21860145 (number)

21860145 is an odd 8-digits composite number following 21860144 and preceding 21860146. In scientific notation, it is written as 2.1860145 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 11584512 positive integers (up to 21860145) that are relatively prime to 21860145.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty thousand one hundred forty-five

Notation

Scientific notation 2.1860145 × 10^7
Engineering notation 2.1860145 × 10^6

Prime Factorization of 21860145

Prime Factorization 5 × 3 × 9 × 193 × 839

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21860145
Product of the distinct prime numbers

The prime factorization of 21860145 is 5 × 3 × 9 × 193 × 839. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 95, 71, 573, 574, 7075, 319, 47481, 83727, 925506, 291723, 999766, 9529361, 67547878, 32465351, 716311706, 877534296, 2812336452, 9419665370

Basic calculations (n = 21860145)

Multiplication

n×y
n×2 43720290
n×3 65580435
n×4 87440580
n×5 109300725

Division

n÷y
n÷2 10930072.5
n÷3 7286715
n÷3 5465036.25
n÷5 4372029

Exponentiation

ny
n2 477865939421025
n3 1.0446218726305E+22
n4 2.2835585605874E+29
n5 4.9918921250432E+36

Nth Root

y√n
2√n 4675.4833974681
3√n 279.60891404467
4√n 68.377506516896
5√n 29.371803066474

Divisors of 21860145

1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 839, 965, 1737, 2517, 2895, 4195, 5211, 7551, 8685, 12585, 22653, 26055, 37755, 113265, 161927, 485781, 809635, 1457343, 2428905, 4372029, 7286715, 21860145

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21860144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21860145 can be divided by 32 positive divisors. The sum of these divisors (counting 21860145) is 1, the average is 0.03125.

Base conversion 21860145

Base System Value
2 Binary 1010011011000111100110001
3 Ternary 1112010121111000
4 Quaternary 1103120330301
5 Quinary 21044011040
6 Senary 2100312213
8 Octal 123307461
10 Decimal 21860145
12 Duodecimal 73a2669
16 Hexadecimal 14d8f31
20 Vigesimal 6gca75
36 Base36 d0je9

Cryptographic Hash Functions

md5 952cd3f8611d84e36362b560767f7846
sha1 7ff3076b27efc60ccc5bc28581f6a3b855fd3d50
sha256 bd217e02f8ab491d35158d89a5d34a01a49e5f530f1b5ddd447c0f1e7c529382
sha512 9e31ce9f38e81b0b0bc2a46fb1546e4342064cda65e22273140f3d8a18c31e125aa3dc2d001f5ddd58fd92c4859d2c24e2709c14f4f292052ca93b328879d8c2
ripemd-160 65fb60568b7eab3d43d1889d3c43c87b1c9c92c9

21860145 as geometric shapes

Circle

Radius = n
Diameter 43720290
Circumference 137351341.87682
Area 1.5012601246859E+15

Sphere

Radius = n
Volume 4.3757018677802E+22
Surface area 6.0050404987435E+15
Circumference 137351341.87682

Square

Length = n
Perimeter 87440580
Area 477865939421025
Diagonal 30914913.534442

Cube

Length = n
Surface area 2867195636526150
Volume 1.0446218726305E+22
Space diagonal 37862881.800823

Equilateral Triangle

Length = n
Perimeter 65580435
Area 2.0692202157096E+14
Altitude 18931440.900411

Triangular Pyramid

Length = n
Surface area 2.0692202157096E+14
Volume 1.231098683188E+21
Height 10304971.178147