21231261 (number)

21231261 is an odd 8-digits composite number following 21231260 and preceding 21231262. In scientific notation, it is written as 2.1231261 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 14019984 positive integers (up to 21231261) that are relatively prime to 21231261.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred sixty-one

Notation

Scientific notation 2.1231261 × 10^7
Engineering notation 2.1231261 × 10^6

Prime Factorization of 21231261

Prime Factorization 9 × 3 × 107 × 7349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21231261
Product of the distinct prime numbers

The prime factorization of 21231261 is 9 × 3 × 107 × 7349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 83, 38, 508, 883, 6564, 9164, 88983, 66384, 219919, 600491, 7221655, 7601033, 84664632, 45732571, 877774084, 646858804, 3026722019, 9191051575

Basic calculations (n = 21231261)

Multiplication

n×y
n×2 42462522
n×3 63693783
n×4 84925044
n×5 106156305

Division

n÷y
n÷2 10615630.5
n÷3 7077087
n÷3 5307815.25
n÷5 4246252.2

Exponentiation

ny
n2 450766443650121
n3 9.5703400151775E+21
n4 2.0319038672098E+29
n5 4.313988133164E+36

Nth Root

y√n
2√n 4607.7392504351
3√n 276.90147112417
4√n 67.880330364805
5√n 29.200827438247

Divisors of 21231261

1, 3, 9, 27, 107, 321, 963, 2889, 7349, 22047, 66141, 198423, 786343, 2359029, 7077087, 21231261

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 -21231260
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 21231261 can be divided by 16 positive divisors. The sum of these divisors (counting 21231261) is 1, the average is 0.0625.

Base conversion 21231261

Base System Value
2 Binary 1010000111111011010011101
3 Ternary 1110221122211000
4 Quaternary 1100333122131
5 Quinary 20413400021
6 Senary 2035020513
8 Octal 120773235
10 Decimal 21231261
12 Duodecimal 713a739
16 Hexadecimal 143f69d
20 Vigesimal 6cdi31
36 Base36 cn259

Cryptographic Hash Functions

md5 49cd2a457c48455604d52ace291e6f62
sha1 66f5b6f502ffd56dce1a4615b3c5900b82ce11e1
sha256 6bdd1d1823115c6c695a0d8aea19d6ef95e8b305ffb27785077fb41049a1ca1f
sha512 dec0ce744e929a7e40550c32a6d8eaf9d5c3ed92914a5cacc6b719ae2be205de7a052cfe74d18587a532ea7181b7420f8d9c9be9b8de40c9c230bf3ae230be4c
ripemd-160 98bf9b6073978b31bb82f16e5077472f48000667

21231261 as geometric shapes

Circle

Radius = n
Diameter 42462522
Circumference 133399947.16809
Area 1.416124547856E+15

Sphere

Radius = n
Volume 4.0088146512051E+22
Surface area 5.6644981914241E+15
Circumference 133399947.16809

Square

Length = n
Perimeter 84925044
Area 450766443650121
Diagonal 30025537.252483

Cube

Length = n
Surface area 2704598661900726
Volume 9.5703400151775E+21
Space diagonal 36773622.760756

Equilateral Triangle

Length = n
Perimeter 63693783
Area 1.9518759568729E+14
Altitude 18386811.380378

Triangular Pyramid

Length = n
Surface area 1.9518759568729E+14
Volume 1.1278753871655E+21
Height 10008512.417494