12921855 (number)

12921855 is an odd 8-digits composite number following 12921854 and preceding 12921856. In scientific notation, it is written as 1.2921855 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6675456 positive integers (up to 12921855) that are relatively prime to 12921855.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty-one thousand eight hundred fifty-five

Notation

Scientific notation 1.2921855 × 10^7
Engineering notation 1.2921855 × 10^6

Prime Factorization of 12921855

Prime Factorization 15 × 97 × 83 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12921855
Product of the distinct prime numbers

The prime factorization of 12921855 is 15 × 97 × 83 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 67, 84, 162, 449, 9751, 5153, 12044, 53283, 591337, 228026, 6307053, 7564990, 68988473, 16065568, 815613602, 444405007, 922515004, 974560226

Basic calculations (n = 12921855)

Multiplication

n×y
n×2 25843710
n×3 38765565
n×4 51687420
n×5 64609275

Division

n÷y
n÷2 6460927.5
n÷3 4307285
n÷3 3230463.75
n÷5 2584371

Exponentiation

ny
n2 166974336641025
n3 2.1576181667965E+21
n4 2.788042909671E+28
n5 3.6026686212547E+35

Nth Root

y√n
2√n 3594.6981792635
3√n 234.66138042105
4√n 59.955801881582
5√n 26.440214413123

Divisors of 12921855

1, 15, 83, 97, 107, 1245, 1455, 1605, 8051, 8881, 10379, 120765, 133215, 155685, 861457, 12921855

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 -12921854
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 12921855 can be divided by 16 positive divisors. The sum of these divisors (counting 12921855) is 1, the average is 0.0625.

Base conversion 12921855

Base System Value
2 Binary 110001010010101111111111
3 Ternary 220022111110020
4 Quaternary 301102233333
5 Quinary 11301444410
6 Senary 1140543223
8 Octal 61225777
10 Decimal 12921855
12 Duodecimal 43b1b13
16 Hexadecimal c52bff
20 Vigesimal 40f4cf
36 Base36 7oykf

Cryptographic Hash Functions

md5 c7e1d8b0fdd75a90bfda1ad442fe776f
sha1 04ec1bcccf07ff7b5d5185250ca22e1079268f0f
sha256 3859daf6e8be04684dff22fe6992b66549c9d0e9a7ffa30e6dff56340f5bce17
sha512 ad97fc0f8b0be48970b2b75d880d4585f302ff9f52599172588064636ab3ea9c331f3458fb999b24a7e909b130f0218366a6af239089ecfde2710d3c193c4380
ripemd-160 fe582801840a716e44d4010f059bfa3c157879a7

12921855 as geometric shapes

Circle

Radius = n
Diameter 25843710
Circumference 81190409.477505
Area 5.2456534932947E+14

Sphere

Radius = n
Volume 9.0378098427464E+21
Surface area 2.0982613973179E+15
Circumference 81190409.477505

Square

Length = n
Perimeter 51687420
Area 166974336641025
Diagonal 18274262.592019

Cube

Length = n
Surface area 1001846019846150
Volume 2.1576181667965E+21
Space diagonal 22381309.388038

Equilateral Triangle

Length = n
Perimeter 38765565
Area 72302008655591
Altitude 11190654.694019

Triangular Pyramid

Length = n
Surface area 72302008655591
Volume 2.5427773949218E+20
Height 6091420.8640062