20694891 is an odd 8-digits composite number following 20694890
and preceding 20694892 . In scientific notation, it is written as 2.0694891 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 11825640 positive integers (up to 20694891) that are relatively prime to 20694891.
20694891 has 8 divisors, whose sum is 31535104
The reverse of 20694891 is 19849602
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred ninety-four thousand eight hundred ninety-one
Scientific notation
2.0694891 × 10^7
Engineering notation
2.0694891 × 10^6
Prime Factorization
3 × 7 × 985471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20694891
Product of the distinct prime numbers
The prime factorization of 20694891 is 3 × 7 × 985471.
Since it has a total of 3 prime factors.
10 , 3 , 30 , 95 , 205 , 245 , 2770 , 7825 , 91137 , 53511 , 74149 , 45834 , 7841654 , 5925158 , 71631022 , 94146799 , 788330413 , 569044116 , 1273602381 , 8674354928
n×2
41389782
n×3
62084673
n×4
82779564
n×5
103474455
n÷2
10347445.5
n÷3
6898297
n÷3
5173722.75
n÷5
4138978.2
n2
428278513501881
n3
8.8631771545635E+21
n4
1.8342248512738E+29
n5
3.7959083366603E+36
2 √n
4549.1637693097
3 √n
274.54974695688
4 √n
67.447488977053
5 √n
29.05177210224
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
-20694890
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 20694891 can be divided by 8 positive divisors.
The sum of these divisors (counting 20694891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111100011101101011
3
Ternary
1102221102001110
4
Quaternary
1032330131223
5
Quinary
20244214031
6
Senary
2015321403
8
Octal
116743553
10
Decimal
20694891
12
Duodecimal
6b20263
16
Hexadecimal
13bc76b
20
Vigesimal
696h4b
36
Base36
cbka3
md5
746b83098a754adaae158d666659aa0d
sha1
01283b2b9c884f24257f1272efa9ff98c063529e
sha256
f4ca6089c515b5b01abd90ce2bdf5d764e5c82d83b01c579cf416c42b3176a84
sha512
470bee8f432c47956e5498691134fe69e11a571155767888bf7fec87f4bb38e57b4dadca2a04064446be115ec53fb0277f3e67bc9cd6548b859c5b2498a8d179
ripemd-160
3384014f93ba7f9bb6090b0dcec05b3ce474678f
Diameter
41389782
Circumference
130029835.06488
Area
1.3454766317079E+15
Volume
3.7125989648322E+22
Surface area
5.3819065268315E+15
Circumference
130029835.06488
Perimeter
82779564
Area
428278513501881
Diagonal
29266995.524033
Surface area
2569671081011286
Volume
8.8631771545635E+21
Space diagonal
35844602.6691
Perimeter
62084673
Area
1.8545003629383E+14
Altitude
17922301.33455
Surface area
1.8545003629383E+14
Volume
1.0445354448083E+21
Height
9755665.1746776