12821887 (number)

12821887 is an odd 8-digits composite number following 12821886 and preceding 12821888. In scientific notation, it is written as 1.2821887 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 11743680 positive integers (up to 12821887) that are relatively prime to 12821887.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand eight hundred eighty-seven

Notation

Scientific notation 1.2821887 × 10^7
Engineering notation 1.2821887 × 10^6

Prime Factorization of 12821887

Prime Factorization 13 × 131 × 7529

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821887
Product of the distinct prime numbers

The prime factorization of 12821887 is 13 × 131 × 7529. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821887)

Multiplication

n×y
n×2 25643774
n×3 38465661
n×4 51287548
n×5 64109435

Division

n÷y
n÷2 6410943.5
n÷3 4273962.3333333
n÷3 3205471.75
n÷5 2564377.4

Exponentiation

ny
n2 164400786240769
n3 2.1079283038903E+21
n4 2.7027618516583E+28
n5 3.4654507049874E+35

Nth Root

y√n
2√n 3580.7662587776
3√n 234.05467225217
4√n 59.839504165539
5√n 26.399177070714

Divisors of 12821887

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 -12821886
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 12821887 can be divided by 8 positive divisors. The sum of these divisors (counting 12821887) is 1, the average is 0.125.

Base conversion 12821887

Base System Value
2 Binary 110000111010010101111111
3 Ternary 220010102022201
4 Quaternary 300322111333
5 Quinary 11240300022
6 Senary 1134452331
8 Octal 60722577
10 Decimal 12821887
12 Duodecimal 43640a7
16 Hexadecimal c3a57f
20 Vigesimal 402ee7
36 Base36 7mtfj

Cryptographic Hash Functions

md5 25249ab621b4d8b52c81c3823f786ff2
sha1 e6a5177d4c8e2ae33e54820218189ec5a61461db
sha256 9390a03fda687a56f6b5acde23a879d3092e408fab0eee67145ef3d98d9e16d7
sha512 e3e01190bd7a3e2ff444452012734437846da1c13fb0a43dd8376ea06765b53ee994a6a4da95e8f7ea5fe82238b71a4c8aa61a2141f811924f14d9ccbcd05f90
ripemd-160 9eabb1490db8d3ba75c4133054494acc774fea06

12821887 as geometric shapes

Circle

Radius = n
Diameter 25643774
Circumference 80562292.008717
Area 5.1648030229839E+14

Sphere

Radius = n
Volume 8.8296694317277E+21
Surface area 2.0659212091935E+15
Circumference 80562292.008717

Square

Length = n
Perimeter 51287548
Area 164400786240769
Diagonal 18132886.490615

Cube

Length = n
Surface area 986404717444614
Volume 2.1079283038903E+21
Space diagonal 22208159.732907

Equilateral Triangle

Length = n
Perimeter 38465661
Area 71187628643321
Altitude 11104079.866453

Triangular Pyramid

Length = n
Surface area 71187628643321
Volume 2.4842173298931E+20
Height 6044295.4968718