20807749 is an odd 8-digits prime number following 20807748
and preceding 20807750 . In scientific notation, it is written as 2.0807749 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20807748 positive integers (up to 20807749) that are relatively prime to 20807749.
20807749 has 2 divisors, whose sum is 20807750
The reverse of 20807749 is 94770802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred seven thousand seven hundred forty-nine
Scientific notation
2.0807749 × 10^7
Engineering notation
2.0807749 × 10^6
Prime Factorization
20807749
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20807749
Product of the distinct prime numbers
The prime factorization of 20807749 is 20807749.
Since it has a total of 1 prime factors.
4 , 8 , 83 , 27 , 685 , 354 , 4214 , 4833 , 14627 , 36514 , 938458 , 732565 , 835868 , 6969697 , 65986994 , 82643665 , 199331465 , 768291272 , 680802492 , 2047784615
n×2
41615498
n×3
62423247
n×4
83230996
n×5
104038745
n÷2
10403874.5
n÷3
6935916.3333333
n÷3
5201937.25
n÷5
4161549.8
n2
432962418447001
n3
9.0089733294782E+21
n4
1.8745645578748E+29
n5
3.9005468804554E+36
2 √n
4561.5511616116
3 √n
275.04792112543
4 √n
67.539256448465
5 √n
29.083389529935
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20807750
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10403875
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.5512712234
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999903882
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20807749 can be divided by 2 positive divisors.
The sum of these divisors (counting 20807749) is 20807750, the average is 10403875.
Base
System
Value
2
Binary
1001111011000000001000101
3
Ternary
1110011010212101
4
Quaternary
1033120001011
5
Quinary
20311321444
6
Senary
2021552101
8
Octal
117300105
10
Decimal
20807749
12
Duodecimal
6b75631
16
Hexadecimal
13d8045
20
Vigesimal
6a0j79
36
Base36
cdzd1
md5
c92df8a7b44d1344f2da8c2e079b5b54
sha1
eadac9b95b8f9af0e937fe0db74da0fc3bbd0db8
sha256
454e462d142232b1a86529f6a1d58dcca9372d889f31cca0b96cf0afed3dc19b
sha512
19a498f9502bba1d162e656814062b78a9ec2184adbe0a99b1724e4aeddb9f351627ae43223f3e2b6fcdf6ffda95f8da763ae328671e8e6ac437dc5c435df7dd
ripemd-160
21959fe092caa224a7fb8ec41b9af17e8a2e3b46
Diameter
41615498
Circumference
130738942.79228
Area
1.3601915530736E+15
Volume
3.77366992377E+22
Surface area
5.4407662122943E+15
Circumference
130738942.79228
Perimeter
83230996
Area
432962418447001
Diagonal
29426600.838255
Surface area
2597774510682006
Volume
9.0089733294782E+21
Space diagonal
36040078.45914
Perimeter
62423247
Area
1.8747822662953E+14
Altitude
18020039.22957
Surface area
1.8747822662953E+14
Volume
1.0617176888005E+21
Height
9808866.9460851