16257987 (number)

16257987 is an odd 8-digits composite number following 16257986 and preceding 16257988. In scientific notation, it is written as 1.6257987 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 10367280 positive integers (up to 16257987) that are relatively prime to 16257987.

Interesting facts

Basic properties

Name

Name sixteen million two hundred fifty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 1.6257987 × 10^7
Engineering notation 1.6257987 × 10^6

Prime Factorization of 16257987

Prime Factorization 3 × 3 × 23 × 78541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5419329
Product of the distinct prime numbers

The prime factorization of 16257987 is 3 × 3 × 23 × 78541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 70, 85, 84, 428, 3505, 1693, 50044, 49336, 94031, 9757, 3164732, 8300660, 14307115, 47620935, 982364085, 929774226, 6206433663, 342832892

Basic calculations (n = 16257987)

Multiplication

n×y
n×2 32515974
n×3 48773961
n×4 65031948
n×5 81289935

Division

n÷y
n÷2 8128993.5
n÷3 5419329
n÷3 4064496.75
n÷5 3251597.4

Exponentiation

ny
n2 264322141292169
n3 4.2973459369402E+21
n4 6.9866194377277E+28
n5 1.1358836799252E+36

Nth Root

y√n
2√n 4032.1194178744
3√n 253.33134212809
4√n 63.498971785962
5√n 27.683012854795

Divisors of 16257987

1, 3, 9, 23, 69, 207, 78541, 235623, 706869, 1806443, 5419329, 16257987

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 -16257986
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 16257987 can be divided by 12 positive divisors. The sum of these divisors (counting 16257987) is 1, the average is 0.083333333333333.

Base conversion 16257987

Base System Value
2 Binary 111110000001001111000011
3 Ternary 1010120222202200
4 Quaternary 332001033003
5 Quinary 13130223422
6 Senary 1340244243
8 Octal 76011703
10 Decimal 16257987
12 Duodecimal 5540683
16 Hexadecimal f813c3
20 Vigesimal 51c4j7
36 Base36 9ogqr

Cryptographic Hash Functions

md5 76488377f3f2338cf8f11b8ad4204b78
sha1 858f48fb44238ecfbc34ebdc82388f038ff35ca5
sha256 912807a50209da00471283ccb50035e0414346dc4ebe84f8ff143dbaea0e7fe3
sha512 978f2f6825f4eca6f36fcd02640fd9ea5ef95d90282bdc4b4076667778f3b7e7aee4dce94c046900ce1b384f7466d11cc4bdacb2009d5f3371bb119d2615f081
ripemd-160 db3f48b02f28844668a149dd46f7256d59754314

16257987 as geometric shapes

Circle

Radius = n
Diameter 32515974
Circumference 102151945.04272
Area 8.303924972646E+14

Sphere

Radius = n
Volume 1.8000680567234E+22
Surface area 3.3215699890584E+15
Circumference 102151945.04272

Square

Length = n
Perimeter 65031948
Area 264322141292169
Diagonal 22992265.712285

Cube

Length = n
Surface area 1585932847753014
Volume 4.2973459369402E+21
Space diagonal 28159659.512794

Equilateral Triangle

Length = n
Perimeter 48773961
Area 1.1445484457086E+14
Altitude 14079829.756397

Triangular Pyramid

Length = n
Surface area 1.1445484457086E+14
Volume 5.0644707551915E+20
Height 7664088.5707618