20247988 is an even 8-digits composite number following 20247987
and preceding 20247989 . In scientific notation, it is written as 2.0247988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10113272 positive integers (up to 20247988) that are relatively prime to 20247988.
20247988 has 12 divisors, whose sum is 35471520
The reverse of 20247988 is 88974202
Previous prime number is 1223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million two hundred forty-seven thousand nine hundred eighty-eight
Scientific notation
2.0247988 × 10^7
Engineering notation
2.0247988 × 10^6
Prime Factorization
2 × 2 × 1223 × 4139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10123994
Product of the distinct prime numbers
The prime factorization of 20247988 is 2 × 2 × 1223 × 4139.
Since it has a total of 4 prime factors.
7 , 4 , 25 , 10 , 380 , 23 , 9613 , 3441 , 40137 , 18441 , 885885 , 349324 , 3068885 , 5811712 , 20195479 , 49504677 , 423531970 , 906309356 , 5817809396 , 8280272853
n×2
40495976
n×3
60743964
n×4
80991952
n×5
101239940
n÷2
10123994
n÷3
6749329.3333333
n÷3
5061997
n÷5
4049597.6
n2
409981018048144
n3
8.3012907336666E+21
n4
1.6808443515979E+29
n5
3.4033716261023E+36
2 √n
4499.7764388912
3 √n
272.55906135019
4 √n
67.080372978176
5 √n
28.925200295657
1 , 2 , 4 , 1223 , 2446 , 4139 , 4892 , 8278 , 16556 , 5061997 , 10123994 , 20247988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20247987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20247988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20247988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001111010110110100
3
Ternary
1102002201000111
4
Quaternary
1031033112310
5
Quinary
20140413423
6
Senary
2001552404
8
Octal
115172664
10
Decimal
20247988
12
Duodecimal
6945704
16
Hexadecimal
134f5b4
20
Vigesimal
66ajj8
36
Base36
c1zg4
md5
bb664b6f9ad84e71506b7685faa08c87
sha1
66e0733907663408003c1ca18c94d5119324c89f
sha256
de9f65bd78af44ac87b3bde3caa36a78d958358ae899887d19f7cfb33c40256c
sha512
3d8004b2f62ef85aa18a44efee95e389d6b06f8e98f6cfe27ea5776104979baa2dcf9580bf28360df7858fb801db03d6c59e54b3f5f3fc9de1d54d12fbfbc524
ripemd-160
e6acabcf453a56ce0c866afa4b6d458e0f213e3a
Diameter
40495976
Circumference
127221860.70155
Area
1.2879933544113E+15
Volume
3.4772365312267E+22
Surface area
5.1519734176453E+15
Circumference
127221860.70155
Perimeter
80991952
Area
409981018048144
Diagonal
28634979.240368
Surface area
2459886108288864
Volume
8.3012907336666E+21
Space diagonal
35070543.967045
Perimeter
60743964
Area
1.7752698834955E+14
Altitude
17535271.983522
Surface area
1.7752698834955E+14
Volume
9.7831649506278E+20
Height
9544993.0801226