21078780 (number)

21078780 is an even 8-digits composite number following 21078779 and preceding 21078781. In scientific notation, it is written as 2.1078780 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 5548608 positive integers (up to 21078780) that are relatively prime to 21078780.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1078780 × 10^7
Engineering notation 2.1078780 × 10^6

Prime Factorization of 21078780

Prime Factorization 2 × 2 × 3 × 5 × 79 × 4447

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10539390
Product of the distinct prime numbers

The prime factorization of 21078780 is 2 × 2 × 3 × 5 × 79 × 4447. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 10, 59, 25, 225, 151, 8702, 6261, 5565, 46436, 198969, 938543, 3701159, 921788, 21713808, 76021796, 523663003, 692561502, 4064146051, 5945171376

Basic calculations (n = 21078780)

Multiplication

n×y
n×2 42157560
n×3 63236340
n×4 84315120
n×5 105393900

Division

n÷y
n÷2 10539390
n÷3 7026260
n÷3 5269695
n÷5 4215756

Exponentiation

ny
n2 444314966288400
n3 9.3656174251006E+21
n4 1.9741578926786E+29
n5 4.1612839905036E+36

Nth Root

y√n
2√n 4591.1632512905
3√n 276.23698402396
4√n 67.758123138783
5√n 29.158762881153

Divisors of 21078780

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4447, 4740, 8894, 13341, 17788, 22235, 26682, 44470, 53364, 66705, 88940, 133410, 266820, 351313, 702626, 1053939, 1405252, 1756565, 2107878, 3513130, 4215756, 5269695, 7026260, 10539390, 21078780

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21078779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21078780 can be divided by 48 positive divisors. The sum of these divisors (counting 21078780) is 1, the average is 0.020833333333333.

Base conversion 21078780

Base System Value
2 Binary 1010000011010001011111100
3 Ternary 1110122220122120
4 Quaternary 1100122023330
5 Quinary 20344010110
6 Senary 2031442540
8 Octal 120321374
10 Decimal 21078780
12 Duodecimal 7086450
16 Hexadecimal 141a2fc
20 Vigesimal 6begj0
36 Base36 cjsho

Cryptographic Hash Functions

md5 9c433ef22d027b77481b228d0b8bbd00
sha1 fe80980eac0237b8430b478007544d0b9e358004
sha256 2297f57e9b1889e6b481e9ad59f99d3a77c9cc861140a1c3a442dde447bd6ee7
sha512 6c13cdb34e189777a9e313bdde728a9af88f4a8f3545a9d4d20532f01271277217baea912fa4cdf9213670b2635d2c87a115cf7bc6a69965a01a79e21a0d344a
ripemd-160 d47d90f078997a2299e3a2000e8e0ff95960745d

21078780 as geometric shapes

Circle

Radius = n
Diameter 42157560
Circumference 132441880.78927
Area 1.3958566339716E+15

Sphere

Radius = n
Volume 3.9230606532038E+22
Surface area 5.5834265358865E+15
Circumference 132441880.78927

Square

Length = n
Perimeter 84315120
Area 444314966288400
Diagonal 29809896.554279

Cube

Length = n
Surface area 2665889797730400
Volume 9.3656174251006E+21
Space diagonal 36509517.921567

Equilateral Triangle

Length = n
Perimeter 63236340
Area 1.9239402404369E+14
Altitude 18254758.960783

Triangular Pyramid

Length = n
Surface area 1.9239402404369E+14
Volume 1.1037485985479E+21
Height 9936632.1847596