21371855 (number)

21371855 is an odd 8-digits composite number following 21371854 and preceding 21371856. In scientific notation, it is written as 2.1371855 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17008128 positive integers (up to 21371855) that are relatively prime to 21371855.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand eight hundred fifty-five

Notation

Scientific notation 2.1371855 × 10^7
Engineering notation 2.1371855 × 10^6

Prime Factorization of 21371855

Prime Factorization 5 × 193 × 22147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21371855
Product of the distinct prime numbers

The prime factorization of 21371855 is 5 × 193 × 22147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371855)

Multiplication

n×y
n×2 42743710
n×3 64115565
n×4 85487420
n×5 106859275

Division

n÷y
n÷2 10685927.5
n÷3 7123951.6666667
n÷3 5342963.75
n÷5 4274371

Exponentiation

ny
n2 456756186141025
n3 9.761726980559E+21
n4 2.0862621357809E+29
n5 4.4587291857901E+36

Nth Root

y√n
2√n 4622.9703654685
3√n 277.51134331252
4√n 67.992428736356
5√n 29.239399142016

Divisors of 21371855

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 -21371854
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 21371855 can be divided by 8 positive divisors. The sum of these divisors (counting 21371855) is 1, the average is 0.125.

Base conversion 21371855

Base System Value
2 Binary 1010001100001101111001111
3 Ternary 1111012210200012
4 Quaternary 1101201233033
5 Quinary 20432344410
6 Senary 2042023435
8 Octal 121415717
10 Decimal 21371855
12 Duodecimal 71a7b7b
16 Hexadecimal 1461bcf
20 Vigesimal 6db9cf
36 Base36 cq2mn

Cryptographic Hash Functions

md5 927adc20e369aed5534ed5e8a5499586
sha1 5d56944c93cc67b5bb92fb737882ceb112544636
sha256 9a3ffcfdd14102c11818ebaa15f19036146281ccefca26b004d2c7fc06acc411
sha512 c70b4dc048fd621bad6d578189bd4f4a1f892657e4479def31b6961a1577963e42928c7e7d75e33942684a0065d0e71926767d050c7b73b000a690d3bf45f1ce
ripemd-160 909ec5686d7952bd38f7a6ebc6da05be4db116bf

21371855 as geometric shapes

Circle

Radius = n
Diameter 42743710
Circumference 134283325.32317
Area 1.4349418788623E+15

Sphere

Radius = n
Volume 4.0889826357965E+22
Surface area 5.7397675154493E+15
Circumference 134283325.32317

Square

Length = n
Perimeter 85487420
Area 456756186141025
Diagonal 30224367.194071

Cube

Length = n
Surface area 2740537116846150
Volume 9.761726980559E+21
Space diagonal 37017138.711995

Equilateral Triangle

Length = n
Perimeter 64115565
Area 1.9778123026691E+14
Altitude 18508569.355997

Triangular Pyramid

Length = n
Surface area 1.9778123026691E+14
Volume 1.1504305573408E+21
Height 10074789.06469