20211005 is an odd 8-digits composite number following 20211004
and preceding 20211006 . In scientific notation, it is written as 2.0211005 × 10^7.
The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors.
There are 16123968 positive integers (up to 20211005) that are relatively prime to 20211005.
20211005 has 8 divisors, whose sum is 24320472
The reverse of 20211005 is 50011202
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty million two hundred eleven thousand five
Scientific notation
2.0211005 × 10^7
Engineering notation
2.0211005 × 10^6
Prime Factorization
5 × 373 × 10837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20211005
Product of the distinct prime numbers
The prime factorization of 20211005 is 5 × 373 × 10837.
Since it has a total of 3 prime factors.
4 , 7 , 99 , 16 , 922 , 235 , 1939 , 24 , 84077 , 90315 , 182333 , 206828 , 7292899 , 4462534 , 67433305 , 63772928 , 524942403 , 889632238 , 3075230925 , 5448952111
n×2
40422010
n×3
60633015
n×4
80844020
n×5
101055025
n÷2
10105502.5
n÷3
6737001.6666667
n÷3
5052751.25
n÷5
4042201
n2
408484723110025
n3
8.2558867812003E+21
n4
1.6685976901427E+29
n5
3.3724036258463E+36
2 √n
4495.6651343266
3 √n
272.39301694978
4 √n
67.049721359053
5 √n
28.914626177441
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
-20211004
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 20211005 can be divided by 8 positive divisors.
The sum of these divisors (counting 20211005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110010100111101
3
Ternary
1102000211021202
4
Quaternary
1031012110331
5
Quinary
20133223010
6
Senary
2001105245
8
Octal
115062475
10
Decimal
20211005
12
Duodecimal
6928225
16
Hexadecimal
134653d
20
Vigesimal
6667a5
36
Base36
c16wt
md5
62feccfe7bc9a6532acd7e9f181546f0
sha1
da897cd77ee1a77f46f40875df27ec4f91d77585
sha256
54c42d8980d969f6008a0081a4f997974f433ff7b87cf348333be0f0396ac2de
sha512
938d8786c2961e1f86ff43be474f3392177ba57414d780626bfa4906aa0ba9dff7d7df8bb8d49888db671aa2c17f0b95d4ef77ed3750836c44c5a44f4ea3152d
ripemd-160
a92784224aa73d0793c1ebcacda71e4df4bf7eef
Diameter
40422010
Circumference
126989489.65933
Area
1.2832926052261E+15
Volume
3.4582177680917E+22
Surface area
5.1331704209045E+15
Circumference
126989489.65933
Perimeter
80844020
Area
408484723110025
Diagonal
28582677.38019
Surface area
2450908338660150
Volume
8.2558867812003E+21
Space diagonal
35006487.532029
Perimeter
60633015
Area
1.7687907363557E+14
Altitude
17503243.766014
Surface area
1.7687907363557E+14
Volume
9.7296558794919E+20
Height
9527559.1267301