12821890 (number)

12821890 is an even 8-digits composite number following 12821889 and preceding 12821891. In scientific notation, it is written as 1.2821890 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 5056240 positive integers (up to 12821890) that are relatively prime to 12821890.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand eight hundred ninety

Notation

Scientific notation 1.2821890 × 10^7
Engineering notation 1.2821890 × 10^6

Prime Factorization of 12821890

Prime Factorization 2 × 5 × 71 × 18059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12821890
Product of the distinct prime numbers

The prime factorization of 12821890 is 2 × 5 × 71 × 18059. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 72, 68, 637, 323, 2824, 8117, 69711, 12182, 101532, 48119, 51215, 8222049, 36237181, 26443933, 579364000, 688815815, 1801422664, 3895911821

Basic calculations (n = 12821890)

Multiplication

n×y
n×2 25643780
n×3 38465670
n×4 51287560
n×5 64109450

Division

n÷y
n÷2 6410945
n÷3 4273963.3333333
n÷3 3205472.5
n÷5 2564378

Exponentiation

ny
n2 164400863172100
n3 2.1079297834977E+21
n4 2.7027643811732E+28
n5 3.465454759132E+35

Nth Root

y√n
2√n 3580.7666776823
3√n 234.05469050648
4√n 59.839507665775
5√n 26.399178306063

Divisors of 12821890

1, 2, 5, 10, 71, 142, 355, 710, 18059, 36118, 90295, 180590, 1282189, 2564378, 6410945, 12821890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12821889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821890 can be divided by 16 positive divisors. The sum of these divisors (counting 12821890) is 1, the average is 0.0625.

Base conversion 12821890

Base System Value
2 Binary 110000111010010110000010
3 Ternary 220010102022211
4 Quaternary 300322112002
5 Quinary 11240300030
6 Senary 1134452334
8 Octal 60722602
10 Decimal 12821890
12 Duodecimal 43640aa
16 Hexadecimal c3a582
20 Vigesimal 402eea
36 Base36 7mtfm

Cryptographic Hash Functions

md5 a40de84745b67518e4bf3a9780ed23d7
sha1 7948257ce894f053101f0a86984e75dd51e4c511
sha256 3fe3f6b38fae56808e6f8d5af03a93104b1e7f8320cbc7b30d667bc72551d215
sha512 354a63152ca6b1fc362bb89b24ceaff634a3f52b71be7d5b3fa33ea21a21cf0b312c29267f1c99e7628dc64d3fe0ac5478f065bba92f6a61204b4147d65aa389
ripemd-160 f884590a7070b71092605ea0dabc6174c0cef88b

12821890 as geometric shapes

Circle

Radius = n
Diameter 25643780
Circumference 80562310.858273
Area 5.1648054398529E+14

Sphere

Radius = n
Volume 8.8296756294927E+21
Surface area 2.0659221759412E+15
Circumference 80562310.858273

Square

Length = n
Perimeter 51287560
Area 164400863172100
Diagonal 18132890.733256

Cube

Length = n
Surface area 986405179032600
Volume 2.1079297834977E+21
Space diagonal 22208164.929059

Equilateral Triangle

Length = n
Perimeter 38465670
Area 71187661955564
Altitude 11104082.46453

Triangular Pyramid

Length = n
Surface area 71187661955564
Volume 2.4842190736272E+20
Height 6044296.9110853