12921487 (number)

12921487 is an odd 8-digits composite number following 12921486 and preceding 12921488. In scientific notation, it is written as 1.2921487 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 12885136 positive integers (up to 12921487) that are relatively prime to 12921487.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty-one thousand four hundred eighty-seven

Notation

Scientific notation 1.2921487 × 10^7
Engineering notation 1.2921487 × 10^6

Prime Factorization of 12921487

Prime Factorization 359 × 35993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12921487
Product of the distinct prime numbers

The prime factorization of 12921487 is 359 × 35993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12921487)

Multiplication

n×y
n×2 25842974
n×3 38764461
n×4 51685948
n×5 64607435

Division

n÷y
n÷2 6460743.5
n÷3 4307162.3333333
n÷3 3230371.75
n÷5 2584297.4

Exponentiation

ny
n2 166964826291169
n3 2.1574338323786E+21
n4 2.787725321844E+28
n5 3.6021556505778E+35

Nth Root

y√n
2√n 3594.6469924041
3√n 234.65915276855
4√n 59.955375008452
5√n 26.440063813852

Divisors of 12921487

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12921486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12921487 can be divided by 4 positive divisors. The sum of these divisors (counting 12921487) is 1, the average is 0.25.

Base conversion 12921487

Base System Value
2 Binary 110001010010101010001111
3 Ternary 220022110221121
4 Quaternary 301102222033
5 Quinary 11301441422
6 Senary 1140541411
8 Octal 61225217
10 Decimal 12921487
12 Duodecimal 43b1867
16 Hexadecimal c52a8f
20 Vigesimal 40f3e7
36 Base36 7oya7

Cryptographic Hash Functions

md5 0849e7ca20365c80b3cd181b0da3dffb
sha1 596c6024348502c30e69ff6eb38bb179653b881f
sha256 d5421366fd74e52257703d6314aac1a273e029deb499df304f1cc5095555d179
sha512 1c35df97199e24314e514b37b43b7907c7603c1adfba0f6cfaa4869293881576bf3c084be4f69d45030e57954bada814278776ab9153237f62c7d45a205bf6a8
ripemd-160 3c37d483939742a5248e6837109e8ce1cd0ec564

12921487 as geometric shapes

Circle

Radius = n
Diameter 25842974
Circumference 81188097.265312
Area 5.2453547168423E+14

Sphere

Radius = n
Volume 9.0370377045422E+21
Surface area 2.0981418867369E+15
Circumference 81188097.265312

Square

Length = n
Perimeter 51685948
Area 166964826291169
Diagonal 18273742.161428

Cube

Length = n
Surface area 1001788957747014
Volume 2.1574338323786E+21
Space diagonal 22380671.993341

Equilateral Triangle

Length = n
Perimeter 38764461
Area 72297890553304
Altitude 11190335.99667

Triangular Pyramid

Length = n
Surface area 72297890553304
Volume 2.542560154727E+20
Height 6091247.3871425