21081712 (number)

21081712 is an even 8-digits composite number following 21081711 and preceding 21081713. In scientific notation, it is written as 2.1081712 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 10144512 positive integers (up to 21081712) that are relatively prime to 21081712.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081712 × 10^7
Engineering notation 2.1081712 × 10^6

Prime Factorization of 21081712

Prime Factorization 2 × 2 × 2 × 2 × 37 × 149 × 239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2635214
Product of the distinct prime numbers

The prime factorization of 21081712 is 2 × 2 × 2 × 2 × 37 × 149 × 239. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 8, 77, 17, 194, 337, 6271, 346, 25303, 13283, 281709, 281086, 2129594, 4438866, 13362436, 78430864, 918980506, 140582052, 9302546578, 1148374389

Basic calculations (n = 21081712)

Multiplication

n×y
n×2 42163424
n×3 63245136
n×4 84326848
n×5 105408560

Division

n÷y
n÷2 10540856
n÷3 7027237.3333333
n÷3 5270428
n÷5 4216342.4

Exponentiation

ny
n2 444438580850944
n3 9.3695261631883E+21
n4 1.975256521488E+29
n5 4.1641789112132E+36

Nth Root

y√n
2√n 4591.4825492427
3√n 276.24979136366
4√n 67.76047925777
5√n 29.159574016678

Divisors of 21081712

1, 2, 4, 8, 16, 37, 74, 148, 149, 239, 296, 298, 478, 592, 596, 956, 1192, 1912, 2384, 3824, 5513, 8843, 11026, 17686, 22052, 35372, 35611, 44104, 70744, 71222, 88208, 141488, 142444, 284888, 569776, 1317607, 2635214, 5270428, 10540856, 21081712

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081712 can be divided by 40 positive divisors. The sum of these divisors (counting 21081712) is 1, the average is 0.025.

Base conversion 21081712

Base System Value
2 Binary 1010000011010111001110000
3 Ternary 1110200001200011
4 Quaternary 1100122321300
5 Quinary 20344103322
6 Senary 2031504304
8 Octal 120327160
10 Decimal 21081712
12 Duodecimal 7088094
16 Hexadecimal 141ae70
20 Vigesimal 6bf45c
36 Base36 cjur4

Cryptographic Hash Functions

md5 0987d94f59c39619d423c4d333c3a503
sha1 6de956a47d11a1d925e01bab606cebf76ec919e3
sha256 6aa4a7b7349d57e9c32d05b1ecd4a574a2a8808d254e1369dd913f333cc2294d
sha512 0bb0d3ed6d3f80a63a207dec39451a95516aaf02faf81596142a136bbe73c2d2f5e6aec261d36af7bf6fe863057a7652e57df69ef854d37c355f884e56e16dbe
ripemd-160 c9e41d20a8a630e8d6e7214c4bf12f1e0b2049fe

21081712 as geometric shapes

Circle

Radius = n
Diameter 42163424
Circumference 132460303.08859
Area 1.3962449805732E+15

Sphere

Radius = n
Volume 3.9246979415853E+22
Surface area 5.5849799222928E+15
Circumference 132460303.08859

Square

Length = n
Perimeter 84326848
Area 444438580850944
Diagonal 29814043.028444

Cube

Length = n
Surface area 2666631485105664
Volume 9.3695261631883E+21
Space diagonal 36514596.294534

Equilateral Triangle

Length = n
Perimeter 63245136
Area 1.9244755071941E+14
Altitude 18257298.147267

Triangular Pyramid

Length = n
Surface area 1.9244755071941E+14
Volume 1.1042092477492E+21
Height 9938014.3428145