21542078 (number)

21542078 is an even 8-digits composite number following 21542077 and preceding 21542079. In scientific notation, it is written as 2.1542078 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10771038 positive integers (up to 21542078) that are relatively prime to 21542078.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542078 × 10^7
Engineering notation 2.1542078 × 10^6

Prime Factorization of 21542078

Prime Factorization 2 × 10771039

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542078
Product of the distinct prime numbers

The prime factorization of 21542078 is 2 × 10771039. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542078)

Multiplication

n×y
n×2 43084156
n×3 64626234
n×4 86168312
n×5 107710390

Division

n÷y
n÷2 10771039
n÷3 7180692.6666667
n÷3 5385519.5
n÷5 4308415.6

Exponentiation

ny
n2 464061124558084
n3 9.996840941998E+21
n4 2.1535272732611E+29
n5 4.6391452495719E+36

Nth Root

y√n
2√n 4641.3444172998
3√n 278.2461718863
4√n 68.127413111756
5√n 29.285828771436

Divisors of 21542078

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 -21542077
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 21542078 can be divided by 4 positive divisors. The sum of these divisors (counting 21542078) is 1, the average is 0.25.

Base conversion 21542078

Base System Value
2 Binary 1010010001011010010111110
3 Ternary 1111112110011202
4 Quaternary 1102023102332
5 Quinary 21003321303
6 Senary 2045415502
8 Octal 122132276
10 Decimal 21542078
12 Duodecimal 726a592
16 Hexadecimal 148b4be
20 Vigesimal 6ecf3i
36 Base36 ctpz2

Cryptographic Hash Functions

md5 66f542023012c02c80af028bb3db7d54
sha1 f831f32d3444fa8241043979d71153f73d36a7c8
sha256 1f6842531b9016d870012da504a0d81b9baaa68ec0185574a3a1de8d0257cbd1
sha512 789946b472dec347eb25a57a992ea45064b937d17dc3c2ca446c69f98c76166b3790b94b2db087883340dd343e21844bc4fde2c961fb532091f6f091791dd4e6
ripemd-160 9ec752ed6331d549f69d49148b0d565571e1095f

21542078 as geometric shapes

Circle

Radius = n
Diameter 43084156
Circumference 135352867.97572
Area 1.4578910197283E+15

Sphere

Radius = n
Volume 4.1874669416649E+22
Surface area 5.8315640789132E+15
Circumference 135352867.97572

Square

Length = n
Perimeter 86168312
Area 464061124558084
Diagonal 30465098.869299

Cube

Length = n
Surface area 2784366747348504
Volume 9.996840941998E+21
Space diagonal 37311973.596612

Equilateral Triangle

Length = n
Perimeter 64626234
Area 2.0094436138804E+14
Altitude 18655986.798306

Triangular Pyramid

Length = n
Surface area 2.0094436138804E+14
Volume 1.1781390034217E+21
Height 10155032.956433