21085412 (number)

21085412 is an even 8-digits composite number following 21085411 and preceding 21085413. In scientific notation, it is written as 2.1085412 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 10257696 positive integers (up to 21085412) that are relatively prime to 21085412.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand four hundred twelve

Notation

Scientific notation 2.1085412 × 10^7
Engineering notation 2.1085412 × 10^6

Prime Factorization of 21085412

Prime Factorization 2 × 2 × 37 × 142469

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10542706
Product of the distinct prime numbers

The prime factorization of 21085412 is 2 × 2 × 37 × 142469. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 63, 42, 592, 780, 3918, 2566, 45606, 59439, 871570, 875924, 8519778, 7900200, 56977590, 1205817, 569830885, 651933808, 9912485465, 3387718455

Basic calculations (n = 21085412)

Multiplication

n×y
n×2 42170824
n×3 63256236
n×4 84341648
n×5 105427060

Division

n÷y
n÷2 10542706
n÷3 7028470.6666667
n÷3 5271353
n÷5 4217082.4

Exponentiation

ny
n2 444594599209744
n3 9.3744602973123E+21
n4 1.9766435764647E+29
n5 4.1678344186912E+36

Nth Root

y√n
2√n 4591.885451533
3√n 276.26595172794
4√n 67.763452181341
5√n 29.160597490013

Divisors of 21085412

1, 2, 4, 37, 74, 148, 142469, 284938, 569876, 5271353, 10542706, 21085412

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085411
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085412 can be divided by 12 positive divisors. The sum of these divisors (counting 21085412) is 1, the average is 0.083333333333333.

Base conversion 21085412

Base System Value
2 Binary 1010000011011110011100100
3 Ternary 1110200020202012
4 Quaternary 1100123303210
5 Quinary 20344213122
6 Senary 2031533352
8 Octal 120336344
10 Decimal 21085412
12 Duodecimal 708a258
16 Hexadecimal 141bce4
20 Vigesimal 6bfdac
36 Base36 cjxlw

Cryptographic Hash Functions

md5 abf3e5a22c15c89b64a4e4ba3956246e
sha1 bc8306cafd5f88f947a22c59d916a5a8dd823257
sha256 a1b2d276cb93b5017f7c8597f81fb7abcb6193c8665ca99213886e8da24efcd5
sha512 fe137fc54afee04183c0905c5ce2329d7527a93dae71eccffea069c21685631a5680541ef8e5d8869540d08d795e9e1893aefdcf42792879df575e33c03939a6
ripemd-160 685725f87cecddc9194228b8139931d0c7d45c04

21085412 as geometric shapes

Circle

Radius = n
Diameter 42170824
Circumference 132483550.87423
Area 1.396735126703E+15

Sphere

Radius = n
Volume 3.9267647468541E+22
Surface area 5.5869405068121E+15
Circumference 132483550.87423

Square

Length = n
Perimeter 84341648
Area 444594599209744
Diagonal 29819275.618624

Cube

Length = n
Surface area 2667567595258464
Volume 9.3744602973123E+21
Space diagonal 36521004.882522

Equilateral Triangle

Length = n
Perimeter 63256236
Area 1.925151086505E+14
Altitude 18260502.441261

Triangular Pyramid

Length = n
Surface area 1.925151086505E+14
Volume 1.1047907410323E+21
Height 9939758.5395415