21291252 (number)

21291252 is an even 8-digits composite number following 21291251 and preceding 21291253. In scientific notation, it is written as 2.1291252 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 7097080 positive integers (up to 21291252) that are relatively prime to 21291252.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred fifty-two

Notation

Scientific notation 2.1291252 × 10^7
Engineering notation 2.1291252 × 10^6

Prime Factorization of 21291252

Prime Factorization 2 × 2 × 3 × 1774271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10645626
Product of the distinct prime numbers

The prime factorization of 21291252 is 2 × 2 × 3 × 1774271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291252)

Multiplication

n×y
n×2 42582504
n×3 63873756
n×4 85165008
n×5 106456260

Division

n÷y
n÷2 10645626
n÷3 7097084
n÷3 5322813
n÷5 4258250.4

Exponentiation

ny
n2 453317411727504
n3 9.651695249078E+21
n4 2.0549667577532E+29
n5 4.3752815090947E+36

Nth Root

y√n
2√n 4614.2444668656
3√n 277.16202991015
4√n 67.92823026449
5√n 29.217310776199

Divisors of 21291252

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 -21291251
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 21291252 can be divided by 12 positive divisors. The sum of these divisors (counting 21291252) is 1, the average is 0.083333333333333.

Base conversion 21291252

Base System Value
2 Binary 1010001001110000011110100
3 Ternary 1111001201002220
4 Quaternary 1101032003310
5 Quinary 20422310002
6 Senary 2040202340
8 Octal 121160364
10 Decimal 21291252
12 Duodecimal 71693b0
16 Hexadecimal 144e0f4
20 Vigesimal 6d182c
36 Base36 cocfo

Cryptographic Hash Functions

md5 3df3f78b432704a8b436004cbbfd8924
sha1 109473d4d74e6396e694dd8114363617f7115fc2
sha256 56a7f69c69e9c4184f713a0ce67d25400c013f50453335f96d2e3817ad47ddb3
sha512 671304b5c449fb7c6369115d2e495bc6f3b1d59dd6db828bfe23ea08809a777e44b85d89a420741402c5c790f4aa0a54ac13f103e761054258c0a8f7f93e695d
ripemd-160 8b3356cd36af71dafe5ac88355bcc61f69a49795

21291252 as geometric shapes

Circle

Radius = n
Diameter 42582504
Circumference 133776881.73786
Area 1.4241386504275E+15

Sphere

Radius = n
Volume 4.0428926518921E+22
Surface area 5.6965546017099E+15
Circumference 133776881.73786

Square

Length = n
Perimeter 85165008
Area 453317411727504
Diagonal 30110377.338303

Cube

Length = n
Surface area 2719904470365024
Volume 9.651695249078E+21
Space diagonal 36877530.220752

Equilateral Triangle

Length = n
Perimeter 63873756
Area 1.9629219726691E+14
Altitude 18438765.110376

Triangular Pyramid

Length = n
Surface area 1.9629219726691E+14
Volume 1.1374631934282E+21
Height 10036792.446101