20496781 is an odd 8-digits composite number following 20496780
and preceding 20496782 . In scientific notation, it is written as 2.0496781 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 19291072 positive integers (up to 20496781) that are relatively prime to 20496781.
20496781 has 4 divisors, whose sum is 21702492
The reverse of 20496781 is 18769402
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred ninety-six thousand seven hundred eighty-one
Scientific notation
2.0496781 × 10^7
Engineering notation
2.0496781 × 10^6
Prime Factorization
17 × 1205693
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20496781
Product of the distinct prime numbers
The prime factorization of 20496781 is 17 × 1205693.
Since it has a total of 2 prime factors.
7 , 8 , 74 , 52 , 771 , 360 , 9508 , 7482 , 85938 , 8347 , 30065 , 385297 , 7249408 , 3859995 , 62634353 , 57231284 , 615712737 , 831829492 , 2224248285 , 415862149
n×2
40993562
n×3
61490343
n×4
81987124
n×5
102483905
n÷2
10248390.5
n÷3
6832260.3333333
n÷3
5124195.25
n÷5
4099356.2
n2
420118031361961
n3
8.6110672829772E+21
n4
1.7649916027545E+29
n5
3.6176646348498E+36
2 √n
4527.3370760305
3 √n
273.67085790703
4 √n
67.285489342283
5 √n
28.995935978037
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
-20496780
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 20496781 can be divided by 4 positive divisors.
The sum of these divisors (counting 20496781) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001100000110001101
3
Ternary
1102120100022001
4
Quaternary
1032030012031
5
Quinary
20221344111
6
Senary
2011152301
8
Octal
116140615
10
Decimal
20496781
12
Duodecimal
6a45691
16
Hexadecimal
138c18d
20
Vigesimal
6821j1
36
Base36
c7bf1
md5
e08a0bd94ca2531dcdeca028c7b5a69f
sha1
5852a2f40053b87fd105d87b87abc0253cfb53d3
sha256
bba93324c477806b286f1da3c018be03ff95cc57bbfedc60f92ad4410b17edc5
sha512
1442bd86dfe399fe69ecf8b13830f47aefb4de22d4d7c3ddd8c53533a80eb9b914b74a86a2780866067e4dd9dc717bf68b2911970857607895d10d20b64637e3
ripemd-160
c59c93fe9d20a1ad14acf1d00db627a9345ffb83
Diameter
40993562
Circumference
128785073.22368
Area
1.3198397209673E+15
Volume
3.6069954287692E+22
Surface area
5.2793588838694E+15
Circumference
128785073.22368
Perimeter
81987124
Area
420118031361961
Diagonal
28986825.675191
Surface area
2520708188171766
Volume
8.6110672829772E+21
Space diagonal
35501466.083612
Perimeter
61490343
Area
1.8191644387368E+14
Altitude
17750733.041806
Surface area
1.8191644387368E+14
Volume
1.0148240115078E+21
Height
9662275.2250637