12821638 (number)

12821638 is an even 8-digits composite number following 12821637 and preceding 12821639. In scientific notation, it is written as 1.2821638 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 5988096 positive integers (up to 12821638) that are relatively prime to 12821638.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand six hundred thirty-eight

Notation

Scientific notation 1.2821638 × 10^7
Engineering notation 1.2821638 × 10^6

Prime Factorization of 12821638

Prime Factorization 2 × 17 × 139 × 2713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12821638
Product of the distinct prime numbers

The prime factorization of 12821638 is 2 × 17 × 139 × 2713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821638)

Multiplication

n×y
n×2 25643276
n×3 38464914
n×4 51286552
n×5 64108190

Division

n÷y
n÷2 6410819
n÷3 4273879.3333333
n÷3 3205409.5
n÷5 2564327.6

Exponentiation

ny
n2 164394401003044
n3 2.1078054988879E+21
n4 2.702551908115E+28
n5 3.4651142242059E+35

Nth Root

y√n
2√n 3580.7314895144
3√n 234.05315713481
4√n 59.839213643851
5√n 26.399074535944

Divisors of 12821638

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 -12821637
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 12821638 can be divided by 16 positive divisors. The sum of these divisors (counting 12821638) is 1, the average is 0.0625.

Base conversion 12821638

Base System Value
2 Binary 110000111010010010000110
3 Ternary 220010101222111
4 Quaternary 300322102012
5 Quinary 11240243023
6 Senary 1134451234
8 Octal 60722206
10 Decimal 12821638
12 Duodecimal 4363b1a
16 Hexadecimal c3a486
20 Vigesimal 402e1i
36 Base36 7mt8m

Cryptographic Hash Functions

md5 916cabcf063eac0363b79a9e4b5e6629
sha1 bc8eaa83469498ec8c42c41acaa5e52542ff934b
sha256 e8cff9039034eb3a845feff4946ecd55b3e307c2d141585e0c370bfc169b2cf4
sha512 d04857bfba2de1f7aca4e190ef6f879ec645cbe9abbc5cebab3d2738b826f14d8672e24eb198937945aa3a3993ef20d06ae5cf716c27f33427a68978bfd5f4b4
ripemd-160 3519ad303395bcdfea1d260446b8d08a6af17678

12821638 as geometric shapes

Circle

Radius = n
Diameter 25643276
Circumference 80560727.495575
Area 5.1646024248246E+14

Sphere

Radius = n
Volume 8.8291550273364E+21
Surface area 2.0658409699298E+15
Circumference 80560727.495575

Square

Length = n
Perimeter 51286552
Area 164394401003044
Diagonal 18132534.351438

Cube

Length = n
Surface area 986366406018264
Volume 2.1078054988879E+21
Space diagonal 22207728.452256

Equilateral Triangle

Length = n
Perimeter 38464914
Area 71184863754281
Altitude 11103864.226128

Triangular Pyramid

Length = n
Surface area 71184863754281
Volume 2.4840726028098E+20
Height 6044178.1171461