20178769 is an odd 8-digits composite number following 20178768
and preceding 20178770 . In scientific notation, it is written as 2.0178769 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 18471024 positive integers (up to 20178769) that are relatively prime to 20178769.
20178769 has 12 divisors, whose sum is 22033200
The reverse of 20178769 is 96787102
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million one hundred seventy-eight thousand seven hundred sixty-nine
Scientific notation
2.0178769 × 10^7
Engineering notation
2.0178769 × 10^6
Prime Factorization
13 × 13 × 139 × 859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1552213
Product of the distinct prime numbers
The prime factorization of 20178769 is 13 × 13 × 139 × 859.
Since it has a total of 4 prime factors.
5 , 3 , 87 , 24 , 747 , 370 , 733 , 3927 , 95231 , 40933 , 212876 , 305964 , 5107353 , 9524718 , 53794527 , 91027256 , 882731691 , 990732745 , 2698063777 , 2408158576
n×2
40357538
n×3
60536307
n×4
80715076
n×5
100893845
n÷2
10089384.5
n÷3
6726256.3333333
n÷3
5044692.25
n÷5
4035753.8
n2
407182718355361
n3
8.2164460144849E+21
n4
1.6579776612726E+29
n5
3.345594823398E+36
2 √n
4492.0784721552
3 √n
272.24812008383
4 √n
67.022969735421
5 √n
28.905396679714
1 , 13 , 139 , 169 , 859 , 1807 , 11167 , 23491 , 119401 , 145171 , 1552213 , 20178769
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20178768
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20178769 can be divided by 12 positive divisors.
The sum of these divisors (counting 20178769) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111110011101010001
3
Ternary
1101222012001211
4
Quaternary
1030332131101
5
Quinary
20131210034
6
Senary
2000300121
8
Octal
114763521
10
Decimal
20178769
12
Duodecimal
6911641
16
Hexadecimal
133e751
20
Vigesimal
6626i9
36
Base36
c0i1d
md5
48c0a970c66c31c92a469e878c2671d2
sha1
edecfd6fde212cca8e2b14f4436c2a8abdbaf119
sha256
6977647e0e49e8311ec3aa5a04e2e51eac1359ec47a0964701fcfd582a80c840
sha512
4ba365f9b482a6f48d91df5dddb6419c9690d64b7bb44fcb19303959d1e060b4fceb3e1721ee3178356332a47fda474c6f1ebea79df4593809821333f9030771
ripemd-160
43f36ba0a11a8e67f1557d48669abc29af57d7f5
Diameter
40357538
Circumference
126786944.89777
Area
1.2792022366539E+15
Volume
3.441696858363E+22
Surface area
5.1168089466157E+15
Circumference
126786944.89777
Perimeter
80715076
Area
407182718355361
Diagonal
28537088.791794
Surface area
2443096310132166
Volume
8.2164460144849E+21
Space diagonal
34950653.142196
Perimeter
60536307
Area
1.7631528903887E+14
Altitude
17475326.571098
Surface area
1.7631528903887E+14
Volume
9.6831744901591E+20
Height
9512362.9305979