13887989 is an odd 8-digits prime number following 13887988
and preceding 13887990 . In scientific notation, it is written as 1.3887989 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 13887988 positive integers (up to 13887989) that are relatively prime to 13887989.
13887989 has 2 divisors, whose sum is 13887990
The reverse of 13887989 is 98978831
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
thirteen million eight hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
1.3887989 × 10^7
Engineering notation
1.3887989 × 10^6
Prime Factorization
13887989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
13887989 Product of the distinct prime numbers
The prime factorization of 13887989 is 13887989.
Since it has a total of 1 prime factors.
8 , 6 , 55 , 88 , 151 , 811 , 3674 , 5711 , 95085 , 38120 , 913014 , 768906 , 4659973 , 5221709 , 11045389 , 79628958 , 872997359 , 771707061 , 9499194631 , 6486152709
n×2
27775978
n×3
41663967
n×4
55551956
n×5
69439945
n÷2
6943994.5
n÷3
4629329.6666667
n÷3
3471997.25
n÷5
2777597.8
n2
192876238464121
n3
2.6786630781511E+21
n4
3.7201243364068E+28
n5
5.1665045862651E+35
2 √n3726.6592277803
3 √n240.36973681499
4 √n61.046369488941
5 √n26.824267586891
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
13887990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
6943995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
3726.6593619487 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998559907 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13887989 can be divided by 2 positive divisors.
The sum of these divisors (counting 13887989) is 13887990, the average is 6943995.
Base
System
Value
2
Binary
110100111110100111110101
3
Ternary
222010120201222
4
Quaternary
310332213311
5
Quinary
12023403424
6
Senary
1213400125
8
Octal
64764765
10
Decimal
13887989
12
Duodecimal
4799045
16
Hexadecimal
d3e9f5
20
Vigesimal
46fjj9
36
Base36
89o1h
md5
42563452863de96e40acf4ded63e221b
sha1
7f1ad1c42aaedf35694acfc21ee27c7eac004f85
sha256
068ae634c43e3a45d4605ab4564a381919e82926cabd3226f741de39fc88e629
sha512
14d4a57ca6671a50d22fc3eb44fa14fb81bea0ecd6acbed1f9eabf3ece25d4a3a8e37f58e335a8d52d94adf877c1466040449dbaa2096d3935f8baee0dbb1174
ripemd-160
8f3234fe8a8cb0ce3f3126b5ddf666a4b7b622ee
Diameter
27775978
Circumference
87260808.431072
Area
6.0593857381092E+14
Volume
1.1220357663682E+22
Surface area
2.4237542952437E+15
Circumference
87260808.431072
Perimeter
55551956
Area
192876238464121
Diagonal
19640582.397888
Surface area
1157257430784726
Volume
2.6786630781511E+21
Space diagonal
24054702.562958
Perimeter
41663967
Area
83517861148157
Altitude
12027351.281479
Surface area
83517861148157
Volume
3.1568347117911E+20
Height
6546860.7992961