20120247 is an odd 8-digits composite number following 20120246
and preceding 20120248 . In scientific notation, it is written as 2.0120247 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 11453760 positive integers (up to 20120247) that are relatively prime to 20120247.
20120247 has 24 divisors, whose sum is 33340320
The reverse of 20120247 is 74202102
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty thousand two hundred forty-seven
Scientific notation
2.0120247 × 10^7
Engineering notation
2.0120247 × 10^6
Prime Factorization
3 × 3 × 7 × 389 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6706749
Product of the distinct prime numbers
The prime factorization of 20120247 is 3 × 3 × 7 × 389 × 821.
Since it has a total of 5 prime factors.
7 , 7 , 1 , 73 , 964 , 231 , 7738 , 7295 , 55670 , 47140 , 449669 , 563253 , 9090918 , 8594000 , 97671475 , 29397828 , 471254763 , 103079080 , 7398494961 , 3382636563
n×2
40240494
n×3
60360741
n×4
80480988
n×5
100601235
n÷2
10060123.5
n÷3
6706749
n÷3
5030061.75
n÷5
4024049.4
n2
404824339341009
n3
8.1451656991529E+21
n4
1.6388274572288E+29
n5
3.2973613229826E+36
2 √n
4485.5598312808
3 √n
271.98467600376
4 √n
66.974322178584
5 √n
28.88861104305
1 , 3 , 7 , 9 , 21 , 63 , 389 , 821 , 1167 , 2463 , 2723 , 3501 , 5747 , 7389 , 8169 , 17241 , 24507 , 51723 , 319369 , 958107 , 2235583 , 2874321 , 6706749 , 20120247
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120247 can be divided by 24 positive divisors.
The sum of these divisors (counting 20120247) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000001010110111
3
Ternary
1101212012210100
4
Quaternary
1030300022313
5
Quinary
20122321442
6
Senary
1555125143
8
Octal
114601267
10
Decimal
20120247
12
Duodecimal
68a37b3
16
Hexadecimal
13302b7
20
Vigesimal
65f0c7
36
Base36
bz8vr
md5
3cadd62a9f380078a9a8c0d2488cee2d
sha1
417992eb89cc29f23b30ca4f8c2e634f93daf39d
sha256
6bb54ee130898d4cc8bfe54d3da68e2857d5ee4fe42cbe60f82685fde0e58ba9
sha512
113073dded46789ca09cbb2025e38e6d7b5da300d9c600d91bc0c9bb65e5cae871ecc2c4ab876960ad54a1a5615d7344b7282295b3b9a843d9f3f1b55e8f5bf0
ripemd-160
27184977dba90314a9b70ccca30fe985a5938bf5
Diameter
40240494
Circumference
126419240.32722
Area
1.2717931704681E+15
Volume
3.4118390296974E+22
Surface area
5.0871726818722E+15
Circumference
126419240.32722
Perimeter
80480988
Area
404824339341009
Diagonal
28454326.185697
Surface area
2428946036046054
Volume
8.1451656991529E+21
Space diagonal
34849290.064835
Perimeter
60360741
Area
1.7529408096978E+14
Altitude
17424645.032418
Surface area
1.7529408096978E+14
Volume
9.5991698329318E+20
Height
9484775.3952322