20688751 is an odd 8-digits prime number following 20688750
and preceding 20688752 . In scientific notation, it is written as 2.0688751 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20688750 positive integers (up to 20688751) that are relatively prime to 20688751.
20688751 has 2 divisors, whose sum is 20688752
The reverse of 20688751 is 15788602
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-eight thousand seven hundred fifty-one
Scientific notation
2.0688751 × 10^7
Engineering notation
2.0688751 × 10^6
Prime Factorization
20688751
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20688751
Product of the distinct prime numbers
The prime factorization of 20688751 is 20688751.
Since it has a total of 1 prime factors.
10 , 7 , 32 , 4 , 435 , 623 , 6440 , 276 , 21826 , 49106 , 554489 , 586757 , 1884546 , 9442788 , 26825660 , 45937514 , 304541054 , 610977011 , 4537655955 , 368316591
n×2
41377502
n×3
62066253
n×4
82755004
n×5
103443755
n÷2
10344375.5
n÷3
6896250.3333333
n÷3
5172187.75
n÷5
4137750.2
n2
428024417940001
n3
8.8552906046806E+21
n4
1.8320490235288E+29
n5
3.790280606758E+36
2 √n
4548.4888699435
3 √n
274.52259207135
4 √n
67.442485644759
5 √n
29.05004801436
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20688752
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10344376
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4548.4889798701
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999033291
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688751 can be divided by 2 positive divisors.
The sum of these divisors (counting 20688751) is 20688752, the average is 10344376.
Base
System
Value
2
Binary
1001110111010111101101111
3
Ternary
1102221002122001
4
Quaternary
1032322331233
5
Quinary
20244020001
6
Senary
2015233131
8
Octal
116727557
10
Decimal
20688751
12
Duodecimal
6b187a7
16
Hexadecimal
13baf6f
20
Vigesimal
6961hb
36
Base36
cbfjj
md5
a364ebcc2438ac31b4193180d5495029
sha1
fdb4a1acdb7ae7bad346a58af54f009108245ae4
sha256
7d4e3baa16db648a6d9cee621ebbce7af191643b910ec6c45038303238834562
sha512
3b1db5a646f426b8785e27088e161df285b9c40dab7d117b94b457fef9d9f29bc9b60735a150e375535ae0679358c831de52ce751dd9c3285187103e4d401a00
ripemd-160
1c24fcf9b979d6d62753cb54aa53de99db8653ac
Diameter
41377502
Circumference
129991256.3071
Area
1.3446783669574E+15
Volume
3.7092954545423E+22
Surface area
5.3787134678294E+15
Circumference
129991256.3071
Perimeter
82755004
Area
428024417940001
Diagonal
29258312.25276
Surface area
2568146507640006
Volume
8.8552906046806E+21
Space diagonal
35833967.877141
Perimeter
62066253
Area
1.8534000968804E+14
Altitude
17916983.938571
Surface area
1.8534000968804E+14
Volume
1.0436060059912E+21
Height
9752770.75092