21271838 (number)

21271838 is an even 8-digits composite number following 21271837 and preceding 21271839. In scientific notation, it is written as 2.1271838 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 9116496 positive integers (up to 21271838) that are relatively prime to 21271838.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-one thousand eight hundred thirty-eight

Notation

Scientific notation 2.1271838 × 10^7
Engineering notation 2.1271838 × 10^6

Prime Factorization of 21271838

Prime Factorization 2 × 7 × 1519417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21271838
Product of the distinct prime numbers

The prime factorization of 21271838 is 2 × 7 × 1519417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21271838)

Multiplication

n×y
n×2 42543676
n×3 63815514
n×4 85087352
n×5 106359190

Division

n÷y
n÷2 10635919
n÷3 7090612.6666667
n÷3 5317959.5
n÷5 4254367.6

Exponentiation

ny
n2 452491091898244
n3 9.6253172033026E+21
n4 2.0474818824727E+29
n5 4.3553702911893E+36

Nth Root

y√n
2√n 4612.1402840764
3√n 277.07776275131
4√n 67.912740219169
5√n 29.211980588292

Divisors of 21271838

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271838 can be divided by 8 positive divisors. The sum of these divisors (counting 21271838) is 1, the average is 0.125.

Base conversion 21271838

Base System Value
2 Binary 1010001001001010100011110
3 Ternary 1111000201110212
4 Quaternary 1101021110132
5 Quinary 20421144323
6 Senary 2035532422
8 Octal 121112436
10 Decimal 21271838
12 Duodecimal 715a112
16 Hexadecimal 144951e
20 Vigesimal 6cijbi
36 Base36 cnxge

Cryptographic Hash Functions

md5 9d57acad062da2378d45cb6dfae9b65c
sha1 49d94b54b4af9265535b2e29e0505c0692494021
sha256 30bc6566737f0656af0a19b4edb364452598861e732816bd3bda5356731601fc
sha512 9ef1185ec4711dca5a6202f28f0f6765789cd401d7ec24fbf54104d69d539aa367d11f43310b9e5ed3ce8f69ec3c1d308063824ff3c9fe18d4ea803358c8b034
ripemd-160 13369dd1762a1d71be6d116d2550de4b3614af65

21271838 as geometric shapes

Circle

Radius = n
Diameter 42543676
Circumference 133654899.9783
Area 1.4215426901223E+15

Sphere

Radius = n
Volume 4.0318434419156E+22
Surface area 5.6861707604894E+15
Circumference 133654899.9783

Square

Length = n
Perimeter 85087352
Area 452491091898244
Diagonal 30082921.796203

Cube

Length = n
Surface area 2714946551389464
Volume 9.6253172033026E+21
Space diagonal 36843904.186374

Equilateral Triangle

Length = n
Perimeter 63815514
Area 1.9593439028502E+14
Altitude 18421952.093187

Triangular Pyramid

Length = n
Surface area 1.9593439028502E+14
Volume 1.1343545109211E+21
Height 10027640.598734