21542371 (number)

21542371 is an odd 8-digits composite number following 21542370 and preceding 21542372. In scientific notation, it is written as 2.1542371 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20408544 positive integers (up to 21542371) that are relatively prime to 21542371.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand three hundred seventy-one

Notation

Scientific notation 2.1542371 × 10^7
Engineering notation 2.1542371 × 10^6

Prime Factorization of 21542371

Prime Factorization 19 × 1133809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542371
Product of the distinct prime numbers

The prime factorization of 21542371 is 19 × 1133809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542371)

Multiplication

n×y
n×2 43084742
n×3 64627113
n×4 86169484
n×5 107711855

Division

n÷y
n÷2 10771185.5
n÷3 7180790.3333333
n÷3 5385592.75
n÷5 4308474.2

Exponentiation

ny
n2 464073748301641
n3 9.9972488572746E+21
n4 2.1536444386273E+29
n5 4.6394607498997E+36

Nth Root

y√n
2√n 4641.3759813228
3√n 278.24743338266
4√n 68.12764476571
5√n 29.285908435999

Divisors of 21542371

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542370
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542371 can be divided by 4 positive divisors. The sum of these divisors (counting 21542371) is 1, the average is 0.25.

Base conversion 21542371

Base System Value
2 Binary 1010010001011010111100011
3 Ternary 1111112110120121
4 Quaternary 1102023113203
5 Quinary 21003323441
6 Senary 2045421111
8 Octal 122132743
10 Decimal 21542371
12 Duodecimal 726a797
16 Hexadecimal 148b5e3
20 Vigesimal 6ecfib
36 Base36 ctq77

Cryptographic Hash Functions

md5 5109deeaf5b1302bb5a600e4a12fed27
sha1 1da8075919f11b215c1d22cb7728ba27b62048c6
sha256 7977b3ed9b4a7cb5073da426642b774ec3ca3796fc53a415ad1d133493391bd5
sha512 23d131cb622e6ee18c8c873aba4aa52260a40d31e726eb1f3f14fa61ee923abe55748cef7dc38c775062b8cc1846ae846dfe71879ee55221d83f57076de2412d
ripemd-160 f111384de4f1d8e96cbe9fb272ebc551a92e6086

21542371 as geometric shapes

Circle

Radius = n
Diameter 43084742
Circumference 135354708.94901
Area 1.4579306783883E+15

Sphere

Radius = n
Volume 4.1876378088164E+22
Surface area 5.8317227135533E+15
Circumference 135354708.94901

Square

Length = n
Perimeter 86169484
Area 464073748301641
Diagonal 30465513.233873

Cube

Length = n
Surface area 2784442489809846
Volume 9.9972488572746E+21
Space diagonal 37312481.087498

Equilateral Triangle

Length = n
Perimeter 64627113
Area 2.0094982762934E+14
Altitude 18656240.543749

Triangular Pyramid

Length = n
Surface area 2.0094982762934E+14
Volume 1.1781870766981E+21
Height 10155171.077958