20131455 is an odd 8-digits composite number following 20131454
and preceding 20131456 . In scientific notation, it is written as 2.0131455 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10692000 positive integers (up to 20131455) that are relatively prime to 20131455.
20131455 has 16 divisors, whose sum is 32344704
The reverse of 20131455 is 55413102
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred thirty-one thousand four hundred fifty-five
Scientific notation
2.0131455 × 10^7
Engineering notation
2.0131455 × 10^6
Prime Factorization
3 × 5 × 251 × 5347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131455
Product of the distinct prime numbers
The prime factorization of 20131455 is 3 × 5 × 251 × 5347.
Since it has a total of 4 prime factors.
5 , 4 , 91 , 54 , 657 , 259 , 6150 , 2887 , 87999 , 45359 , 211902 , 81620 , 4055663 , 7371753 , 25377935 , 36722141 , 363226751 , 717937230 , 4419612882 , 6862705579
n×2
40262910
n×3
60394365
n×4
80525820
n×5
100657275
n÷2
10065727.5
n÷3
6710485
n÷3
5032863.75
n÷5
4026291
n2
405275480417025
n3
8.1587850966187E+21
n4
1.6424821502725E+29
n5
3.3065555496514E+36
2 √n
4486.8089997235
3 √n
272.03516972426
4 √n
66.983647256054
5 √n
28.891828811014
1 , 3 , 5 , 15 , 251 , 753 , 1255 , 3765 , 5347 , 16041 , 26735 , 80205 , 1342097 , 4026291 , 6710485 , 20131455
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
-20131454
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 20131455 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131455) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111001111111
3
Ternary
1101212210011110
4
Quaternary
1030302321333
5
Quinary
20123201310
6
Senary
1555253103
8
Octal
114627177
10
Decimal
20131455
12
Duodecimal
68aa193
16
Hexadecimal
1332e7f
20
Vigesimal
65g8cf
36
Base36
bzhj3
md5
09c095de98940c9feaf823cc47040fc4
sha1
3d99411eeeed8b009eabb34aa04a674e6a9f445c
sha256
b781370a4bf7fee2d58b5103f340dde5c35b3107b26f7c195291385c5ba774c3
sha512
f970adf5fe67af97b8b5bf82c818d9a05f3da3045b6613de2495f0323d894746f2ec5b202901ababd19355d481eb807a40dbf22c1c4e5a1c2d436b952016dadb
ripemd-160
2bd66cc45759728dd9a6c646e50a0883d0942e2d
Diameter
40262910
Circumference
126489662.26815
Area
1.2732104719582E+15
Volume
3.4175439095674E+22
Surface area
5.0928418878328E+15
Circumference
126489662.26815
Perimeter
80525820
Area
405275480417025
Diagonal
28470176.691304
Surface area
2431652882502150
Volume
8.1587850966187E+21
Space diagonal
34868702.890287
Perimeter
60394365
Area
1.7548943078604E+14
Altitude
17434351.445143
Surface area
1.7548943078604E+14
Volume
9.6152204467714E+20
Height
9490058.8971012