21072904 (number)

21072904 is an even 8-digits composite number following 21072903 and preceding 21072905. In scientific notation, it is written as 2.1072904 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 10523472 positive integers (up to 21072904) that are relatively prime to 21072904.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand nine hundred four

Notation

Scientific notation 2.1072904 × 10^7
Engineering notation 2.1072904 × 10^6

Prime Factorization of 21072904

Prime Factorization 2 × 2 × 2 × 1627 × 1619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5268226
Product of the distinct prime numbers

The prime factorization of 21072904 is 2 × 2 × 2 × 1627 × 1619. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 48, 60, 589, 180, 7268, 3123, 82788, 25575, 750842, 941205, 9660472, 6394695, 3038001, 98810916, 975946633, 534952108, 6416052004, 1422955285

Basic calculations (n = 21072904)

Multiplication

n×y
n×2 42145808
n×3 63218712
n×4 84291616
n×5 105364520

Division

n÷y
n÷2 10536452
n÷3 7024301.3333333
n÷3 5268226
n÷5 4214580.8

Exponentiation

ny
n2 444067282993216
n3 9.3577872240569E+21
n4 1.9719575182498E+29
n5 4.1554871474156E+36

Nth Root

y√n
2√n 4590.5232817185
3√n 276.21131335156
4√n 67.753400517749
5√n 29.157137018566

Divisors of 21072904

1, 2, 4, 8, 1619, 1627, 3238, 3254, 6476, 6508, 12952, 13016, 2634113, 5268226, 10536452, 21072904

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072904 can be divided by 16 positive divisors. The sum of these divisors (counting 21072904) is 1, the average is 0.0625.

Base conversion 21072904

Base System Value
2 Binary 1010000011000110000001000
3 Ternary 1110122121120221
4 Quaternary 1100120300020
5 Quinary 20343313104
6 Senary 2031355424
8 Octal 120306010
10 Decimal 21072904
12 Duodecimal 7082b74
16 Hexadecimal 1418c08
20 Vigesimal 6be254
36 Base36 cjnyg

Cryptographic Hash Functions

md5 c2cbddca3e6c3425f6b501226c26dead
sha1 e80ecdf424c98c4a7868845b0a5dcdb360d1457a
sha256 2900638f334d4593a73f140348a6e84bf7981b1d66824a9b76fd304360746e13
sha512 32f598652a7d4236ba0113830a4947bb85c4fcdde76aa5956a930b94f13d29411672cbfd5a6a6f0a8574419ef6ebc77162970507c065c349ad25b549236e0f5a
ripemd-160 4c5c17d2fc7abf666fb6c1882e041c9e7cbaee40

21072904 as geometric shapes

Circle

Radius = n
Diameter 42145808
Circumference 132404960.79241
Area 1.3950785139511E+15

Sphere

Radius = n
Volume 3.9197807462605E+22
Surface area 5.5803140558043E+15
Circumference 132404960.79241

Square

Length = n
Perimeter 84291616
Area 444067282993216
Diagonal 29801586.635386

Cube

Length = n
Surface area 2664403697959296
Volume 9.3577872240569E+21
Space diagonal 36499340.391021

Equilateral Triangle

Length = n
Perimeter 63218712
Area 1.9228677403083E+14
Altitude 18249670.195511

Triangular Pyramid

Length = n
Surface area 1.9228677403083E+14
Volume 1.1028258005052E+21
Height 9933862.2117954