20781072 (number)

20781072 is an even 8-digits composite number following 20781071 and preceding 20781073. In scientific notation, it is written as 2.0781072 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 6008832 positive integers (up to 20781072) that are relatively prime to 20781072.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand seventy-two

Notation

Scientific notation 2.0781072 × 10^7
Engineering notation 2.0781072 × 10^6

Prime Factorization of 20781072

Prime Factorization 2 × 2 × 2 × 2 × 13 × 9 × 17 × 653

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2597634
Product of the distinct prime numbers

The prime factorization of 20781072 is 2 × 2 × 2 × 2 × 13 × 9 × 17 × 653. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 7, 29, 26, 849, 269, 3916, 5615, 88642, 12290, 167192, 897629, 9673488, 901632, 23754546, 58112033, 263714526, 822125148, 5285052760, 7092698128

Basic calculations (n = 20781072)

Multiplication

n×y
n×2 41562144
n×3 62343216
n×4 83124288
n×5 103905360

Division

n÷y
n÷2 10390536
n÷3 6927024
n÷3 5195268
n÷5 4156214.4

Exponentiation

ny
n2 431852953469184
n3 8.9743673194558E+21
n4 1.8649697342006E+29
n5 3.8756070324243E+36

Nth Root

y√n
2√n 4558.6261088183
3√n 274.9303272531
4√n 67.517598511931
5√n 29.075928311804

Divisors of 20781072

1, 2, 4, 8, 9, 13, 16, 17, 18, 26, 34, 36, 52, 68, 72, 104, 117, 136, 144, 153, 208, 221, 234, 272, 306, 442, 468, 612, 653, 884, 936, 1224, 1306, 1768, 1872, 1989, 2448, 2612, 3536, 3978, 5224, 5877, 7956, 8489, 10448, 11101, 11754, 15912, 16978, 22202, 23508, 31824, 33956, 44404, 47016, 67912, 76401, 88808, 94032, 99909, 135824, 144313, 152802, 177616, 199818, 288626, 305604, 399636, 577252, 611208, 799272, 1154504, 1222416, 1298817, 1598544, 2309008, 2597634, 5195268, 10390536, 20781072

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781072 can be divided by 80 positive divisors. The sum of these divisors (counting 20781072) is 1, the average is 0.0125.

Base conversion 20781072

Base System Value
2 Binary 1001111010001100000010000
3 Ternary 1110002210021100
4 Quaternary 1033101200100
5 Quinary 20304443242
6 Senary 2021224400
8 Octal 117214020
10 Decimal 20781072
12 Duodecimal 6b62100
16 Hexadecimal 13d1810
20 Vigesimal 69hcdc
36 Base36 cdes0

Cryptographic Hash Functions

md5 2a1c7e7cfd9bf79e4bd0cb06b6ff6550
sha1 851b54d6477173129b30e3d7ede3a0f9e466721f
sha256 f77b268664abdaf5ffb0b641995af01ade32f476180eb500ee09d2241d2eea48
sha512 d78213b2450d71ee2f6421996ea3aabb7128e5333c55e99bb3029851797c1821e059c1f35254e091597280dcefcf2ead22b701e691f5d02e522c4d22626371a3
ripemd-160 50f587d966b1714f1014dac57b522e1d0e98d22b

20781072 as geometric shapes

Circle

Radius = n
Diameter 41562144
Circumference 130571326.25784
Area 1.3567060660498E+15

Sphere

Radius = n
Volume 3.7591741921891E+22
Surface area 5.4268242641994E+15
Circumference 130571326.25784

Square

Length = n
Perimeter 83124288
Area 431852953469184
Diagonal 29388873.863052

Cube

Length = n
Surface area 2591117720815104
Volume 8.9743673194558E+21
Space diagonal 35993872.539747

Equilateral Triangle

Length = n
Perimeter 62343216
Area 1.8699781420183E+14
Altitude 17996936.269873

Triangular Pyramid

Length = n
Surface area 1.8699781420183E+14
Volume 1.0576393314077E+21
Height 9796291.2876839