11387988 is an even 8-digits composite number following 11387987
and preceding 11387989 . In scientific notation, it is written as 1.1387988 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 3766656 positive integers (up to 11387988) that are relatively prime to 11387988.
11387988 has 24 divisors, whose sum is 22314600
The reverse of 11387988 is 88978311
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eleven million three hundred eighty-seven thousand nine hundred eighty-eight
Scientific notation
1.1387988 × 10^7
Engineering notation
1.1387988 × 10^6
Prime Factorization
2 × 2 × 9 × 137 × 2309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5693994
Product of the distinct prime numbers
The prime factorization of 11387988 is 2 × 2 × 9 × 137 × 2309.
Since it has a total of 5 prime factors.
5 , 2 , 68 , 23 , 917 , 548 , 2295 , 3467 , 82679 , 31311 , 163889 , 425938 , 8421663 , 6956683 , 85687235 , 3576101 , 622558706 , 944041266 , 3857706800 , 3950941112
n×2
22775976
n×3
34163964
n×4
45551952
n×5
56939940
n÷2
5693994
n÷3
3795996
n÷3
2846997
n÷5
2277597.6
n2
129686270688144
n3
1.4768656943613E+21
n4
1.6818528804999E+28
n5
1.9152920420898E+35
2 √n
3374.6093107203
3 √n
224.98263569699
4 √n
58.091387577853
5 √n
25.780385084323
1 , 2 , 4 , 9 , 18 , 36 , 137 , 274 , 548 , 1233 , 2309 , 2466 , 4618 , 4932 , 9236 , 20781 , 41562 , 83124 , 316333 , 632666 , 1265332 , 2846997 , 5693994 , 11387988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-11387987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 11387988 can be divided by 24 positive divisors.
The sum of these divisors (counting 11387988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011011100010001010100
3
Ternary
210102120101100
4
Quaternary
223130101110
5
Quinary
10403403423
6
Senary
1044030100
8
Octal
53342124
10
Decimal
11387988
12
Duodecimal
3992330
16
Hexadecimal
adc454
20
Vigesimal
3b39j8
36
Base36
6s310
md5
efebe61a71aab1056eddda623e3403c5
sha1
3a43a6b23cac308a86bb1b9b7b1f8885dd6952cf
sha256
4633989e2388edab04e6316f05dfb2e681fb5fef08342184c1090dca566e827b
sha512
259034cedc489d25c6960305b0cdcc347e0e6476285fac714029f0afdc6d06c2fbd688eac41e152342dd38b8cc676d1381d6747ca18cf8551cca7a70256013bc
ripemd-160
4f34d75cc64e8401cf08b2fc1afed1b66a2e76c5
Diameter
22775976
Circumference
71552838.879937
Area
4.0742143526533E+14
Volume
6.1862805543258E+21
Surface area
1.6296857410613E+15
Circumference
71552838.879937
Perimeter
45551952
Area
129686270688144
Diagonal
16105047.077742
Surface area
778117624128864
Volume
1.4768656943613E+21
Space diagonal
19724573.811985
Perimeter
34163964
Area
56155802468999
Altitude
9862286.9059923
Surface area
56155802468999
Volume
1.7405029123078E+20
Height
5368349.025914