20451345 is an odd 8-digits composite number following 20451344
and preceding 20451346 . In scientific notation, it is written as 2.0451345 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10674944 positive integers (up to 20451345) that are relatively prime to 20451345.
20451345 has 16 divisors, whose sum is 33419520
The reverse of 20451345 is 54315402
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred fifty-one thousand three hundred forty-five
Scientific notation
2.0451345 × 10^7
Engineering notation
2.0451345 × 10^6
Prime Factorization
3 × 5 × 47 × 29009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20451345
Product of the distinct prime numbers
The prime factorization of 20451345 is 3 × 5 × 47 × 29009.
Since it has a total of 4 prime factors.
1 , 10 , 94 , 35 , 943 , 890 , 622 , 7197 , 50063 , 63550 , 881589 , 205057 , 3168793 , 1244263 , 75744899 , 39784377 , 137018041 , 76008510 , 7327863645 , 5953690292
n×2
40902690
n×3
61354035
n×4
81805380
n×5
102256725
n÷2
10225672.5
n÷3
6817115
n÷3
5112836.25
n÷5
4090269
n2
418257512309025
n3
8.5539286830736E+21
n4
1.7493934660293E+29
n5
3.5777449314512E+36
2 √n
4522.3163312621
3 √n
273.46848940748
4 √n
67.248169724254
5 √n
28.98306928362
1 , 3 , 5 , 15 , 47 , 141 , 235 , 705 , 29009 , 87027 , 145045 , 435135 , 1363423 , 4090269 , 6817115 , 20451345
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
-20451344
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 20451345 can be divided by 16 positive divisors.
The sum of these divisors (counting 20451345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001000000010001
3
Ternary
1102111000222020
4
Quaternary
1032001000101
5
Quinary
20213420340
6
Senary
2010202053
8
Octal
116010021
10
Decimal
20451345
12
Duodecimal
6a23329
16
Hexadecimal
1381011
20
Vigesimal
67g875
36
Base36
c6ccx
md5
16eaeb59f99e2f40240975937f41fd6c
sha1
2080930621e244e27ab21311777118339f754a40
sha256
655128cf85d649bc39e70daa3be64e3ea048b2a077240cee48bef10d6422b9dd
sha512
b703950183127d66a59e19042687f851c3ca9e1ce91a1b5aac951fcf7f032fc31fdfeed63515a3e0a4dadba8e80a5bec56186cfbeff5f0b5e2c5b9cf4f395201
ripemd-160
d4d93835b223066d79610342e2374aea371a6922
Diameter
40902690
Circumference
128499590.41606
Area
1.3139947279788E+15
Volume
3.58306126801E+22
Surface area
5.2559789119151E+15
Circumference
128499590.41606
Perimeter
81805380
Area
418257512309025
Diagonal
28922569.467771
Surface area
2509545073854150
Volume
8.5539286830736E+21
Space diagonal
35422768.62312
Perimeter
61354035
Area
1.8111081549165E+14
Altitude
17711384.31156
Surface area
1.8111081549165E+14
Volume
1.0080901629312E+21
Height
9640856.4892571