20155747 is an odd 8-digits prime number following 20155746
and preceding 20155748 . In scientific notation, it is written as 2.0155747 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20155746 positive integers (up to 20155747) that are relatively prime to 20155747.
20155747 has 2 divisors, whose sum is 20155748
The reverse of 20155747 is 74755102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifty-five thousand seven hundred forty-seven
Scientific notation
2.0155747 × 10^7
Engineering notation
2.0155747 × 10^6
Prime Factorization
20155747
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20155747
Product of the distinct prime numbers
The prime factorization of 20155747 is 20155747.
Since it has a total of 1 prime factors.
7 , 3 , 2 , 27 , 710 , 418 , 2166 , 7496 , 4800 , 83702 , 889052 , 615191 , 6150414 , 9326580 , 25940485 , 53709644 , 763125079 , 392865869 , 3317495597 , 9720830260
n×2
40311494
n×3
60467241
n×4
80622988
n×5
100778735
n÷2
10077873.5
n÷3
6718582.3333333
n÷3
5038936.75
n÷5
4031149.4
n2
406254137128009
n3
8.1883556056555E+21
n4
1.6504242393362E+29
n5
3.3265533410729E+36
2 √n
4489.5152299552
3 √n
272.14454453302
4 √n
67.003844889344
5 √n
28.898798022082
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20155748
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10077874
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4489.5153413258
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007727
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155747 can be divided by 2 positive divisors.
The sum of these divisors (counting 20155747) is 20155748, the average is 10077874.
Base
System
Value
2
Binary
1001100111000110101100011
3
Ternary
1101221000111011
4
Quaternary
1030320311203
5
Quinary
20124440442
6
Senary
2000001351
8
Octal
114706543
10
Decimal
20155747
12
Duodecimal
6900257
16
Hexadecimal
1338d63
20
Vigesimal
65j977
36
Base36
c009v
md5
593074785129c00b4d107012f2278dc7
sha1
d95313a4786a43c63a40c134724b2d64a77f08c1
sha256
0839012efafb4851f924ee9b28010260ddd1bbf2c0402fc5ac20c2fe0e7a725c
sha512
a87193ad9dac67951617c436493b2075336dda1be85c0e1d97ff55dc257523eff7137fe6b36d3d3c47fb0acd6330a65b5a33da1b8b2f9e7cf8582441cc993dac
ripemd-160
0403220f2fedb82452702d39d1db268572680f41
Diameter
40311494
Circumference
126642293.40563
Area
1.2762850126918E+15
Volume
3.4299303754277E+22
Surface area
5.1051400507673E+15
Circumference
126642293.40563
Perimeter
80622988
Area
406254137128009
Diagonal
28504530.767161
Surface area
2437524822768054
Volume
8.1883556056555E+21
Space diagonal
34910777.868504
Perimeter
60467241
Area
1.7591320157269E+14
Altitude
17455388.934252
Surface area
1.7591320157269E+14
Volume
9.6500696258764E+20
Height
9501510.2557203