20807791 is an odd 8-digits prime number following 20807790
and preceding 20807792 . In scientific notation, it is written as 2.0807791 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 20807790 positive integers (up to 20807791) that are relatively prime to 20807791.
20807791 has 2 divisors, whose sum is 20807792
The reverse of 20807791 is 19770802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred seven thousand seven hundred ninety-one
Scientific notation
2.0807791 × 10^7
Engineering notation
2.0807791 × 10^6
Prime Factorization
20807791
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20807791
Product of the distinct prime numbers
The prime factorization of 20807791 is 20807791.
Since it has a total of 1 prime factors.
5 , 2 , 22 , 48 , 292 , 740 , 7857 , 8950 , 56358 , 80991 , 625510 , 520668 , 4285707 , 6796522 , 24996572 , 57593802 , 121347479 , 581195675 , 6979868678 , 7832868210
n×2
41615582
n×3
62423373
n×4
83231164
n×5
104038955
n÷2
10403895.5
n÷3
6935930.3333333
n÷3
5201947.75
n÷5
4161558.2
n2
432964166299681
n3
9.009027882853E+21
n4
1.8745796929958E+29
n5
3.90058624647E+36
2 √n
4561.5557653064
3 √n
275.04810618477
4 √n
67.539290530079
5 √n
29.083401270766
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20807792
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10403896
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.5558749181
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038822
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20807791 can be divided by 2 positive divisors.
The sum of these divisors (counting 20807791) is 20807792, the average is 10403896.
Base
System
Value
2
Binary
1001111011000000001101111
3
Ternary
1110011010220221
4
Quaternary
1033120001233
5
Quinary
20311322131
6
Senary
2021552211
8
Octal
117300157
10
Decimal
20807791
12
Duodecimal
6b75667
16
Hexadecimal
13d806f
20
Vigesimal
6a0j9b
36
Base36
cdze7
md5
4dd9224ea4442c12179253980da71376
sha1
21b356e52d5b17251d359a2d6f6dbbdb3eb4854f
sha256
f35f8fbc96bbb66191bcc6057e13b43353e6f7df51fe22f39c1bb97b98244c12
sha512
defa3db2a8e56714b05b4f398528ccb9778982eb5817fb61349a95ba8b15cb462f7327501a4820d0df53d4a37857286215d81a68c8b5ee7c7f9c0800dc756606
ripemd-160
5c449854f3f5bc07bdb30cbdbcbd1cfeb32f0623
Diameter
41615582
Circumference
130739206.68606
Area
1.3601970441147E+15
Volume
3.7736927750342E+22
Surface area
5.4407881764588E+15
Circumference
130739206.68606
Perimeter
83231164
Area
432964166299681
Diagonal
29426660.235225
Surface area
2597784997798086
Volume
9.009027882853E+21
Space diagonal
36040151.205274
Perimeter
62423373
Area
1.8747898347194E+14
Altitude
18020075.602637
Surface area
1.8747898347194E+14
Volume
1.0617241179773E+21
Height
9808886.7450749