13888978 is an even 8-digits composite number following 13888977
and preceding 13888979 . In scientific notation, it is written as 1.3888978 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 6944488 positive integers (up to 13888978) that are relatively prime to 13888978.
13888978 has 4 divisors, whose sum is 20833470
The reverse of 13888978 is 87988831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
thirteen million eight hundred eighty-eight thousand nine hundred seventy-eight
Scientific notation
1.3888978 × 10^7
Engineering notation
1.3888978 × 10^6
Prime Factorization
2 × 6944489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13888978
Product of the distinct prime numbers
The prime factorization of 13888978 is 2 × 6944489.
Since it has a total of 2 prime factors.
2 , 7 , 63 , 19 , 475 , 313 , 7457 , 1220 , 14133 , 96358 , 288258 , 125737 , 1233351 , 1237036 , 40937475 , 52337757 , 524099474 , 104549252 , 4706461020 , 6534831643
n×2
27777956
n×3
41666934
n×4
55555912
n×5
69444890
n÷2
6944489
n÷3
4629659.3333333
n÷3
3472244.5
n÷5
2777795.6
n2
192903709884484
n3
2.679235382704E+21
n4
3.7211841287197E+28
n5
5.1683444497737E+35
2 √n
3726.7919179906
3 √n
240.37544246532
4 √n
61.047456277806
5 √n
26.824649621252
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13888977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13888978 can be divided by 4 positive divisors.
The sum of these divisors (counting 13888978) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100111110110111010010
3
Ternary
222010122002121
4
Quaternary
310332313102
5
Quinary
12023421403
6
Senary
1213404454
8
Octal
64766722
10
Decimal
13888978
12
Duodecimal
479972a
16
Hexadecimal
d3edd2
20
Vigesimal
46g28i
36
Base36
89osy
md5
9e466568e5be679e32d45032881315db
sha1
0a7426554cce32f8c19ba50af7fadb88fcb09b34
sha256
bf6e689c7b9a7845f7975559d68812b96f68c7a848ae6e18cc6326741bd2c741
sha512
11008d93ff1b807014757d37a255408f46400979b09cd8e1e889e8f6898593d4b3fc4b634df993e2b7492bf9d94cb8953ebea6f1ba4bf0b5d08421687bbdcbf6
ripemd-160
74d58034d4dab33aeed39216351fe0856904dfe3
Diameter
27777956
Circumference
87267022.501341
Area
6.0602487782331E+14
Volume
1.1222754927388E+22
Surface area
2.4240995112932E+15
Circumference
87267022.501341
Perimeter
55555912
Area
192903709884484
Diagonal
19641981.055102
Surface area
1157422259306904
Volume
2.679235382704E+21
Space diagonal
24056415.561206
Perimeter
41666934
Area
83529756622113
Altitude
12028207.780603
Surface area
83529756622113
Volume
3.1575091791749E+20
Height
6547327.0183672