20642747 is an odd 8-digits composite number following 20642746
and preceding 20642748 . In scientific notation, it is written as 2.0642747 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 20339424 positive integers (up to 20642747) that are relatively prime to 20642747.
20642747 has 8 divisors, whose sum is 20948400
The reverse of 20642747 is 74724602
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred forty-two thousand seven hundred forty-seven
Scientific notation
2.0642747 × 10^7
Engineering notation
2.0642747 × 10^6
Prime Factorization
229 × 109 × 827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20642747
Product of the distinct prime numbers
The prime factorization of 20642747 is 229 × 109 × 827.
Since it has a total of 3 prime factors.
3 , 7 , 31 , 95 , 217 , 467 , 7772 , 7861 , 91826 , 68347 , 27847 , 329149 , 2230100 , 6100392 , 20963053 , 92818421 , 83603828 , 202220557 , 8042000378 , 9402771460
n×2
41285494
n×3
61928241
n×4
82570988
n×5
103213735
n÷2
10321373.5
n÷3
6880915.6666667
n÷3
5160686.75
n÷5
4128549.4
n2
426123003706009
n3
8.7963493563832E+21
n4
1.8158081428743E+29
n5
3.7483268093894E+36
2 √n
4543.4289914117
3 √n
274.31896273797
4 √n
67.4049626616
5 √n
29.037117232082
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
-20642746
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 20642747 can be divided by 8 positive divisors.
The sum of these divisors (counting 20642747) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110101111101110111011
3
Ternary
1102211202112012
4
Quaternary
1032233232323
5
Quinary
20241031442
6
Senary
2014240135
8
Octal
116575673
10
Decimal
20642747
12
Duodecimal
6ab604b
16
Hexadecimal
13afbbb
20
Vigesimal
6906h7
36
Base36
cag1n
md5
e25ce68ae34930fb23cb442b2c48cb25
sha1
65a40924443b8bbe1944501cb26e8a94a80a6016
sha256
1d9976f01698085860fce49a90d2d142c17b66bda719db085fb6efa74e5061e1
sha512
75b05321252f067bcfb927ec602db8fdb61536519426d9251fc2caf566bbe42085d863ba4fb7b6fb55a41f3ebce5666915d6de3328b4e4b83fd173aa3a3d3918
ripemd-160
aeff1d574eb0b6d7b697104a5dabbbf26e8c64cc
Diameter
41285494
Circumference
129702204.65023
Area
1.3387048979684E+15
Volume
3.6846062021897E+22
Surface area
5.3548195918737E+15
Circumference
129702204.65023
Perimeter
82570988
Area
426123003706009
Diagonal
29193252.772037
Surface area
2556738022236054
Volume
8.7963493563832E+21
Space diagonal
35754286.61179
Perimeter
61928241
Area
1.8451667317317E+14
Altitude
17877143.305895
Surface area
1.8451667317317E+14
Volume
1.0366597132641E+21
Height
9731084.2573455