21351 (number)

21351 is an odd 5-digits composite number following 21350 and preceding 21352. In scientific notation, it is written as 2.1351 × 10^4. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 12920 positive integers (up to 21351) that are relatively prime to 21351.

Interesting facts

Basic properties

Name

Name twenty-one thousand three hundred fifty-one

Notation

Scientific notation 2.1351 × 10^4
Engineering notation 2.1351 × 10^3

Prime Factorization of 21351

Prime Factorization 3 × 11 × 647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21351
Product of the distinct prime numbers

The prime factorization of 21351 is 3 × 11 × 647. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 51, 38, 941, 304, 1127, 464, 8228, 6936, 411113, 136508, 7587090, 6124266, 50776083, 80119417, 654419419, 413011583, 6170748027, 5384130859

Basic calculations (n = 21351)

Multiplication

n×y
n×2 42702
n×3 64053
n×4 85404
n×5 106755

Division

n÷y
n÷2 10675.5
n÷3 7117
n÷3 5337.75
n÷5 4270.2

Exponentiation

ny
n2 455865201
n3 9733177906551
n4 207813081482770401
n5 4.4370171027386E+21

Nth Root

y√n
2√n 146.11981385151
3√n 27.742104725731
4√n 12.088002889291
5√n 7.3431710404643

Divisors of 21351

1, 3, 11, 33, 647, 1941, 7117, 21351

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 -21350
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 21351 can be divided by 8 positive divisors. The sum of these divisors (counting 21351) is 1, the average is 0.125.

Base conversion 21351

Base System Value
2 Binary 101001101100111
3 Ternary 1002021210
4 Quaternary 11031213
5 Quinary 1140401
6 Senary 242503
8 Octal 51547
10 Decimal 21351
12 Duodecimal 10433
16 Hexadecimal 5367
20 Vigesimal 2d7b
36 Base36 gh3

Cryptographic Hash Functions

md5 b780214f2ff6ab83e4d9d392922925ce
sha1 fbe0cd2fd295c3b2ec3b5b6fba3146b262971dd0
sha256 d07289819a0f8fb7cef49e692dfebddf19d87d64d93e58aee596f566a9b0a4b4
sha512 196bf918280699a8bdc44b195aaf2fb15b528ea3735f7a62db3ba9ae9c4ef250586cc7fcf2c685fbda874a4a6fb8ada7164b1dbe2a1468222a3fd2dbc9c5c335
ripemd-160 ffefd96cc27165fcb1a4b700dc7549b71cb92b91

21351 as geometric shapes

Circle

Radius = n
Diameter 42702
Circumference 134152.28949359
Area 1432142766.4888

Sphere

Radius = n
Volume 40770240276404
Surface area 5728571065.9553
Circumference 134152.28949359

Square

Length = n
Perimeter 85404
Area 455865201
Diagonal 30194.873770228

Cube

Length = n
Surface area 2735191206
Volume 9733177906551
Space diagonal 36981.016792403

Equilateral Triangle

Length = n
Perimeter 64053
Area 197395422.38365
Altitude 18490.508396202

Triangular Pyramid

Length = n
Surface area 197395422.38365
Volume 1147066016702.9
Height 10064.957923409