13887988 (number)

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.

Interesting facts

Basic properties

Name

Name thirteen million eight hundred eighty-seven thousand nine hundred eighty-eight

Notation

Scientific notation 1.3887988 × 10^7
Engineering notation 1.3887988 × 10^6

Prime Factorization of 13887988

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.

Most popular turbo-numbers

Basic calculations (n = 13887988)

Multiplication

n×y
n×2 27775976
n×3 41663964
n×4 55551952
n×5 69439940

Division

n÷y
n÷2 6943994
n÷3 4629329.3333333
n÷3 3471997
n÷5 2777597.6

Exponentiation

ny
n2 192876210688144
n3 2.6786624995224E+21
n4 3.7201232649417E+28
n5 5.1665027262032E+35

Nth Root

y√n
2√n 3726.6590936119
3√n 240.36973104574
4√n 61.046368390035
5√n 26.824267200597

Divisors of 13887988

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 conversion 13887988

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

Cryptographic Hash Functions

md5 7e7d3ac52e9841377d5975f1aaf2eb12
sha1 daf2de4c956db0a339d357008e7fc38c041873a6
sha256 d7bc501091dc551726b3ee12aa2bf70d8d7927908a14112972638b778c4aa0f7
sha512 74b7ae1bf092b6910f51cc44efb7bb4f4b8a792dead4541c46122bd53490b7de917cbb447e0cc076de671a8b2bc5aeb2c4d9dd9dee8c7925aecc3a7b122b4291
ripemd-160 20c842c31b432815e010171fea523da318ab185f

13887988 as geometric shapes

Circle

Radius = n
Diameter 27775976
Circumference 87260802.147886
Area 6.0593848655011E+14

Sphere

Radius = n
Volume 1.1220355239928E+22
Surface area 2.4237539462004E+15
Circumference 87260802.147886

Square

Length = n
Perimeter 55551952
Area 192876210688144
Diagonal 19640580.983675

Cube

Length = n
Surface area 1157257264128864
Volume 2.6786624995224E+21
Space diagonal 24054700.830907

Equilateral Triangle

Length = n
Perimeter 41663964
Area 83517849120806
Altitude 12027350.415453

Triangular Pyramid

Length = n
Surface area 83517849120806
Volume 3.1568340298707E+20
Height 6546860.3278916