21531636 (number)

21531636 is an even 8-digits composite number following 21531635 and preceding 21531637. In scientific notation, it is written as 2.1531636 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 5824224 positive integers (up to 21531636) that are relatively prime to 21531636.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand six hundred thirty-six

Notation

Scientific notation 2.1531636 × 10^7
Engineering notation 2.1531636 × 10^6

Prime Factorization of 21531636

Prime Factorization 2 × 2 × 399 × 9 × 1499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10765818
Product of the distinct prime numbers

The prime factorization of 21531636 is 2 × 2 × 399 × 9 × 1499. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 22, 43, 849, 702, 8536, 4145, 73305, 30791, 492084, 702608, 2179366, 6602892, 19976445, 79653730, 216977100, 237688099, 4904697129, 5207737384

Basic calculations (n = 21531636)

Multiplication

n×y
n×2 43063272
n×3 64594908
n×4 86126544
n×5 107658180

Division

n÷y
n÷2 10765818
n÷3 7177212
n÷3 5382909
n÷5 4306327.2

Exponentiation

ny
n2 463611348836496
n3 9.9823108086165E+21
n4 2.1493548277E+29
n5 4.6279125784878E+36

Nth Root

y√n
2√n 4640.219391365
3√n 278.20120692515
4√n 68.119155832739
5√n 29.282989101712

Divisors of 21531636

1, 2, 4, 9, 18, 36, 399, 798, 1499, 1596, 2998, 3591, 5996, 7182, 13491, 14364, 26982, 53964, 598101, 1196202, 2392404, 5382909, 10765818, 21531636

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21531635
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531636 can be divided by 24 positive divisors. The sum of these divisors (counting 21531636) is 1, the average is 0.041666666666667.

Base conversion 21531636

Base System Value
2 Binary 1010010001000101111110100
3 Ternary 1111111220212000
4 Quaternary 1102020233310
5 Quinary 21003003021
6 Senary 2045255300
8 Octal 122105764
10 Decimal 21531636
12 Duodecimal 7264530
16 Hexadecimal 1488bf4
20 Vigesimal 6eb91g
36 Base36 cthx0

Cryptographic Hash Functions

md5 663e8b6b2e6466c4094892066729fab9
sha1 e0062e5d8012d4eb77dfdae3a369b1b9fc777d90
sha256 23a2f5d0e2152d09e588e3a30082115ebdd60da54d76c28d0d84926aa8c72083
sha512 085ef30c6b7edfefd1812e8e0d7a6cf3477e5d22548485d154ef9a4425bc69b983c1671fefbe424325eee9be6e5e0bb4fa356468e531129441e8681a4599f3fe
ripemd-160 5fa34c82f3e1fe89277989cdded1404cc403b2bc

21531636 as geometric shapes

Circle

Radius = n
Diameter 43063272
Circumference 135287258.95474
Area 1.4564780076256E+15

Sphere

Radius = n
Volume 4.1813805736266E+22
Surface area 5.8259120305024E+15
Circumference 135287258.95474

Square

Length = n
Perimeter 86126544
Area 463611348836496
Diagonal 30450331.651281

Cube

Length = n
Surface area 2781668093018976
Volume 9.9823108086165E+21
Space diagonal 37293887.522079

Equilateral Triangle

Length = n
Perimeter 64594908
Area 2.0074960278759E+14
Altitude 18646943.76104

Triangular Pyramid

Length = n
Surface area 2.0074960278759E+14
Volume 1.1764266107807E+21
Height 10150110.550427