20685007 is an odd 8-digits composite number following 20685006
and preceding 20685008 . In scientific notation, it is written as 2.0685007 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 17596656 positive integers (up to 20685007) that are relatively prime to 20685007.
20685007 has 12 divisors, whose sum is 24243240
The reverse of 20685007 is 70058602
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred eighty-five thousand seven
Scientific notation
2.0685007 × 10^7
Engineering notation
2.0685007 × 10^6
Prime Factorization
7 × 7 × 139 × 3037
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2955001
Product of the distinct prime numbers
The prime factorization of 20685007 is 7 × 7 × 139 × 3037.
Since it has a total of 4 prime factors.
1 , 5 , 33 , 80 , 645 , 776 , 1524 , 2908 , 39184 , 94569 , 503963 , 791039 , 6645702 , 8682210 , 3649031 , 90093008 , 430828598 , 990180678 , 1151106097 , 7688260434
n×2
41370014
n×3
62055021
n×4
82740028
n×5
103425035
n÷2
10342503.5
n÷3
6895002.3333333
n÷3
5171251.75
n÷5
4137001.4
n2
427869514590049
n3
8.8504839043818E+21
n4
1.8307232151552E+29
n5
3.7868522520549E+36
2 √n
4548.0772860628
3 √n
274.50603114586
4 √n
67.439434206277
5 √n
29.048996512956
1 , 7 , 49 , 139 , 973 , 3037 , 6811 , 21259 , 148813 , 422143 , 2955001 , 20685007
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685007 can be divided by 12 positive divisors.
The sum of these divisors (counting 20685007) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010000011001111
3
Ternary
1102220220111101
4
Quaternary
1032322003033
5
Quinary
20243410012
6
Senary
2015203531
8
Octal
116720317
10
Decimal
20685007
12
Duodecimal
6b165a7
16
Hexadecimal
13ba0cf
20
Vigesimal
695ca7
36
Base36
cbcnj
md5
4df30914748f221fabb56c2dfbeb0302
sha1
cb4e923e98b6d8160b8184efe252225ad0582393
sha256
68eeb4fdd42c53798d37e18d6d8c0a4a8c72e093b474df2391d2c0476d1ad2d9
sha512
44a0c574ae7c173a9fd2c325c81cfaa401af447e0bf1e98529b1cc2fd33c943c6c0abc5712acc8166ade5b410113528564bb417797182700befe10d6f759c9fb
ripemd-160
077058c8a6878926e37c03deecdaf7444fafb734
Diameter
41370014
Circumference
129967732.06131
Area
1.3441917237311E+15
Volume
3.7072820286294E+22
Surface area
5.3767668949245E+15
Circumference
129967732.06131
Perimeter
82740028
Area
427869514590049
Diagonal
29253017.437182
Surface area
2567217087540294
Volume
8.8504839043818E+21
Space diagonal
35827483.078918
Perimeter
62055021
Area
1.8527293456995E+14
Altitude
17913741.539459
Surface area
1.8527293456995E+14
Volume
1.0430395309285E+21
Height
9751005.8123941