20989712 is an even 8-digits composite number following 20989711
and preceding 20989713 . In scientific notation, it is written as 2.0989712 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 10 positive divisors.
There are 10494848 positive integers (up to 20989712) that are relatively prime to 20989712.
20989712 has 10 divisors, whose sum is 40667598
The reverse of 20989712 is 21798902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred eighty-nine thousand seven hundred twelve
Scientific notation
2.0989712 × 10^7
Engineering notation
2.0989712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1311857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2623714
Product of the distinct prime numbers
The prime factorization of 20989712 is 2 × 2 × 2 × 2 × 1311857.
Since it has a total of 5 prime factors.
9 , 5 , 99 , 62 , 528 , 234 , 6629 , 8320 , 22789 , 19147 , 862582 , 351964 , 5517055 , 6781393 , 98216710 , 9908542 , 113354274 , 98899177 , 4307616005 , 6496253328
n×2
41979424
n×3
62969136
n×4
83958848
n×5
104948560
n÷2
10494856
n÷3
6996570.6666667
n÷3
5247428
n÷5
4197942.4
n2
440568009842944
n3
9.2473956430166E+21
n4
1.9410017129697E+29
n5
4.0741066946741E+36
2 √n
4581.4530446137
3 √n
275.84735660905
4 √n
67.68643176157
5 √n
29.134079161553
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
-20989711
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 20989712 can be divided by 10 positive divisors.
The sum of these divisors (counting 20989712) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010000000100011100010000
3
Ternary
1110111101110202
4
Quaternary
1100010130100
5
Quinary
20333132322
6
Senary
2025514332
8
Octal
120043420
10
Decimal
20989712
12
Duodecimal
70429a8
16
Hexadecimal
1404710
20
Vigesimal
6b3e5c
36
Base36
chvrk
md5
3260b758489c0a40b8a42d67d15b9570
sha1
8dfd1abb9a77fea3bc576aa152428e32c03af549
sha256
dfdf16e97894a4d8249335ff60925bf073003eafe7b89d0b18177ec77fd8da83
sha512
4c5bc8ea7271c48352ceb681220f81a8b365470206a3520d46d6d1f369a0c177db8cbc80067581134a3278811d8c8558704968988b2dca81169aeff9bc0754ae
ripemd-160
dbd643515b6897b6f77db82bd07c77ae58338219
Diameter
41979424
Circumference
131882250.04033
Area
1.3840852231293E+15
Volume
3.8735400289252E+22
Surface area
5.5363408925171E+15
Circumference
131882250.04033
Perimeter
83958848
Area
440568009842944
Diagonal
29683935.380705
Surface area
2643408059057664
Volume
9.2473956430166E+21
Space diagonal
36355247.620238
Perimeter
62969136
Area
1.9077154430937E+14
Altitude
18177623.810119
Surface area
1.9077154430937E+14
Volume
1.0898160279153E+21
Height
9894645.1269018