20972811 is an odd 8-digits composite number following 20972810
and preceding 20972812 . In scientific notation, it is written as 2.0972811 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13971272 positive integers (up to 20972811) that are relatively prime to 20972811.
20972811 has 8 divisors, whose sum is 27984960
The reverse of 20972811 is 11827902
Previous prime number is 2459
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred seventy-two thousand eight hundred eleven
Scientific notation
2.0972811 × 10^7
Engineering notation
2.0972811 × 10^6
Prime Factorization
3 × 2459 × 2843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20972811
Product of the distinct prime numbers
The prime factorization of 20972811 is 3 × 2459 × 2843.
Since it has a total of 3 prime factors.
6 , 1 , 52 , 95 , 355 , 817 , 2494 , 8533 , 38713 , 25327 , 497363 , 15278 , 4825444 , 9687408 , 98031575 , 70272861 , 187890853 , 448073202 , 2231162658 , 4157115591
n×2
41945622
n×3
62918433
n×4
83891244
n×5
104864055
n÷2
10486405.5
n÷3
6990937
n÷3
5243202.75
n÷5
4194562.2
n2
439858801241721
n3
9.2250755051292E+21
n4
1.934757650298E+29
n5
4.0577306530505E+36
2 √n
4579.608171012
3 √n
275.77329893027
4 √n
67.672802299092
5 √n
29.129385874289
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
-20972810
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 20972811 can be divided by 8 positive divisors.
The sum of these divisors (counting 20972811) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000000010100001011
3
Ternary
1110110112021210
4
Quaternary
1100000110023
5
Quinary
20332112221
6
Senary
2025304203
8
Octal
120002413
10
Decimal
20972811
12
Duodecimal
7035063
16
Hexadecimal
140050b
20
Vigesimal
6b1c0b
36
Base36
chiq3
md5
d1c37ead9b2ba11251b5c78a3af4fa21
sha1
e48390ddbc975e952e12f254fca3083ff66bde5d
sha256
3efaec5da849ed0e4ed6897749c263826b25fcd593fea9692f0dfdf0766a1de9
sha512
387efd6ec767b2123f9e3915609c117fa0b149f72e73f47e8a44b5fe1853f09a7c0d6a0dba7e5dba9acba71a6e0ba28faf5d309b48aeda79e7b9ec59f1c51e3c
ripemd-160
bdb6012a13bd58cfb6c0a33db1751e9f80f63b18
Diameter
41945622
Circumference
131776057.92545
Area
1.3818571785978E+15
Volume
3.86419059143E+22
Surface area
5.5274287143912E+15
Circumference
131776057.92545
Perimeter
83891244
Area
439858801241721
Diagonal
29660033.757288
Surface area
2639152807450326
Volume
9.2250755051292E+21
Space diagonal
36325974.229539
Perimeter
62918433
Area
1.9046444797675E+14
Altitude
18162987.11477
Surface area
1.9046444797675E+14
Volume
1.0871855744391E+21
Height
9886677.9190959