21071808 (number)

21071808 is an even 8-digits composite number following 21071807 and preceding 21071809. In scientific notation, it is written as 2.1071808 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 42 positive divisors. There are 7023744 positive integers (up to 21071808) that are relatively prime to 21071808.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-one thousand eight hundred eight

Notation

Scientific notation 2.1071808 × 10^7
Engineering notation 2.1071808 × 10^6

Prime Factorization of 21071808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 219498
Product of the distinct prime numbers

The prime factorization of 21071808 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36583. Since it has a total of 9 prime factors.

Most popular turbo-numbers

1, 2, 89, 28, 343, 781, 8928, 649, 76917, 38242, 443039, 683624, 5055821, 2575431, 52425318, 26258846, 653051431, 795648254, 105630601, 8061087751

Basic calculations (n = 21071808)

Multiplication

n×y
n×2 42143616
n×3 63215424
n×4 84287232
n×5 105359040

Division

n÷y
n÷2 10535904
n÷3 7023936
n÷3 5267952
n÷5 4214361.6

Exponentiation

ny
n2 444021092388864
n3 9.3563272067684E+21
n4 1.971547304862E+29
n5 4.154406627097E+36

Nth Root

y√n
2√n 4590.4039037976
3√n 276.20652469266
4√n 67.752519538373
5√n 29.156833720198

Divisors of 21071808

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 36583, 73166, 109749, 146332, 219498, 292664, 329247, 438996, 585328, 658494, 877992, 1170656, 1316988, 1755984, 2341312, 2633976, 3511968, 5267952, 7023936, 10535904, 21071808

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21071807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21071808 can be divided by 42 positive divisors. The sum of these divisors (counting 21071808) is 1, the average is 0.023809523809524.

Base conversion 21071808

Base System Value
2 Binary 1010000011000011111000000
3 Ternary 1110122120002100
4 Quaternary 1100120133000
5 Quinary 20343244213
6 Senary 2031350400
8 Octal 120303700
10 Decimal 21071808
12 Duodecimal 7082400
16 Hexadecimal 14187c0
20 Vigesimal 6bdja8
36 Base36 cjn40

Cryptographic Hash Functions

md5 a3ae35e1ca0f1ac23a9d5a26445c3225
sha1 910d26d8a8bcb585c3a1dbacd2cc745a062e8336
sha256 89a84a97b1353a10ad43ad72ff3019c8e0d4c5945051c864be440ffd6af02e50
sha512 bd2bedfa11d8e40fade6dd90f62b85d37a1ea06541c3b1969933348b1c24ba135a623636270eabe9e544f737074d85e29d4236affb885e9f54b3beed2a51feaa
ripemd-160 526614a4cb44160b97f6f54a8d7797491f581280

21071808 as geometric shapes

Circle

Radius = n
Diameter 42143616
Circumference 132398074.42131
Area 1.3949334018878E+15

Sphere

Radius = n
Volume 3.9191691756488E+22
Surface area 5.5797336075511E+15
Circumference 132398074.42131

Square

Length = n
Perimeter 84287232
Area 444021092388864
Diagonal 29800036.657322

Cube

Length = n
Surface area 2664126554333184
Volume 9.3563272067684E+21
Space diagonal 36497442.063336

Equilateral Triangle

Length = n
Perimeter 63215424
Area 1.9226677291244E+14
Altitude 18248721.031668

Triangular Pyramid

Length = n
Surface area 1.9226677291244E+14
Volume 1.1026537358177E+21
Height 9933345.5524406