21081710 (number)

21081710 is an even 8-digits composite number following 21081709 and preceding 21081711. In scientific notation, it is written as 2.1081710 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 7741440 positive integers (up to 21081710) that are relatively prime to 21081710.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081710 × 10^7
Engineering notation 2.1081710 × 10^6

Prime Factorization of 21081710

Prime Factorization 2 × 5 × 13 × 257 × 631

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21081710
Product of the distinct prime numbers

The prime factorization of 21081710 is 2 × 5 × 13 × 257 × 631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 95, 53, 205, 597, 2228, 3205, 61263, 27737, 436021, 577462, 135274, 3019121, 72411459, 98228496, 573314562, 218001346, 9470825227, 2847403515

Basic calculations (n = 21081710)

Multiplication

n×y
n×2 42163420
n×3 63245130
n×4 84326840
n×5 105408550

Division

n÷y
n÷2 10540855
n÷3 7027236.6666667
n÷3 5270427.5
n÷5 4216342

Exponentiation

ny
n2 444438496524100
n3 9.3695234965571E+21
n4 1.975255771926E+29
n5 4.1641769359571E+36

Nth Root

y√n
2√n 4591.4823314481
3√n 276.24978262781
4√n 67.760477650678
5√n 29.15957346341

Divisors of 21081710

1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 631, 1262, 1285, 2570, 3155, 3341, 6310, 6682, 8203, 16406, 16705, 33410, 41015, 82030, 162167, 324334, 810835, 1621670, 2108171, 4216342, 10540855, 21081710

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 -21081709
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 21081710 can be divided by 32 positive divisors. The sum of these divisors (counting 21081710) is 1, the average is 0.03125.

Base conversion 21081710

Base System Value
2 Binary 1010000011010111001101110
3 Ternary 1110200001200002
4 Quaternary 1100122321232
5 Quinary 20344103320
6 Senary 2031504302
8 Octal 120327156
10 Decimal 21081710
12 Duodecimal 7088092
16 Hexadecimal 141ae6e
20 Vigesimal 6bf45a
36 Base36 cjur2

Cryptographic Hash Functions

md5 1c35e7fcf432f8eb5dbcca2055d1455c
sha1 cfb1436f1826b90b0df4b82db8d9a5c091ec8042
sha256 f5ba42907af8c6cfdbec419bb3bda58067f49cc4373908b5f07c7a940a2804b2
sha512 311bbab5c2959f4d7525bcf533f72d7955f4c8a4af5d91d7b3848593084794bc6f9c7021cb7a3b9952f55f4ad4dbc0e0e92710052cf73313e1f849dbaf6ec0de
ripemd-160 5933dc67cf075ffee2d16e991adc410d35f7cf1d

21081710 as geometric shapes

Circle

Radius = n
Diameter 42163420
Circumference 132460290.52222
Area 1.3962447156526E+15

Sphere

Radius = n
Volume 3.9246968245894E+22
Surface area 5.5849788626104E+15
Circumference 132460290.52222

Square

Length = n
Perimeter 84326840
Area 444438496524100
Diagonal 29814040.200017

Cube

Length = n
Surface area 2666630979144600
Volume 9.3695234965571E+21
Space diagonal 36514592.830433

Equilateral Triangle

Length = n
Perimeter 63245130
Area 1.9244751420482E+14
Altitude 18257296.415216

Triangular Pyramid

Length = n
Surface area 1.9244751420482E+14
Volume 1.1042089334837E+21
Height 9938013.4000055