20642758 is an even 8-digits composite number following 20642757
and preceding 20642759 . In scientific notation, it is written as 2.0642758 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 10050976 positive integers (up to 20642758) that are relatively prime to 20642758.
20642758 has 16 divisors, whose sum is 31784400
The reverse of 20642758 is 85724602
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred forty-two thousand seven hundred fifty-eight
Scientific notation
2.0642758 × 10^7
Engineering notation
2.0642758 × 10^6
Prime Factorization
2 × 53 × 149 × 1307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20642758
Product of the distinct prime numbers
The prime factorization of 20642758 is 2 × 53 × 149 × 1307.
Since it has a total of 4 prime factors.
1 , 6 , 35 , 74 , 565 , 788 , 1899 , 9732 , 606 , 88202 , 158943 , 612040 , 7033139 , 2160654 , 80741120 , 23376978 , 26060504 , 632799065 , 5880913720 , 5258423730
n×2
41285516
n×3
61928274
n×4
82571032
n×5
103213790
n÷2
10321379
n÷3
6880919.3333333
n÷3
5160689.5
n÷5
4128551.6
n2
426123457846564
n3
8.7963634184498E+21
n4
1.8158120132711E+29
n5
3.7483367963449E+36
2 √n
4543.4302019509
3 √n
274.31901146385
4 √n
67.4049716412
5 √n
29.037120326711
1 , 2 , 53 , 106 , 149 , 298 , 1307 , 2614 , 7897 , 15794 , 69271 , 138542 , 194743 , 389486 , 10321379 , 20642758
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20642757
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20642758 can be divided by 16 positive divisors.
The sum of these divisors (counting 20642758) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101111101111000110
3
Ternary
1102211202112121
4
Quaternary
1032233233012
5
Quinary
20241032013
6
Senary
2014240154
8
Octal
116575706
10
Decimal
20642758
12
Duodecimal
6ab605a
16
Hexadecimal
13afbc6
20
Vigesimal
6906hi
36
Base36
cag1y
md5
53e7e3bd3726e7a4f49a072b32aef1ac
sha1
dda8709b58be39819fcdcbd3d239fa0b680776bd
sha256
9b9331c68302b941683ff24fadf4a59880c35463c430cd49b62ac5b15ca797f5
sha512
3bfe1143e67953e6d34be32450a7649087e828ebd59e4084602059f422aaed5aca4b0b7e771d7d1697e53a9162efd1b04c01f12a999275fd988429319922e6f1
ripemd-160
24ebf4f456c43411b1e7e93997bd3e88664232f6
Diameter
41285516
Circumference
129702273.76526
Area
1.338706324693E+15
Volume
3.6846120924944E+22
Surface area
5.3548252987722E+15
Circumference
129702273.76526
Perimeter
82571032
Area
426123457846564
Diagonal
29193268.328386
Surface area
2556740747079384
Volume
8.7963634184498E+21
Space diagonal
35754305.664349
Perimeter
61928274
Area
1.845168698218E+14
Altitude
17877152.832174
Surface area
1.845168698218E+14
Volume
1.0366613704945E+21
Height
9731089.4427952