21542687 (number)

21542687 is an odd 8-digits prime number following 21542686 and preceding 21542688. In scientific notation, it is written as 2.1542687 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21542686 positive integers (up to 21542687) that are relatively prime to 21542687.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand six hundred eighty-seven

Notation

Scientific notation 2.1542687 × 10^7
Engineering notation 2.1542687 × 10^6

Prime Factorization of 21542687

Prime Factorization 21542687

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21542687
Product of the distinct prime numbers

The prime factorization of 21542687 is 21542687. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542687)

Multiplication

n×y
n×2 43085374
n×3 64628061
n×4 86170748
n×5 107713435

Division

n÷y
n÷2 10771343.5
n÷3 7180895.6666667
n÷3 5385671.75
n÷5 4308537.4

Exponentiation

ny
n2 464087363179969
n3 9.9976888056414E+21
n4 2.1537708066334E+29
n5 4.639801035704E+36

Nth Root

y√n
2√n 4641.4100228271
3√n 278.24879389151
4√n 68.127894601456
5√n 29.285994353123

Divisors of 21542687

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21542688
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10771344
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4641.410130553
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999071611
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542687 can be divided by 2 positive divisors. The sum of these divisors (counting 21542687) is 21542688, the average is 10771344.

Base conversion 21542687

Base System Value
2 Binary 1010010001011011100011111
3 Ternary 1111112111000022
4 Quaternary 1102023130133
5 Quinary 21003331222
6 Senary 2045422355
8 Octal 122133437
10 Decimal 21542687
12 Duodecimal 726a9bb
16 Hexadecimal 148b71f
20 Vigesimal 6ecge7
36 Base36 ctqfz

Cryptographic Hash Functions

md5 5d273eaf362627f59215ca1d34b580cc
sha1 954ac03edc30b255e3f29f7c3a3f6899ed82cc0e
sha256 ddfbf8449e25014f54daab70046ec48bda9e04fea7cb11ecc3bd7194b186af2f
sha512 47ee8a2e92720b10a805851be1172f8335f313f0ada5a25ddbb1299a3981b80eb2d999e9e12c2d38dd71e027ff573be1d67b33afea7e04dfb2345656a63f76f7
ripemd-160 19e1c088756b88ae08ba5e200230e0514a4918a0

21542687 as geometric shapes

Circle

Radius = n
Diameter 43085374
Circumference 135356694.43557
Area 1.45797345079E+15

Sphere

Radius = n
Volume 4.1878220939573E+22
Surface area 5.8318938031602E+15
Circumference 135356694.43557

Square

Length = n
Perimeter 86170748
Area 464087363179969
Diagonal 30465960.125359

Cube

Length = n
Surface area 2784524179079814
Volume 9.9976888056414E+21
Space diagonal 37313028.415554

Equilateral Triangle

Length = n
Perimeter 64628061
Area 2.0095572304459E+14
Altitude 18656514.207777

Triangular Pyramid

Length = n
Surface area 2.0095572304459E+14
Volume 1.1782389251103E+21
Height 10155320.041786