21291235 (number)

21291235 is an odd 8-digits composite number following 21291234 and preceding 21291236. In scientific notation, it is written as 2.1291235 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 36 positive divisors. There are 13956768 positive integers (up to 21291235) that are relatively prime to 21291235.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291235 × 10^7
Engineering notation 2.1291235 × 10^6

Prime Factorization of 21291235

Prime Factorization 5 × 7 × 7 × 47 × 43 × 43

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 70735
Product of the distinct prime numbers

The prime factorization of 21291235 is 5 × 7 × 7 × 47 × 43 × 43. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 2, 79, 84, 416, 177, 1838, 662, 38825, 21795, 471611, 452154, 4124654, 4531727, 46717045, 6478692, 483313957, 152573103, 4897455509, 1496894233

Basic calculations (n = 21291235)

Multiplication

n×y
n×2 42582470
n×3 63873705
n×4 85164940
n×5 106456175

Division

n÷y
n÷2 10645617.5
n÷3 7097078.3333333
n÷3 5322808.75
n÷5 4258247

Exponentiation

ny
n2 453316687825225
n3 9.6516721299085E+21
n4 2.0549601946083E+29
n5 4.3752640419052E+36

Nth Root

y√n
2√n 4614.2426247435
3√n 277.16195614346
4√n 67.928216705163
5√n 29.217306110485

Divisors of 21291235

1, 5, 7, 35, 43, 47, 49, 215, 235, 245, 301, 329, 1505, 1645, 1849, 2021, 2107, 2303, 9245, 10105, 10535, 11515, 12943, 14147, 64715, 70735, 86903, 90601, 99029, 434515, 453005, 495145, 608321, 3041605, 4258247, 21291235

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291234
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291235 can be divided by 36 positive divisors. The sum of these divisors (counting 21291235) is 1, the average is 0.027777777777778.

Base conversion 21291235

Base System Value
2 Binary 1010001001110000011100011
3 Ternary 1111001201002021
4 Quaternary 1101032003203
5 Quinary 20422304420
6 Senary 2040202311
8 Octal 121160343
10 Decimal 21291235
12 Duodecimal 7169397
16 Hexadecimal 144e0e3
20 Vigesimal 6d181f
36 Base36 cocf7

Cryptographic Hash Functions

md5 ab5a0e250cc304fe1b8ec5959424ac35
sha1 4ee412f70950809981ab6b1e149aefe95f50673b
sha256 a0b857e51ac7720b0fc8cb5c8d2a13855d045d736cc7703f39f9b85a25ed5a7f
sha512 f155d1fefe8ec6b973a3cd51ba76ad7fde73c98b9937e27d55560adbf733ff5487bdccef9729fe153f7935e97fa7d92b0e9357423cac75c363cbe7e1a9ac9392
ripemd-160 24c12ef69a512ae5aee3ce91a5a12b1a928b0a46

21291235 as geometric shapes

Circle

Radius = n
Diameter 42582470
Circumference 133776774.92371
Area 1.4241363762214E+15

Sphere

Radius = n
Volume 4.0428829677571E+22
Surface area 5.6965455048855E+15
Circumference 133776774.92371

Square

Length = n
Perimeter 85164940
Area 453316687825225
Diagonal 30110353.296673

Cube

Length = n
Surface area 2719900126951350
Volume 9.6516721299085E+21
Space diagonal 36877500.775889

Equilateral Triangle

Length = n
Perimeter 63873705
Area 1.9629188380803E+14
Altitude 18438750.387944

Triangular Pyramid

Length = n
Surface area 1.9629188380803E+14
Volume 1.1374604688079E+21
Height 10036784.432224