20981024 is an even 8-digits composite number following 20981023
and preceding 20981025 . In scientific notation, it is written as 2.0981024 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 12 positive divisors.
There are 10490496 positive integers (up to 20981024) that are relatively prime to 20981024.
20981024 has 12 divisors, whose sum is 41306454
The reverse of 20981024 is 42018902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million nine hundred eighty-one thousand twenty-four
Scientific notation
2.0981024 × 10^7
Engineering notation
2.0981024 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 655657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1311314
Product of the distinct prime numbers
The prime factorization of 20981024 is 2 × 2 × 2 × 2 × 2 × 655657.
Since it has a total of 6 prime factors.
1 , 2 , 48 , 1 , 383 , 708 , 3420 , 2297 , 512 , 33927 , 175563 , 768638 , 5553860 , 3045597 , 86149315 , 63527118 , 224371353 , 222645866 , 4696107535 , 7608633666
n×2
41962048
n×3
62943072
n×4
83924096
n×5
104905120
n÷2
10490512
n÷3
6993674.6666667
n÷3
5245256
n÷5
4196204.8
n2
440203368088576
n3
9.2359174307472E+21
n4
1.9377900527653E+29
n5
4.0656819604029E+36
2 √n
4580.504775677
3 √n
275.80929204724
4 √n
67.679426531827
5 √n
29.131666943625
1 , 2 , 4 , 8 , 16 , 32 , 655657 , 1311314 , 2622628 , 5245256 , 10490512 , 20981024
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
-20981023
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 20981024 can be divided by 12 positive divisors.
The sum of these divisors (counting 20981024) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000010010100100000
3
Ternary
1110110221112222
4
Quaternary
1100002110200
5
Quinary
20332343044
6
Senary
2025410212
8
Octal
120022440
10
Decimal
20981024
12
Duodecimal
7039968
16
Hexadecimal
1402520
20
Vigesimal
6b2cb4
36
Base36
chp28
md5
2f0251b646b9d8f0f1c73747ddbfd1b6
sha1
fdc64dcdb8bce1bd4fac0e400cb54e30dffeb37f
sha256
bc396a21944a45e859941b30a5b72b56a02422e0f67a8374099d005043fab34e
sha512
cbbb7dddcd13d58d44c8f36dfc407790c4d0a12381249735881302c43fcfc6393d7ee61a57aeda453e5a02b351ea40aeb791334adad9bc84d1598469b11edccc
ripemd-160
a8e4696ec2fba0864bc1bee490d0cd8801a89967
Diameter
41962048
Circumference
131827661.72638
Area
1.3829396672726E+15
Volume
3.868732046613E+22
Surface area
5.5317586690902E+15
Circumference
131827661.72638
Perimeter
83924096
Area
440203368088576
Diagonal
29671648.693275
Surface area
2641220208531456
Volume
9.2359174307472E+21
Space diagonal
36340199.562822
Perimeter
62943072
Area
1.9061364979809E+14
Altitude
18170099.781411
Surface area
1.9061364979809E+14
Volume
1.0884633076267E+21
Height
9890549.5644251