13487988 (number)

13487988 is an even 8-digits composite number following 13487987 and preceding 13487989. In scientific notation, it is written as 1.3487988 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 4495992 positive integers (up to 13487988) that are relatively prime to 13487988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.3487988 × 10^7
Engineering notation 1.3487988 × 10^6

Prime Factorization of 13487988

Prime Factorization 2 × 2 × 3 × 1123999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6743994
Product of the distinct prime numbers

The prime factorization of 13487988 is 2 × 2 × 3 × 1123999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 42, 10, 559, 85, 9574, 9123, 52591, 61660, 271423, 359535, 1969487, 7618270, 93872522, 4812412, 961448584, 680705641, 1983206952, 535652404

Basic calculations (n = 13487988)

Multiplication

n×y
n×2 26975976
n×3 40463964
n×4 53951952
n×5 67439940

Division

n÷y
n÷2 6743994
n÷3 4495996
n÷3 3371997
n÷5 2697597.6

Exponentiation

ny
n2 181925820288144
n3 2.4538132809366E+21
n4 3.3097004087514E+28
n5 4.4641199396834E+35

Nth Root

y√n
2√n 3672.5996242444
3√n 238.03951512997
4√n 60.601977065475
5√n 26.667937841042

Divisors of 13487988

1, 2, 3, 4, 6, 12, 1123999, 2247998, 3371997, 4495996, 6743994, 13487988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13487987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13487988 can be divided by 12 positive divisors. The sum of these divisors (counting 13487988) is 1, the average is 0.083333333333333.

Base conversion 13487988

Base System Value
2 Binary 110011011100111101110100
3 Ternary 221101021001010
4 Quaternary 303130331310
5 Quinary 11423103423
6 Senary 1201032220
8 Octal 63347564
10 Decimal 13487988
12 Duodecimal 4625670
16 Hexadecimal cdcf74
20 Vigesimal 445jj8
36 Base36 813ec

Cryptographic Hash Functions

md5 34029ab63928a629b6d7b337bc7fbefa
sha1 4fa763c096b085365586130c51d88bf0d5944f1a
sha256 ea195e7730cd26dc3b1801f69b90fe85d718a1e8932676ffa23b28b570e3966f
sha512 14cf7255b653ea32ff734a145dc414d22a898e579d595607d7b373b97b6b7aacde3e8b92a3c1a1551d23cd693df4a0125a0866959e8771551be208d7f3691641
ripemd-160 aa2c0dc2688f00214cad855168025bc9c387fb02

13487988 as geometric shapes

Circle

Radius = n
Diameter 26975976
Circumference 84747528.025015
Area 5.7153682051553E+14

Sphere

Radius = n
Volume 1.0278509035562E+22
Surface area 2.2861472820621E+15
Circumference 84747528.025015

Square

Length = n
Perimeter 53951952
Area 181925820288144
Diagonal 19074895.558726

Cube

Length = n
Surface area 1091554921728864
Volume 2.4538132809366E+21
Space diagonal 23361880.507879

Equilateral Triangle

Length = n
Perimeter 40463964
Area 78776190986928
Altitude 11680940.25394

Triangular Pyramid

Length = n
Surface area 78776190986928
Volume 2.8918466845265E+20
Height 6358298.5195752