f5994743c9902fc6a099c83a2dfbbf067208c2029f29e6db8caccf32a8356767a65b4085eea8c2c8acb1d6e63e0219fa352de51709773
ripemd-160
73fa3521343f79469c53e91b70889a3c00272183
Diameter
41744016
Circumference
131142693.99693
Area
1.3686056791228E+15
Volume
3.8087398244662E+22
Surface area
5.4744227164911E+15
Circumference
131142693.99693
Perimeter
83488032
Area
435640717952064
Diagonal
29517476.78756
Surface area
2613844307712384
Volume
9.0926965502212E+21
Space diagonal
36151378.311984
Perimeter
62616024
Area
1.8863796433469E+14
Altitude
18075689.155992
Surface area
1.8863796433469E+14
Volume
1.0715845649888E+21
Height
9839158.9291866