21861608 (number)

21861608 is an even 8-digits composite number following 21861607 and preceding 21861609. In scientific notation, it is written as 2.1861608 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 8 positive divisors. There are 10930800 positive integers (up to 21861608) that are relatively prime to 21861608.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand six hundred eight

Notation

Scientific notation 2.1861608 × 10^7
Engineering notation 2.1861608 × 10^6

Prime Factorization of 21861608

Prime Factorization 2 × 2 × 2 × 2732701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5465402
Product of the distinct prime numbers

The prime factorization of 21861608 is 2 × 2 × 2 × 2732701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861608)

Multiplication

n×y
n×2 43723216
n×3 65584824
n×4 87446432
n×5 109308040

Division

n÷y
n÷2 10930804
n÷3 7287202.6666667
n÷3 5465402
n÷5 4372321.6

Exponentiation

ny
n2 477929904345664
n3 1.0448316220282E+22
n4 2.2841699346786E+29
n5 4.9935627717328E+36

Nth Root

y√n
2√n 4675.6398492613
3√n 279.61515155615
4√n 68.378650537001
5√n 29.372196200166

Divisors of 21861608

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 -21861607
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 21861608 can be divided by 8 positive divisors. The sum of these divisors (counting 21861608) is 1, the average is 0.125.

Base conversion 21861608

Base System Value
2 Binary 1010011011001010011101000
3 Ternary 1112010200111012
4 Quaternary 1103121103220
5 Quinary 21044032413
6 Senary 2100323052
8 Octal 123312350
10 Decimal 21861608
12 Duodecimal 73a3488
16 Hexadecimal 14d94e8
20 Vigesimal 6gce08
36 Base36 d0kiw

Cryptographic Hash Functions

md5 8c0f1e45b56ed19922b1e54b8ea66c6c
sha1 cc143ff54d12336ffcdbe82117379efe89ce4c2c
sha256 d69bf7b1c34168e818c2d8bdf398a2f7185bb9c169cfce5ddc06e038e39acee1
sha512 0ed6ae491ed12d4a0cc6c5c0a4951541f7330bf579fb677cee827bf2ae9c2b24e41d170c1976a588307fd5cf5dbc3bf971e967a135fb1d95b584959d3c276237
ripemd-160 8ec35d1456d3f802857fe3c4a108849df66f3412

21861608 as geometric shapes

Circle

Radius = n
Diameter 43723216
Circumference 137360534.17692
Area 1.5014610764232E+15

Sphere

Radius = n
Volume 4.376580464003E+22
Surface area 6.0058443056928E+15
Circumference 137360534.17692

Square

Length = n
Perimeter 87446432
Area 477929904345664
Diagonal 30916982.528884

Cube

Length = n
Surface area 2867579426073984
Volume 1.0448316220282E+22
Space diagonal 37865415.791154

Equilateral Triangle

Length = n
Perimeter 65584824
Area 2.0694971919581E+14
Altitude 18932707.895577

Triangular Pyramid

Length = n
Surface area 2.0694971919581E+14
Volume 1.2313458752238E+21
Height 10305660.842961