21231495 (number)

21231495 is an odd 8-digits composite number following 21231494 and preceding 21231496. In scientific notation, it is written as 2.1231495 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11275200 positive integers (up to 21231495) that are relatively prime to 21231495.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1231495 × 10^7
Engineering notation 2.1231495 × 10^6

Prime Factorization of 21231495

Prime Factorization 9 × 5 × 271 × 1741

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21231495
Product of the distinct prime numbers

The prime factorization of 21231495 is 9 × 5 × 271 × 1741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 88, 70, 904, 142, 2374, 7229, 62068, 29027, 555842, 671657, 9266331, 4963620, 31720246, 7520408, 577450138, 470159443, 5108502576, 4666429425

Basic calculations (n = 21231495)

Multiplication

n×y
n×2 42462990
n×3 63694485
n×4 84925980
n×5 106157475

Division

n÷y
n÷2 10615747.5
n÷3 7077165
n÷3 5307873.75
n÷5 4246299

Exponentiation

ny
n2 450776379935025
n3 9.5706564567086E+21
n4 2.0319934470733E+29
n5 4.3142258711569E+36

Nth Root

y√n
2√n 4607.764642427
3√n 276.90248840879
4√n 67.880517399523
5√n 29.200891805253

Divisors of 21231495

1, 5, 9, 45, 271, 1355, 1741, 2439, 8705, 12195, 15669, 78345, 471811, 2359055, 4246299, 21231495

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 -21231494
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 21231495 can be divided by 16 positive divisors. The sum of these divisors (counting 21231495) is 1, the average is 0.0625.

Base conversion 21231495

Base System Value
2 Binary 1010000111111011110000111
3 Ternary 1110221200010200
4 Quaternary 1100333132013
5 Quinary 20413401440
6 Senary 2035021543
8 Octal 120773607
10 Decimal 21231495
12 Duodecimal 713a8b3
16 Hexadecimal 143f787
20 Vigesimal 6cdief
36 Base36 cn2br

Cryptographic Hash Functions

md5 182267eff4bff54c7356f65494b7f548
sha1 ea639c05f69255b5f907daee8065d5c8ede6b410
sha256 87d54445b2087cdb5b6f16483d7745f0cddedf09ce14bd36952569e3e4699137
sha512 a1906684cd2910f818f742f2f18d68a0a4775778c24c9935773849fcbb63da54e1c4fed28831d6428cbc6a3e45c7510a25293259cf8d43dd5c71ce0b9750dc48
ripemd-160 76f8dc1a01dc9649702eca30c065b215bec3a4f3

21231495 as geometric shapes

Circle

Radius = n
Diameter 42462990
Circumference 133401417.43346
Area 1.4161557636157E+15

Sphere

Radius = n
Volume 4.0089472019237E+22
Surface area 5.6646230544627E+15
Circumference 133401417.43346

Square

Length = n
Perimeter 84925980
Area 450776379935025
Diagonal 30025868.178457

Cube

Length = n
Surface area 2704658279610150
Volume 9.5706564567086E+21
Space diagonal 36774028.060645

Equilateral Triangle

Length = n
Perimeter 63694485
Area 1.9519189822486E+14
Altitude 18387014.030322

Triangular Pyramid

Length = n
Surface area 1.9519189822486E+14
Volume 1.1279126801576E+21
Height 10008622.726152