21291275 (number)

21291275 is an odd 8-digits composite number following 21291274 and preceding 21291276. In scientific notation, it is written as 2.1291275 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 16954080 positive integers (up to 21291275) that are relatively prime to 21291275.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred seventy-five

Notation

Scientific notation 2.1291275 × 10^7
Engineering notation 2.1291275 × 10^6

Prime Factorization of 21291275

Prime Factorization 5 × 5 × 229 × 3719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4258255
Product of the distinct prime numbers

The prime factorization of 21291275 is 5 × 5 × 229 × 3719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291275)

Multiplication

n×y
n×2 42582550
n×3 63873825
n×4 85165100
n×5 106456375

Division

n÷y
n÷2 10645637.5
n÷3 7097091.6666667
n÷3 5322818.75
n÷5 4258255

Exponentiation

ny
n2 453318391125625
n3 9.6517265280132E+21
n4 2.0549756373273E+29
n5 4.3753051412635E+36

Nth Root

y√n
2√n 4614.2469591473
3√n 277.16212971209
4√n 67.92824860945
5√n 29.217317088631

Divisors of 21291275

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291274
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291275 can be divided by 12 positive divisors. The sum of these divisors (counting 21291275) is 1, the average is 0.083333333333333.

Base conversion 21291275

Base System Value
2 Binary 1010001001110000100001011
3 Ternary 1111001201010202
4 Quaternary 1101032010023
5 Quinary 20422310100
6 Senary 2040202415
8 Octal 121160413
10 Decimal 21291275
12 Duodecimal 716940b
16 Hexadecimal 144e10b
20 Vigesimal 6d183f
36 Base36 cocgb

Cryptographic Hash Functions

md5 69790abbf2d25a2494ddab148e5c4cc5
sha1 d356b89673dee28e9659bb63549e063275c4ea50
sha256 fb3396d903aeb5cc70e4ccdda4da13afeeece74c5b7c0a8cfdfd74ffcc51667b
sha512 3c97c5a43a22c018a19a3cef71e06ee76b65b06d6f2f0eba5ba9cdc717b5be1d0112a37a74bced7c5947946d97893aebfc4d5308f5ec7b3d649ca9c2f3d5bfe9
ripemd-160 315dbaa8c7d6d5c22453540e4ba09ee3ed1b43b8

21291275 as geometric shapes

Circle

Radius = n
Diameter 42582550
Circumference 133777026.25112
Area 1.4241417272974E+15

Sphere

Radius = n
Volume 4.0429057539819E+22
Surface area 5.6965669091896E+15
Circumference 133777026.25112

Square

Length = n
Perimeter 85165100
Area 453318391125625
Diagonal 30110409.865215

Cube

Length = n
Surface area 2719910346753750
Volume 9.6517265280132E+21
Space diagonal 36877570.057921

Equilateral Triangle

Length = n
Perimeter 63873825
Area 1.9629262135874E+14
Altitude 18438785.028961

Triangular Pyramid

Length = n
Surface area 1.9629262135874E+14
Volume 1.137466879686E+21
Height 10036803.288405