20807555 is an odd 8-digits composite number following 20807554
and preceding 20807556 . In scientific notation, it is written as 2.0807555 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 16236288 positive integers (up to 20807555) that are relatively prime to 20807555.
20807555 has 16 divisors, whose sum is 25592160
The reverse of 20807555 is 55570802
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred seven thousand five hundred fifty-five
Scientific notation
2.0807555 × 10^7
Engineering notation
2.0807555 × 10^6
Prime Factorization
5 × 109 × 73 × 523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20807555
Product of the distinct prime numbers
The prime factorization of 20807555 is 5 × 109 × 73 × 523.
Since it has a total of 4 prime factors.
9 , 9 , 71 , 21 , 758 , 774 , 5672 , 8561 , 83150 , 64250 , 997458 , 123464 , 9420364 , 8227426 , 99107946 , 33916456 , 38451285 , 695007062 , 8648831118 , 7979910535
n×2
41615110
n×3
62422665
n×4
83230220
n×5
104037775
n÷2
10403777.5
n÷3
6935851.6666667
n÷3
5201888.75
n÷5
4161511
n2
432954345078025
n3
9.0087213477E+21
n4
1.8744946492194E+29
n5
3.9003650510839E+36
2 √n
4561.5298968657
3 √n
275.04706632429
4 √n
67.539099023201
5 √n
29.083335298229
1 , 5 , 73 , 109 , 365 , 523 , 545 , 2615 , 7957 , 38179 , 39785 , 57007 , 190895 , 285035 , 4161511 , 20807555
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
-20807554
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 20807555 can be divided by 16 positive divisors.
The sum of these divisors (counting 20807555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111111110000011
3
Ternary
1110011010121012
4
Quaternary
1033113332003
5
Quinary
20311320210
6
Senary
2021551135
8
Octal
117277603
10
Decimal
20807555
12
Duodecimal
6b754ab
16
Hexadecimal
13d7f83
20
Vigesimal
6a0ihf
36
Base36
cdz7n
md5
5a00c2ef19b388faa35564300845cfea
sha1
17dc48de4b91c27e1e40fd57ff3df86743d00a53
sha256
8208ef725d8f2e8ed64bc0d6c6e7478f7980ece2ad7984dd5e183b42063ba3c1
sha512
8abf37846e8dd170874dd295e435942c32da819d1ecec40e8e486bb2c3c21b3910718eaa6c5efd186e1652940f57bd1692fcf41b4467e4c2ac5b9934b9601ee0
ripemd-160
1c3681cc99617641474d80052700a686097b75e9
Diameter
41615110
Circumference
130737723.85433
Area
1.3601661898369E+15
Volume
3.7735643738896E+22
Surface area
5.4406647593476E+15
Circumference
130737723.85433
Perimeter
83230220
Area
432954345078025
Diagonal
29426326.480824
Surface area
2597726070468150
Volume
9.0087213477E+21
Space diagonal
36039742.441284
Perimeter
62422665
Area
1.8747473075821E+14
Altitude
18019871.220642
Surface area
1.8747473075821E+14
Volume
1.0616879924631E+21
Height
9808775.493608