21081708 (number)

21081708 is an even 8-digits composite number following 21081707 and preceding 21081709. In scientific notation, it is written as 2.1081708 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 6557760 positive integers (up to 21081708) that are relatively prime to 21081708.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand seven hundred eight

Notation

Scientific notation 2.1081708 × 10^7
Engineering notation 2.1081708 × 10^6

Prime Factorization of 21081708

Prime Factorization 2 × 2 × 3 × 3 × 621 × 23 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3513618
Product of the distinct prime numbers

The prime factorization of 21081708 is 2 × 2 × 3 × 3 × 621 × 23 × 41. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 8, 62, 62, 933, 4, 8608, 930, 10405, 73674, 487540, 754954, 8644124, 9364552, 68575658, 94762340, 639729302, 69314435, 905302711, 283584922

Basic calculations (n = 21081708)

Multiplication

n×y
n×2 42163416
n×3 63245124
n×4 84326832
n×5 105408540

Division

n÷y
n÷2 10540854
n÷3 7027236
n÷3 5270427
n÷5 4216341.6

Exponentiation

ny
n2 444438412197264
n3 9.3695208299264E+21
n4 1.9752550223643E+29
n5 4.1641749607017E+36

Nth Root

y√n
2√n 4591.4821136535
3√n 276.24977389197
4√n 67.760476043587
5√n 29.159572910142

Divisors of 21081708

1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 621, 738, 828, 943, 1242, 1476, 1863, 1886, 2484, 2829, 3726, 3772, 5589, 5658, 7452, 8487, 11178, 11316, 14283, 16974, 22356, 25461, 28566, 33948, 42849, 50922, 57132, 76383, 85698, 101844, 128547, 152766, 171396, 229149, 257094, 305532, 458298, 514188, 585603, 916596, 1171206, 1756809, 2342412, 3513618, 5270427, 7027236, 10540854, 21081708

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081707
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081708 can be divided by 72 positive divisors. The sum of these divisors (counting 21081708) is 1, the average is 0.013888888888889.

Base conversion 21081708

Base System Value
2 Binary 1010000011010111001101100
3 Ternary 1110200001200000
4 Quaternary 1100122321230
5 Quinary 20344103313
6 Senary 2031504300
8 Octal 120327154
10 Decimal 21081708
12 Duodecimal 7088090
16 Hexadecimal 141ae6c
20 Vigesimal 6bf458
36 Base36 cjur0

Cryptographic Hash Functions

md5 abe88ab95c4cc258ef250280f0584be6
sha1 24934c0b2d1374707cedeaf471b11835ced50630
sha256 0a04d4193a23956a3b828c81f3b7b138885b3aecb6252863fd4db3b2b63903ec
sha512 6d12af9a420c81d281e453a371ab04a7b739a86dd7d6b76c18ad8cf132e00e18f08b3f5297e4975dcc0c09f634ab5ad35be9438c2de07f1585a4232127b1a5f2
ripemd-160 61f5bd9112d0c05937179c04f5b382bd6821e610

21081708 as geometric shapes

Circle

Radius = n
Diameter 42163416
Circumference 132460277.95585
Area 1.396244450732E+15

Sphere

Radius = n
Volume 3.9246957075938E+22
Surface area 5.5849778029281E+15
Circumference 132460277.95585

Square

Length = n
Perimeter 84326832
Area 444438412197264
Diagonal 29814037.371589

Cube

Length = n
Surface area 2666630473183584
Volume 9.3695208299264E+21
Space diagonal 36514589.366331

Equilateral Triangle

Length = n
Perimeter 63245124
Area 1.9244747769023E+14
Altitude 18257294.683166

Triangular Pyramid

Length = n
Surface area 1.9244747769023E+14
Volume 1.1042086192183E+21
Height 9938012.4571965