20971288 is an even 8-digits composite number following 20971287
and preceding 20971289 . In scientific notation, it is written as 2.0971288 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 9168768 positive integers (up to 20971288) that are relatively prime to 20971288.
20971288 has 32 divisors, whose sum is 44578800
The reverse of 20971288 is 88217902
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred seventy-one thousand two hundred eighty-eight
Scientific notation
2.0971288 × 10^7
Engineering notation
2.0971288 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 13 × 10613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5242822
Product of the distinct prime numbers
The prime factorization of 20971288 is 2 × 2 × 2 × 19 × 13 × 10613.
Since it has a total of 6 prime factors.
6 , 7 , 9 , 4 , 438 , 739 , 9929 , 627 , 88488 , 27148 , 121480 , 956243 , 4357630 , 151225 , 55120075 , 47230944 , 8334478 , 923241673 , 4861742038 , 2545918461
n×2
41942576
n×3
62913864
n×4
83885152
n×5
104856440
n÷2
10485644
n÷3
6990429.3333333
n÷3
5242822
n÷5
4194257.6
n2
439794920378944
n3
9.2230659362039E+21
n4
1.9341957199112E+29
n5
4.0562575490625E+36
2 √n
4579.441887392
3 √n
275.76662341594
4 √n
67.671573702641
5 √n
29.128962799448
1 , 2 , 4 , 8 , 13 , 19 , 26 , 38 , 52 , 76 , 104 , 152 , 247 , 494 , 988 , 1976 , 10613 , 21226 , 42452 , 84904 , 137969 , 201647 , 275938 , 403294 , 551876 , 806588 , 1103752 , 1613176 , 2621411 , 5242822 , 10485644 , 20971288
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20971287
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20971288 can be divided by 32 positive divisors.
The sum of these divisors (counting 20971288) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111111111111100011000
3
Ternary
1110110110012101
4
Quaternary
1033333330120
5
Quinary
20332040123
6
Senary
2025253144
8
Octal
117777430
10
Decimal
20971288
12
Duodecimal
70341b4
16
Hexadecimal
13fff18
20
Vigesimal
6b1848
36
Base36
chhjs
md5
65382e6b8ca7b3839c128a34000dcab3
sha1
307b9f160f1026c5e7360a297efbffdc70c70d84
sha256
af1bd7572afad755e004dc0bf5aebc2973d39918dbf5d4c28a5ae2dde1617823
sha512
14404a45b51b123dad098e1c4da672f2661d9bde4dca08d941ae922626b247a9c92518531b7cd373a5eff4da154d4757c1c519a076834d0fd43f693499fbda78
ripemd-160
031757fe00b0f31f5ff6302ca02120004b30f59b
Diameter
41942576
Circumference
131766488.63423
Area
1.3816564909486E+15
Volume
3.863348825167E+22
Surface area
5.5266259637944E+15
Circumference
131766488.63423
Perimeter
83885152
Area
439794920378944
Diagonal
29657879.910032
Surface area
2638769522273664
Volume
9.2230659362039E+21
Space diagonal
36323336.31616
Perimeter
62913864
Area
1.9043678675176E+14
Altitude
18161668.15808
Surface area
1.9043678675176E+14
Volume
1.0869487444701E+21
Height
9885959.9700107