20123478 is an even 8-digits composite number following 20123477
and preceding 20123479 . In scientific notation, it is written as 2.0123478 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6312384 positive integers (up to 20123478) that are relatively prime to 20123478.
20123478 has 32 divisors, whose sum is 45601920
The reverse of 20123478 is 87432102
Previous prime number is 51
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-three thousand four hundred seventy-eight
Scientific notation
2.0123478 × 10^7
Engineering notation
2.0123478 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 51 × 7307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2235942
Product of the distinct prime numbers
The prime factorization of 20123478 is 2 × 3 × 3 × 3 × 51 × 7307.
Since it has a total of 6 prime factors.
1 , 10 , 42 , 69 , 712 , 562 , 1533 , 6672 , 10549 , 58320 , 10847 , 610463 , 6392909 , 4906033 , 89753108 , 23044833 , 477398550 , 535623445 , 8916922061 , 6724473937
n×2
40246956
n×3
60370434
n×4
80493912
n×5
100617390
n÷2
10061739
n÷3
6707826
n÷3
5030869.5
n÷5
4024695.6
n2
404954366816484
n3
8.1490902916354E+21
n4
1.6398803920374E+29
n5
3.3000096991796E+36
2 √n
4485.9199725363
3 √n
271.99923406647
4 √n
66.977010776357
5 √n
28.889538796147
1 , 2 , 3 , 6 , 9 , 18 , 27 , 51 , 54 , 102 , 153 , 306 , 459 , 918 , 1377 , 2754 , 7307 , 14614 , 21921 , 43842 , 65763 , 131526 , 197289 , 372657 , 394578 , 745314 , 1117971 , 2235942 , 3353913 , 6707826 , 10061739 , 20123478
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123477
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123478 can be divided by 32 positive divisors.
The sum of these divisors (counting 20123478) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000111101010110
3
Ternary
1101212101020000
4
Quaternary
1030300331112
5
Quinary
20122422403
6
Senary
1555152130
8
Octal
114607526
10
Decimal
20123478
12
Duodecimal
68a5646
16
Hexadecimal
1330f56
20
Vigesimal
65f8di
36
Base36
bzbdi
md5
34393709311adfe41fdae9f018ebea43
sha1
a77dfb19f01f9413621bf717fd0eaf6e24d785e4
sha256
a1e3670be1d8bf4d8e9e52f4075481825fb58eb41a73991d9607a9f04df6b274
sha512
24ed3f0318cf20e39cb2740cb44042ddd8143f9f27b65ce0005b03512a3df579d52de1d3794b842aab353163ec69f42fd34735cbe926a7182f9c255593f83158
ripemd-160
0ac41095ad911a5912c1f7ab633419c8ad245445
Diameter
40246956
Circumference
126439541.29895
Area
1.2722016638298E+15
Volume
3.4134829591522E+22
Surface area
5.0888066553191E+15
Circumference
126439541.29895
Perimeter
80493912
Area
404954366816484
Diagonal
28458895.509717
Surface area
2429726200898904
Volume
8.1490902916354E+21
Space diagonal
34854886.320995
Perimeter
60370434
Area
1.7535038451826E+14
Altitude
17427443.160497
Surface area
1.7535038451826E+14
Volume
9.6037950095281E+20
Height
9486298.5032389