13887921 is an odd 8-digits composite number following 13887920
and preceding 13887922 . In scientific notation, it is written as 1.3887921 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 9204752 positive integers (up to 13887921) that are relatively prime to 13887921.
13887921 has 8 divisors, whose sum is 18624960
The reverse of 13887921 is 12978831
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirteen million eight hundred eighty-seven thousand nine hundred twenty-one
Scientific notation
1.3887921 × 10^7
Engineering notation
1.3887921 × 10^6
Prime Factorization
3 × 173 × 26759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13887921
Product of the distinct prime numbers
The prime factorization of 13887921 is 3 × 173 × 26759.
Since it has a total of 3 prime factors.
4 , 6 , 34 , 58 , 334 , 101 , 9027 , 5237 , 74999 , 75335 , 155239 , 10744 , 1771322 , 2521977 , 93509773 , 44675243 , 820462681 , 256190885 , 9411394646 , 2985142228
n×2
27775842
n×3
41663763
n×4
55551684
n×5
69439605
n÷2
6943960.5
n÷3
4629307
n÷3
3471980.25
n÷5
2777584.2
n2
192874349702241
n3
2.6786237315911E+21
n4
3.7200514773062E+28
n5
5.1663781032762E+35
2 √n
3726.6501043162
3 √n
240.36934450552
4 √n
61.046294763206
5 √n
26.824241318815
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13887920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13887921 can be divided by 8 positive divisors.
The sum of these divisors (counting 13887921) is 1, the average is 0.125.
Base
System
Value
2
Binary
110100111110100110110001
3
Ternary
222010120122110
4
Quaternary
310332212301
5
Quinary
12023403141
6
Senary
1213355533
8
Octal
64764661
10
Decimal
13887921
12
Duodecimal
4798ba9
16
Hexadecimal
d3e9b1
20
Vigesimal
46fjg1
36
Base36
89nzl
md5
0aa6062ecf8a9a37faf3ee0cafe8153b
sha1
d1d22ed36490cc08d1fd23f085c43a70f35b51e1
sha256
14b571d619b1835e1f2327bd8adb7f631fd1b2c74a7b36c40486db3922feb37b
sha512
f12a42914a9921d6145e44290c31fc088844e8928e16525d859b569f936e86e24e32475dce55ae1fdb804fdec21f701504656fff595801574249cca6c1981d29
ripemd-160
1572f098cadc920d431ea8cb68e0c5da39d0a34c
Diameter
27775842
Circumference
87260381.174471
Area
6.0593264009047E+14
Volume
1.1220192849197E+22
Surface area
2.4237305603619E+15
Circumference
87260381.174471
Perimeter
55551684
Area
192874349702241
Diagonal
19640486.231366
Surface area
1157246098213446
Volume
2.6786237315911E+21
Space diagonal
24054584.783503
Perimeter
41663763
Area
83517043290272
Altitude
12027292.391751
Surface area
83517043290272
Volume
3.1567883414255E+20
Height
6546828.7437887