13887921 (number)

13887921 is an odd 8-digits composite number following 13887920 and preceding 13887922. In scientific notation, it is written as 1.3887921 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 9204752 positive integers (up to 13887921) that are relatively prime to 13887921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.3887921 × 10^7
Engineering notation 1.3887921 × 10^6

Prime Factorization of 13887921

Prime Factorization 3 × 173 × 26759

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13887921
Product of the distinct prime numbers

The prime factorization of 13887921 is 3 × 173 × 26759. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13887921)

Multiplication

n×y
n×2 27775842
n×3 41663763
n×4 55551684
n×5 69439605

Division

n÷y
n÷2 6943960.5
n÷3 4629307
n÷3 3471980.25
n÷5 2777584.2

Exponentiation

ny
n2 192874349702241
n3 2.6786237315911E+21
n4 3.7200514773062E+28
n5 5.1663781032762E+35

Nth Root

y√n
2√n 3726.6501043162
3√n 240.36934450552
4√n 61.046294763206
5√n 26.824241318815

Divisors of 13887921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13887920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13887921 can be divided by 8 positive divisors. The sum of these divisors (counting 13887921) is 1, the average is 0.125.

Base conversion 13887921

Base System Value
2 Binary 110100111110100110110001
3 Ternary 222010120122110
4 Quaternary 310332212301
5 Quinary 12023403141
6 Senary 1213355533
8 Octal 64764661
10 Decimal 13887921
12 Duodecimal 4798ba9
16 Hexadecimal d3e9b1
20 Vigesimal 46fjg1
36 Base36 89nzl

Cryptographic Hash Functions

md5 0aa6062ecf8a9a37faf3ee0cafe8153b
sha1 d1d22ed36490cc08d1fd23f085c43a70f35b51e1
sha256 14b571d619b1835e1f2327bd8adb7f631fd1b2c74a7b36c40486db3922feb37b
sha512 f12a42914a9921d6145e44290c31fc088844e8928e16525d859b569f936e86e24e32475dce55ae1fdb804fdec21f701504656fff595801574249cca6c1981d29
ripemd-160 1572f098cadc920d431ea8cb68e0c5da39d0a34c

13887921 as geometric shapes

Circle

Radius = n
Diameter 27775842
Circumference 87260381.174471
Area 6.0593264009047E+14

Sphere

Radius = n
Volume 1.1220192849197E+22
Surface area 2.4237305603619E+15
Circumference 87260381.174471

Square

Length = n
Perimeter 55551684
Area 192874349702241
Diagonal 19640486.231366

Cube

Length = n
Surface area 1157246098213446
Volume 2.6786237315911E+21
Space diagonal 24054584.783503

Equilateral Triangle

Length = n
Perimeter 41663763
Area 83517043290272
Altitude 12027292.391751

Triangular Pyramid

Length = n
Surface area 83517043290272
Volume 3.1567883414255E+20
Height 6546828.7437887