20210247 is an odd 8-digits composite number following 20210246
and preceding 20210248 . In scientific notation, it is written as 2.0210247 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 13473492 positive integers (up to 20210247) that are relatively prime to 20210247.
20210247 has 4 divisors, whose sum is 22455840
The reverse of 20210247 is 74201202
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million two hundred ten thousand two hundred forty-seven
Scientific notation
2.0210247 × 10^7
Engineering notation
2.0210247 × 10^6
Prime Factorization
9 × 2245583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20210247
Product of the distinct prime numbers
The prime factorization of 20210247 is 9 × 2245583.
Since it has a total of 2 prime factors.
9 , 2 , 34 , 19 , 154 , 945 , 8072 , 5657 , 21976 , 55615 , 699436 , 329998 , 6553317 , 4558443 , 26426211 , 26470815 , 797200488 , 52588380 , 7962026972 , 8675299598
n×2
40420494
n×3
60630741
n×4
80840988
n×5
101051235
n÷2
10105123.5
n÷3
6736749
n÷3
5052561.75
n÷5
4042049.4
n2
408454083801009
n3
8.2549579217771E+21
n4
1.6683473857372E+29
n5
3.3717712747553E+36
2 √n
4495.5808301042
3 √n
272.38961160225
4 √n
67.049092686659
5 √n
28.914409289509
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210247 can be divided by 4 positive divisors.
The sum of these divisors (counting 20210247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000110001001000111
3
Ternary
1102000210020200
4
Quaternary
1031012021013
5
Quinary
20133211442
6
Senary
2001101543
8
Octal
115061107
10
Decimal
20210247
12
Duodecimal
69278b3
16
Hexadecimal
1346247
20
Vigesimal
6665c7
36
Base36
c16br
md5
9a52d51963c0d3e2dc21c5e4f396c909
sha1
9dfa165c1b744d4f017757af5c824ad3a60b49e0
sha256
bcc12608ee325e3a13a1ea3ccd04b516009997e616de41c994e9faee25e5fbc1
sha512
55a51a39446afb86a7f0fa80718d516bd187f3f5051f379d65573fee8d1f9df06960c8eeec4643923866816fa18e81c621c9992d030abe5e14a03e62679a3dec
ripemd-160
8fafb590b7d23ec87e681699e8366f4a00049f3e
Diameter
40420494
Circumference
126984727.00487
Area
1.283196348998E+15
Volume
3.4578286883664E+22
Surface area
5.132785395992E+15
Circumference
126984727.00487
Perimeter
80840988
Area
408454083801009
Diagonal
28581605.40631
Surface area
2450724502806054
Volume
8.2549579217771E+21
Space diagonal
35005174.637516
Perimeter
60630741
Area
1.7686580642559E+14
Altitude
17502587.318758
Surface area
1.7686580642559E+14
Volume
9.7285612081637E+20
Height
9527201.8021034