21347891 (number)

21347891 is an odd 8-digits composite number following 21347890 and preceding 21347892. In scientific notation, it is written as 2.1347891 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 20973160 positive integers (up to 21347891) that are relatively prime to 21347891.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-seven thousand eight hundred ninety-one

Notation

Scientific notation 2.1347891 × 10^7
Engineering notation 2.1347891 × 10^6

Prime Factorization of 21347891

Prime Factorization 107 × 131 × 1523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21347891
Product of the distinct prime numbers

The prime factorization of 21347891 is 107 × 131 × 1523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21347891)

Multiplication

n×y
n×2 42695782
n×3 64043673
n×4 85391564
n×5 106739455

Division

n÷y
n÷2 10673945.5
n÷3 7115963.6666667
n÷3 5336972.75
n÷5 4269578.2

Exponentiation

ny
n2 455732450147881
n3 9.7289266709199E+21
n4 2.0769206611779E+29
n5 4.4337875890474E+36

Nth Root

y√n
2√n 4620.3777984057
3√n 277.40758116043
4√n 67.973360946813
5√n 29.232839042819

Divisors of 21347891

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 -21347890
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 21347891 can be divided by 8 positive divisors. The sum of these divisors (counting 21347891) is 1, the average is 0.125.

Base conversion 21347891

Base System Value
2 Binary 1010001011011111000110011
3 Ternary 1111011120210122
4 Quaternary 1101123320303
5 Quinary 20431113031
6 Senary 2041320455
8 Octal 121337063
10 Decimal 21347891
12 Duodecimal 719612b
16 Hexadecimal 145be33
20 Vigesimal 6d89eb
36 Base36 cpk4z

Cryptographic Hash Functions

md5 8f580cee5171838ded562623ebae5c06
sha1 e71233486a02c1d14d1067fcac4ce27833fa243b
sha256 a05b1027ed0f57fc1000ae0bc154f586b733d26590d9aea363e99827e3688229
sha512 e7415adb348a7696dbd08d9a25aa20aded41e4dda0013377afea3905b1f8bf886017a1c424ffafcea2e1c311ec374cae4c567a097a69cfb6f7e99855fb9f039e
ripemd-160 6c0a7cea141c099a8c875c1551136e6075aefd38

21347891 as geometric shapes

Circle

Radius = n
Diameter 42695782
Circumference 134132755.07047
Area 1.4317257173871E+15

Sphere

Radius = n
Volume 4.0752432742234E+22
Surface area 5.7269028695482E+15
Circumference 134132755.07047

Square

Length = n
Perimeter 85391564
Area 455732450147881
Diagonal 30190476.980263

Cube

Length = n
Surface area 2734394700887286
Volume 9.7289266709199E+21
Space diagonal 36975631.846442

Equilateral Triangle

Length = n
Perimeter 64043673
Area 1.973379395785E+14
Altitude 18487815.923221

Triangular Pyramid

Length = n
Surface area 1.973379395785E+14
Volume 1.146565003779E+21
Height 10063492.326754