13887988 is an even 8-digits composite number following 13887987
and preceding 13887989 . In scientific notation, it is written as 1.3887988 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors.
There are 6943992 positive integers (up to 13887988) that are relatively prime to 13887988.
13887988 has 6 divisors, whose sum is 24303986
The reverse of 13887988 is 88978831
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-seven thousand nine hundred eighty-eight
Scientific notation
1.3887988 × 10^7
Engineering notation
1.3887988 × 10^6
Prime Factorization
2 × 2 × 3471997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6943994
Product of the distinct prime numbers
The prime factorization of 13887988 is 2 × 2 × 3471997.
Since it has a total of 3 prime factors.
2 , 3 , 70 , 72 , 679 , 353 , 9148 , 1550 , 36610 , 93831 , 530939 , 268811 , 4054243 , 2975900 , 46098863 , 49632182 , 722443249 , 876629052 , 2944639620 , 899657800
n×2
27775976
n×3
41663964
n×4
55551952
n×5
69439940
n÷2
6943994
n÷3
4629329.3333333
n÷3
3471997
n÷5
2777597.6
n2
192876210688144
n3
2.6786624995224E+21
n4
3.7201232649417E+28
n5
5.1665027262032E+35
2 √n
3726.6590936119
3 √n
240.36973104574
4 √n
61.046368390035
5 √n
26.824267200597
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13887987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13887988 can be divided by 6 positive divisors.
The sum of these divisors (counting 13887988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110100111110100111110100
3
Ternary
222010120201221
4
Quaternary
310332213310
5
Quinary
12023403423
6
Senary
1213400124
8
Octal
64764764
10
Decimal
13887988
12
Duodecimal
4799044
16
Hexadecimal
d3e9f4
20
Vigesimal
46fjj8
36
Base36
89o1g
md5
7e7d3ac52e9841377d5975f1aaf2eb12
sha1
daf2de4c956db0a339d357008e7fc38c041873a6
sha256
d7bc501091dc551726b3ee12aa2bf70d8d7927908a14112972638b778c4aa0f7
sha512
74b7ae1bf092b6910f51cc44efb7bb4f4b8a792dead4541c46122bd53490b7de917cbb447e0cc076de671a8b2bc5aeb2c4d9dd9dee8c7925aecc3a7b122b4291
ripemd-160
20c842c31b432815e010171fea523da318ab185f
Diameter
27775976
Circumference
87260802.147886
Area
6.0593848655011E+14
Volume
1.1220355239928E+22
Surface area
2.4237539462004E+15
Circumference
87260802.147886
Perimeter
55551952
Area
192876210688144
Diagonal
19640580.983675
Surface area
1157257264128864
Volume
2.6786624995224E+21
Space diagonal
24054700.830907
Perimeter
41663964
Area
83517849120806
Altitude
12027350.415453
Surface area
83517849120806
Volume
3.1568340298707E+20
Height
6546860.3278916