13888945 is an odd 8-digits composite number following 13888944
and preceding 13888946 . In scientific notation, it is written as 1.3888945 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 9423360 positive integers (up to 13888945) that are relatively prime to 13888945.
13888945 has 16 divisors, whose sum is 19248768
The reverse of 13888945 is 54988831
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirteen million eight hundred eighty-eight thousand nine hundred forty-five
Scientific notation
1.3888945 × 10^7
Engineering notation
1.3888945 × 10^6
Prime Factorization
7 × 5 × 97 × 4091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13888945
Product of the distinct prime numbers
The prime factorization of 13888945 is 7 × 5 × 97 × 4091.
Since it has a total of 4 prime factors.
7 , 2 , 61 , 24 , 428 , 199 , 9330 , 9191 , 19595 , 33551 , 632444 , 398985 , 8699713 , 285810 , 87043613 , 61818807 , 9993768 , 634430932 , 90642388 , 1609064911
n×2
27777890
n×3
41666835
n×4
55555780
n×5
69444725
n÷2
6944472.5
n÷3
4629648.3333333
n÷3
3472236.25
n÷5
2777789
n2
192902793213025
n3
2.6792162852821E+21
n4
3.7211487629387E+28
n5
5.1682830505274E+35
2 √n
3726.7874905876
3 √n
240.37525208904
4 √n
61.047420015817
5 √n
26.824636874248
1 , 5 , 7 , 35 , 97 , 485 , 679 , 3395 , 4091 , 20455 , 28637 , 143185 , 396827 , 1984135 , 2777789 , 13888945
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
-13888944
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 13888945 can be divided by 16 positive divisors.
The sum of these divisors (counting 13888945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110100111110110110110001
3
Ternary
222010122001101
4
Quaternary
310332312301
5
Quinary
12023421240
6
Senary
1213404401
8
Octal
64766661
10
Decimal
13888945
12
Duodecimal
4799701
16
Hexadecimal
d3edb1
20
Vigesimal
46g275
36
Base36
89os1
md5
32e33ca1bbe35a2018dccd9f060a9607
sha1
2b0041479ba888ddb639da5abfb55eb9b75ab4db
sha256
f9c1d83bda4b03482d65952bd5e60cd4ad9897abbbb6f44cb2570dadaab91983
sha512
ef40b0d11d8ff929835414326bec30ded69f71f26e0fad610793d3361fff49a3c74e6a2349d26064b9915d4ea84e457d57ffe8f477560cc75a340f8d7cb9dd7e
ripemd-160
d6105605ee29103ca8749703211a41374b5e0e4d
Diameter
27777890
Circumference
87266815.156225
Area
6.0602199801499E+14
Volume
1.1222674932294E+22
Surface area
2.42408799206E+15
Circumference
87266815.156225
Perimeter
55555780
Area
192902793213025
Diagonal
19641934.386054
Surface area
1157416759278150
Volume
2.6792162852821E+21
Space diagonal
24056358.40353
Perimeter
41666835
Area
83529359691728
Altitude
12028179.201765
Surface area
83529359691728
Volume
3.1574866726473E+20
Height
6547311.462018